Tapio Lokki's publications

Theses
International Journal Articles
Book Chapters
International Conference Articles
International Other Media
Technical Reports and Other Texts
Patents
National Journal and Conference Articles
Invited Talks and Presentations
Due to copyright policies of scientific publishers, most of the papers below are only available from the publisher's repository or by request from the author. * Copyright Acoustical Society of America. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the Acoustical Society of America.

Theses

International Journal Articles

  1. Riionheimo, J. and Lokki, T., "Spatial sound - Exploring the impact of listening room on sound character," Journal of the Audio Engineering Society, vol. xx, no. x, pp. xxx-xxx, 2024. [DOI]
  2. Riionheimo, J. and Lokki, T., "Spatial sound - Exploring the impact of listening room on perceptual immersion," Journal of the Audio Engineering Society, vol. xx, no. x, pp. xxx-xxx, 2024. [DOI]
  3. Meyer-Kahlen, N., Amengual Garí, S., Schlecht, S. J., and Lokki, T., "Testing auditory illusions in augmented reality: Plausibility, transfer-plausibility and authenticity," Journal of the Audio Engineering Society, vol. xx, no. x, pp. xxx-xxx, 2024. [DOI]
  4. Hofmann, A., Meyer-Kahlen, N., Schlecht, S. J., and Lokki, T., "Audiovisual congruence in virtual reality: Effect of visual realism and relation to localization accuracy," Journal of the Audio Engineering Society, vol. 72, no. 10, pp. 679-690, 2024. [DOI]
  5. Cucharero, J., Awais, M., Valkonen, M., Kammiovirta, K., Rautkari, L., Lokki, T., and Hänninen, T., "Influence of moisture on the sound absorption properties of wood-based pulp fibre foams," Materials Today Sustainability, vol. 27, paper 100854, 2024. [Online (DOI)]
  6. Meyer, J., Tahvanainen, H., Saarelma, J., and Lokki, T., "Investigation of the seat-dip effect using finite-difference time-domain simulations," Journal of the Acoustical Society of America, vol. 154, no. 3, pp. 1628-1639, 2023. [DOI][Online*]
  7. Lachenmayr, W., Meyer-Kahlen, N., Gomez, O. C., Kuusinen, A., and Lokki, T., "Chamber music hall acoustics: Measurements and perceptual differences," Journal of the Acoustical Society of America, vol. 154, no. 1, pp. 388-400, 2023. [DOI (Open Access)]
  8. Somervuo, P., Lauha, P., and Lokki, T., "Effects of landscape and distance in automatic audio based bird species identification," Journal of the Acoustical Society of America, vol. 154, no. 1, pp. 245-254, 2023. [DOI]
  9. Meyer-Kahlen, N., Kastema, M., Schlecht, S. J., and Lokki, T., "Measuring motion-to-sound latency in virtual acoustic rendering systems," Journal of the Audio Engineering Society, vol. 71, no. 6, pp. 390-398, 2023. [Online (AES)]
  10. Zou, F., Cucharero, J., Dong, Y., Kangas, P., Zhu, Y., Kaskirinne, J., Girish, C.T., Hänninen, T., Lokki, T., Hailong, L., and Vapaavuori, J. "Maximizing sound absorption, thermal insulation, and mechanical strength of anisotropic pectin cryogels," Chemical Engineering Journal, vol. 462, article 142236, 2023. [DOI (Open Access)]
  11. Budtova, T. Lokki, T., Malakooti, S., Rege, A., Lu, H., Milow, B., Vapaavuori, J., and Vivod, S.L., "Acoustic Properties of Aerogels: Current Status and Prospects," Advanced Engineering Materials, vol. 25, n. 6, paper 2201137, 2023. [DOI (Open Access)]
  12. Valkonen, M., Cucharero, J., Lokki, T., Rautkari, L., and Hänninen, T., "Preparation of fully bio-based sound absorbers from waste wood and pulp fibers by foam forming," BioResources, vol. 18, no. 2, pp. 2657-2669, 2023. [Online]
  13. Meyer, J., Lokki, T., and Ahrens, J., "Perceptual detection thresholds for numerical dispersion in binaural auralizations of two acoustically different rooms," Journal of the Acoustical Society of America, vol. 152, no. 4, pp. 2266-2276, October 2022. [DOI][Online]
  14. Benito-Conzález, B, Cucharero, J., Al Haj, Y., Hänninen, T., Lokki, T., Martínez-Sanz, M., López-Rubio, A., Martínez-Abad, A., and Vapaavuori, J. "Waste biomass valorisation for the development of sustainable cellulosic aerogels and their sound absorption properties," Advanced Sustainable Systems, article 2200248, 2022. [DOI (Open Access)]
  15. Meyer-Kahlen, N., Schlecht, S. J., and Lokki, T., "Clearly audible room acoustical differences may not reveal where you are in a room," Journal of the Acoustical Society of America, vol. 152, no. 8, pp. 877-887, 2022. [DOI (Open Access)]
  16. McCormack, L., Politis, A., Gonzalez, R., Lokki, T., and Pulkki, V. "Parametric ambisonic encoding of arbitrary microphone arrays," IEEE/ACM Transactions on Audio, Speech, and Language Processing, vol. 30, pp. 2062-2075, 2022. [DOI]
  17. Gonzalez, R., McKenzie, T., Politis, A., and Lokki, T., "Near-field evaluation of reproducible speech sources," Journal of the Audio Engineering Society, vol. 70, no. 7/8, pp. 621-633, 2022. [DOI]
  18. Li, Y., Meyer, J., Lokki, T., Cuenca, J., Atak, O., and Desmet, W., "Benchmarking of finite-difference time-domain method and fast multipole boundary element method for room acoustics," Applied Acoustics, vol. 191, paper 108662, 2022. [DOI]
  19. Meyer-Kahlen, N., Schlecht, S. J., and Lokki, T., "Perceptual roughness of spatially assigned sparse noise for rendering reverberation," Journal of the Acoustical Society of America, vol. 150, no. 5, pp. 3521-3531, 2021. [DOI (Open Access)]
  20. Jaatinen, J., Pätynen, J. and Lokki, T., "Uncertainty in tuning evaluation with low-register complex tones of orchestra instruments," Acta Acustica, vol. 5, article 49, 2021. [DOI (Open Access)]
  21. Cucharero, J., Hänninen, T., Makkonen, M., and Lokki, T., "Acoustic coatings -- a discreet way to control acoustic environment," Frontiers in Built Environment, vol. 7, article 665332, 2021. [DOI (Open Access)]
  22. Puomio, O., Meyer-Kahlen, N., and Lokki, T., "Locating image sources from multiple spatial room impulse responses," MDPI Applied Sciences, vol. 11, no. 6, paper 2485, March 2021. [DOI (Open Access)]
  23. Cucharero, J., Ceccherini, S., Maloney, T., Lokki, T., and Hänninen, T., "Sound absorption properties of wood-based pulp fibre foams," Cellulose, vol. 28, no. 7, pp. 4267-4279, 2021. [DOI (Open Access)]
  24. Riionheimo, J. and Lokki, T., "Movie sound, Part 2: Preference and attribute ratings of six listening environments," Journal of the Audio Engineering Society, vol. 69, no. 1/2, pp. 68-79, 2021. [Online (Open Access)]
  25. Riionheimo, J. and Lokki, T., "Movie sound, Part 1: Perceptual differences of six listening environments," Journal of the Audio Engineering Society, vol. 69, no. 1/2, pp. 54-67, 2021. [Online (Open Access)]
  26. Kuusinen, A., Saariniemi, E., Sivonen, V., Dietz, A., Aarnisalo, A.A., and Lokki, T., "An exploratory investigation of speech recognition thresholds in noise with auralizations of two reverberant rooms," International Journal of Audiology, vol. 60, no. 3, pp. 210-219, 2021. [DOI (Open Access)]
  27. Lokki, T., McLeod, L, and Kuusinen, A., "Perception of loudness and envelopment for different orchestral dynamics," Journal of the Acoustical Society of America, vol. 148, no. 4, pp. 2137-2145, 2020. [DOI][Online*][Erratum (Corrected Fig. for objective parameters.)]
  28. Cucharero, J., Hänninen, T., and Lokki, T., "Angle dependent absorption of sound on porous materials," MDPI Acoustics, vol. 2, no. 4, pp. 753-765, 2020. [DOI (Open Access)]
  29. Tahvanainen, H., Lokki, T., Jang, H.-S., and Jeon, J.-Y., "Investigating the influence of seating area design and enclosure on the seat-dip effect using scale model measurements," Acta Acustica, vol. 4, no. 4, Article 15, 2020. [Online (open access)]
  30. Kuusinen, A. and Lokki, T., "Recognizing individual concert halls is difficult when listening to the acoustics with different musical passages," Journal of the Acoustical Society of America, vol. 148, no. 3, pp. 1380-1390, 2020. [DOI][Online*][Erratum (Corrected Fig. for objective parameters.)]
  31. Lokki, T. and Pätynen, J., "Objective analysis of the dynamic responsiveness of concert halls," Acoustical Science and Technology, vol. 41, no. 1, pp. 253-259, January 2020. [Online]
  32. Kaplanis, N., Bech, S., Lokki, T., van Waterschoot, T., and Holdt Jensen, S., "Perception and preference of reverberation in small listening rooms for multi-loudspeaker reproduction," Journal of the Acoustical Society of America, vol. 146, no. 5, pp. 3562-3576, November 2019. [DOI][Online*]
  33. Cucharero, J., Hänninen, T., and Lokki, T., "Influence of sound absorbing material placement on room acoustics," MDPI Acoustics, vol. 1, no. 3, pp. 644-660, August 2019. [DOI (Open Access)]
  34. Azad, H., Meyer, J., Siebein, G., and Lokki, T., "The effects of adding pyramidal and convex diffusers on room acoustic parameters in a small non-diffuse room," MDPI Acoustics, vol. 1, no. 3, pp. 618-643, August 2019. [DOI (Open Access)]
  35. Lokki, T. and Pätynen, J., "Architectural features that make music bloom in concert halls," MDPI Acoustics, vol. 1, no. 2, pp. 439-449, May 2019. [DOI (Open Access)]
  36. Haapaniemi, A. and Lokki, T., "Direct-to-reverberant ratio threshold for localization in concert halls," Acta Acustica united with Acustica, vol. 104, no. 6, pp. 1091-1029, 2018. [DOI][Online]
  37. Puomio, O., Pätynen, J., and Lokki, T., "Optimization of virtual loudspeakers for spatial room acoustics reproduction with headphone," MDPI Applied Sciences, vol. 7, no. 12, paper 1282, December 2017. [DOI (Open Access)]
  38. Séménou, M., Courcoux, Ph., Kuusinen, A., and Lokki, T., "Segmentation of subjects in multivariate paired comparisons. Application to the preference for concert halls acoustics," Food Quality and Preference, vol. 62, pp. 120-127, December 2017. [DOI]
  39. Tahvanainen, H., Haapaniemi, A., and Lokki, T., "Perceptual significance of seat-dip effect related direct sound coloration in concert halls," Journal of the Acoustical Society of America, vol. 141, no. 3, pp. 1560-1570, March 2017. [DOI][Online*]
  40. Kaplanis, N., Bech, S., Tervo, S., Pätynen, J., Lokki, T., van Waterschoot, T., and Holdt Jensen, S., "Perceptual aspects of reproduced sound in car cabin acoustics," Journal of the Acoustical Society of America, vol. 141, no. 3, pp. 1459-1469, March 2017. [DOI][Online*]
  41. Kuusinen, A. and Lokki, T., "Wheel of concert hall acoustics," Acta Acustica united with Acustica, vol. 103, no. 2, pp. 185-188, 2017. [DOI][Online].
  42. Kaplanis, N., Bech, S., Tervo, S., Pätynen, J., Lokki, T., van Waterschoot, T., and Holdt Jensen, S., "A rapid sensory analysis method for perceptual assessment of automotive audio," Journal of the Audio Engineering Society, vol. 65, no. 1/2, pp. 130-146, 2017. [Online (AES)]
  43. Amengual, S. V., Pätynen, J., and Lokki, T., "Physical and perceptual comparison of real and focused sound sources in a concert hall," Journal of the Audio Engineering Society, vol. 64, no. 12, pp. 1014-1025, 2016. [Online (AES)]
  44. Pätynen, J. and Lokki, T., "Perception of music dynamics in concert hall acoustics," Journal of the Acoustical Society of America, vol. 140, no. 5, pp. 3787-3798. 2016. [DOI][Online*]
  45. Lokki, T., Pätynen, J., Kuusinen, A., and Tervo, S., "Concert hall acoustics: Repertoire, listening position and individual taste of the listeners influence the qualitative attributes and preferences," Journal of the Acoustical Society of America, vol. 140, no. 1, pp. 551-562, July 2016. [DOI][Online*]
  46. Pätynen, J. and Lokki, T., "Concert halls with strong and lateral sound increase the emotional impact of orchestra music," Journal of the Acoustical Society of America, vol. 139, no. 3, pp. 1214-1224, 2016. [Online (AIP), open access]
  47. Albrecht, R., Väänänen, R., and Lokki, T., "Guided by music: pedestrian and cyclist navigation with route and beacon guidance," Personal and Ubiquitous Computing, vol. 20, nr. 1, pp. 121-145, 2016. [Online (Springer)]
  48. Tervo, S., Pätynen, J., Kaplanis, N., Bech, S., Lydolf, M., and Lokki, T., "Spatial analysis and synthesis of car audio system and car cabin acoustics with a compact microphone array," Journal of the Audio Engineering Society, vol. 63, no. 11, pp. 914-925, 2015. [Online (AES)]
  49. Kuusinen, A. and Lokki, T., "Investigation of auditory distance perception and preferences in concert halls by using virtual acoustics," Journal of the Acoustical Society of America, vol. 138, no. 5, pp. 3148-3159, 2015. [Online (AIP)]
  50. Tahvanainen, H., Pätynen, J., and Lokki, T., "Analysis of the seat-dip effect in twelve European concert halls," Acta Acustica united with Acustica, vol. 101, no. 4, pp. 731-742, 2015. [DOI][Online]
  51. Haapaniemi, A. and Lokki, T.,"The preferred level balance between direct, early and late sound in concert halls," Psychomusicology: Music, Mind, and Brain, vol. 25, no. 3, pp. 306-316, 2015. [DOI][Online]
  52. Tahvanainen, H., Pätynen, J., and Lokki, T.,"Studies on the perception of bass in four concert halls," Psychomusicology: Music, Mind, and Brain, vol. 25, no. 3, pp. 294-305, 2015. [DOI][Online]
  53. Pätynen, J. and Lokki, T., "The acoustics of vineyard halls, is it so great after all?," Acoustics Australia, vol. 43, no. 1, pp. 33-39, 2015. [Online (Springer)]
  54. Albrecht, R. and Lokki, T., "Auditory distance presentation in an urban augmented-reality environment," ACM Transactions on Applied Perception, vol. 12, nr. 2, pp. 5:1-5:19, March 2015. [Online (ACM)]
  55. Lokki, T. and Pätynen, J., "The acoustics of a concert hall -- as a linear problem," Europhysics News, vol. 46, no. 1, pp. 15-18, 2015 [Online]
  56. Rinne T., Ala-Salomäki H., Stecker G.C., Pätynen J., and Lokki, T., "Processing of spatial sounds in human auditory cortex during visual, discrimination and 2-back tasks," Frontiers in Neuroscience, 8:220, 2014. [Online]
  57. Tervo, S., Laukkanen, P., Pätynen, J., and Lokki, T., "Preference of critical listening environment among sound engineers," Journal of the Audio Engineering Society, vol. 62, no. 5, pp. 300-314, 2014. [Online (AES)] [Listen to interactive demo]
  58. Siltanen, S., Robinson, P. W., Saarelma, J., Pätynen, J., Tervo, S., Savioja, L., and Lokki, T.,"Acoustic visualizations using surface mapping," Journal of the Acoustical Society of America, vol. 135, no. 6, pp. EL344-EL349, 2014. [Online (AIP)]
  59. Haapaniemi, A. and Lokki, T.,"Identifying concert halls from source presence vs room presence," Journal of the Acoustical Society of America, vol. 135, no. 6, pp. EL311-EL317, 2014. [Online (AIP)]
  60. Pätynen, J., Tervo, S., Robinson, P. W., and Lokki, T., "Concert halls with strong lateral reflections enhance musical dynamics," Proceedings of the National Academy of Sciences of the United States of America (PNAS), vol. 111, no. 12, pp. 4409-4414, 2014. [Online (PNAS)]
  61. Robinson, P., Siltanen, S., Lokki, T., and Savioja, L., "Concert hall geometry optimization with parametric modeling tools and wave-based acoustic simulations," Journal of Building Acoustics, vol. 21, no. 1, pp. 55-64, 2014. [Online (MSP)]
  62. Lokki, T., "Tasting music like wine: Sensory evaluation of concert halls," Physics Today, vol. 67, no. 1, pp. 27-32, 2014. [Online]
  63. Kuusinen, A., Pätynen, J., Tervo, S, and Lokki, T., "Relationships between preference ratings, sensory profiles, and acoustical measurements in concert halls," Journal of the Acoustical Society of America, vol. 135, no. 1, pp. 239-250, 2014. [Online (AIP)]
  64. Robinson, P. W., Pätynen, J., Haapaniemi, A., Kuusinen, A., Leskinen, P., Zan-Bi, M., and Lokki, T.,"Design and outcomes of an acoustic data visualization seminar," Journal of the Acoustical Society of America, vol. 135, no. 1, pp. EL41-EL46, 2014. [Online (AIP)]
  65. Lokki, T., "Throw away that standard and listen: your two ears work better," Journal of Building Acoustics, vol. 20, no. 4, pp. 283-294, 2013. [Online (MSP)]
  66. Robinson, P. W., Pätynen, J., Lokki, T., Jang, H. S., Jeon, J. Y., and Xiang, N., "The role of diffusive architectural surfaces on auditory spatial discrimination in performance venues," Journal of the Acoustical Society of America, vol. 133, no. 6, pp. 3940-3950, 2013. [Online (AIP)]
  67. Kajastila, R. and Lokki, T., "Eyes-free interaction with free-hand gestures and auditory menus," International Journal of Human-Computer Studies, vol. 71, no. 5, pp. 627-640, 2013. [Online (ScienceDirect)]
  68. Robinson, P. W., Pätynen, J., and Lokki, T.,"The effect of diffuse reflections on spatial discrimination in a simulated concert hall," Journal of the Acoustical Society of America, vol. 133, no. 5, pp. EL370-EL376, 2013. [Online (AIP)]
  69. Pätynen, J., Tervo, S., and Lokki, T. "Analysis of concert hall acoustics via visualizations of time-frequency and spatiotemporal responses," Journal of the Acoustical Society of America, vol. 133, no. 2, pp. 842-857, 2013. [DOI][Online*]
  70. Tervo, S., Pätynen, J., Kuusinen, A., and Lokki, T., "Spatial decomposition method for room impulse responses," Journal of the Audio Engineering Society, vol. 61, no. 1/2, pp. 16-27, January/February 2013. [Online (AES)], [Online Matlab toolbox]
  71. Lokki, T., Southern, A., Siltanen, S., and Savioja, L., "Acoustics of Epidaurus - studies with room acoustics modelling methods," Acta Acustica united with Acustica, vol. 99, no. 1, pp. 40-47, 2013. [DOI][Online]
  72. Kajastila, R. and Lokki, T., "Combining auditory and visual menus," Acta Acustica united with Acustica, vol. 98, no. 6, pp. 945-956, November/December 2012. [DOI][Online]
  73. Lokki, T., Pätynen, J., Kuusinen, A., and Tervo, S., "Disentangling preference ratings of concert hall acoustics using subjective sensory profiles," Journal of the Acoustical Society of America, vol. 132, no. 5, pp. 3148-3161, November 2012. [DOI][Online*]
  74. Pätynen, J., Tervo, S., and Lokki, T. "Temporal differences in string bowing of symphony orchestra players," Journal of New Music Research, vol. 41, no. 3, pp. 223-237, 2012. [Online]
  75. Siltanen, S., Lokki, T., Tervo, S., and Savioja, L., "Modeling incoherent reflections from rough room surfaces with image sources," Journal of the Acoustical Society of America, vol. 131, no. 6, pp. 4606-4614, June 2012. [DOI][Online*]
  76. Tervo, S., Pätynen, J., and Lokki, T., "Acoustic reflection localization from room impulse responses," Acta Acustica united with Acustica, vol. 98, no. 3, pp. 418-440, May/June 2012. [DOI][Online]
  77. Tervo, S., Lokki, T., and Savioja, L., "Maximum likelihood estimation of loudspeaker locations from room impulse responses," Journal of the Audio Engineering Society, vol. 59, no. 11, pp. 845-857, November 2011. [Online (AES)]
  78. Pätynen, J. and Lokki, T.,"Evaluation of concert hall auralization with virtual symphony orchestra," Journal of Building Acoustics, vol. 18, no. 3-4, pp. 349-366, 2011. [Online (MSP)]
  79. Lokki, T. and Pätynen, J.,"Lateral reflections are favorable in concert halls due to binaural loudness," Journal of the Acoustical Society of America, vol. 130, no. 5, pp. EL345-EL351, November 2011. [Online (AIP)]
  80. Lokki, T., Pätynen, J., Kuusinen, A., Vertanen, H., and Tervo, S., "Concert hall acoustics assessment with individually elicited attributes," Journal of the Acoustical Society of America, vol. 130, no. 2, pp. 835-849, August 2011 [DOI][Online*]
  81. Lokki, T., Pätynen, J., Tervo, S., Siltanen, S., and Savioja, L., "Engaging concert hall acoustics is made up of temporal envelope preserving reflections," Journal of the Acoustical Society of America, vol. 129, no. 6, pp. EL223-EL228, June 2011. [Online (AIP) + Binaural demovideo + Supporting material]
  82. Tervo, S., Korhonen, T., and Lokki, T., "Estimation of Reflections from Impulse Responses," Journal of Building Acoustics, vol. 18, no. 1-2, pp. 159-174, March 2011. [Online]
  83. Pätynen, J., Katz, B.F.G., and Lokki, T., "Investigations on the balloon as an impulse source," Journal of the Acoustical Society of America, vol. 129, no. 1, pp. EL27-EL33, January 2011. [Online (AIP)]
  84. Pätynen, J. and Lokki, T., "Directivities of symphony orchestra instruments," Acta Acustica united with Acustica, vol. 96, no. 1, pp. 138-176, January/February 2010. [DOI] [Online]
  85. Vilkamo, J., Lokki, T., and Pulkki, V. "Directional audio coding: Virtual microphone based synthesis and subjective evaluation," Journal of the Audio Engineering Society, vol. 57, no. 9, pp. 709-724, September 2009. [Online (AES)]
  86. Siltanen, S., Lokki, T., and Savioja, L. "Frequency domain acoustic radiance transfer for real-time auralization," Acta Acustica united with Acustica, vol. 95, nr. 1, pp. 106-117, January/February 2009. [DOI][Online]
  87. Laine, S., Siltanen, S., Lokki, T., and Savioja, L., "Accelerated beam tracing algorithm," Applied Acoustics, vol. 70, nr. 1, pp. 172-181, January 2009. [Online (ScienceDirect)]
  88. Pätynen, J., Pulkki, V., and Lokki, T., "Anechoic recording system for symphony orchestra," Acta Acustica united with Acustica, vol. 94, nr. 6, pp. 856-865, November/December 2008. [DOI][Online]
  89. Lokki, T., Pulkki, V., and Calamia, P., "Measurement and modeling of diffraction from an edge of a thin panel," Applied Acoustics, vol. 69, nr. 9, pp. 824-832, September 2008. [Online (ScienceDirect)]
  90. Siltanen, S., Lokki, T., Savioja, L., and Christensen, C.L., "Geometry reduction in room acoustics modeling," Acta Acustica united with Acustica, vol. 94, nr. 3, pp. 410-418, May/June 2008. [DOI][Online]
  91. Siltanen, S., Lokki, T., Kiminki, S., and Savioja, L., "The room acoustic rendering equation," Journal of the Acoustical Society of America, vol. 122, nr. 3, pp. 1624-1635, 2007. [DOI][Online*]
  92. Gröhn, M., Lokki, T., and Takala, T., "Localizing sound sources in a cave-like virtual environment with loudspeaker array reproduction," Presence: Teleoperators & Virtual Environments, vol. 16, nr. 2, pp. 157-171, April 2007. [Online (MIT Press), Online (EBSCOhost)]
  93. Ilmonen, T. and Lokki, T., "Extreme Filters -- Cache-Efficient Implementation of Long IIR and FIR Filters," IEEE Signal Processing Letters, vol. 13, nr. 7, pp. 401-404, July 2006. [Online (IEEE)]
  94. Gröhn, M., Lokki, T., and Takala, T., "Comparison of auditory, visual, and audiovisual navigation in a 3D space," ACM Transactions on Applied Perception, vol. 2, nr. 4, pp. 564-570, October 2005. [Online (ACM)]
  95. Gröhn, M., Lokki, T., and Takala, T., "Author's comments on Gröhn, Lokki, and Takala, ICAD 2003," ACM Transactions on Applied Perception, vol. 2, nr. 4, pp. 571-573, October 2005.[Online (ACM)]
  96. Lokki, T. and Gröhn, M., "Navigation with auditory cues in a virtual environment," IEEE Multimedia, special issue on "Interactive Sonification", vol. 12, no. 2, pp. 80-86, April/June 2005. [Online (IEEE), complementary video examples]
  97. Lokki, T., "Subjective comparison of four concert halls based on binaural impulse responses," Acoustical Science and Technology, vol. 26, no. 2 (Special issue on Room Acoustics in honour of RADS 2004), pp. 200-203, March 2005. [Online]
  98. Härmä, A., Jakka, J., Tikander, M., Karjalainen, M, Lokki, T., Hiipakka, J., and Lorho, G., "Augmented reality audio for mobile and wearable appliances," Journal of the Audio Engineering Society, vol. 52, no. 6, pp. 618-639, June 2004. [Online (AES)]
  99. Pulkki, V. and Lokki, T., "Visualization of edge diffraction," Acoustics Research Letters Online (ARLO), vol. 4, no. 4, pp. 118-123, October 2003. [Online (AIP)]
  100. Lokki, T., Savioja, L., Väänänen, R., Huopaniemi, J., and Takala, T. "Creating Interactive Virtual Auditory Environments," IEEE Computer Graphics and Applications, special issue "Virtual Worlds, Real Sounds", vol. 22, no. 4, pp. 49-57, July/August 2002. [Online (IEEE)]
  101. Lokki, T. and Karjalainen, M. "Analysis of Room Responses, Motivated by Auditory Perception," Journal of New Music Research, vol. 31, no. 2, pp. 163-169, 2002. [Online]
  102. Savioja, L., Huopaniemi, J., Lokki, T., and Väänänen, R. "Creating Interactive Virtual Acoustic Environments," Journal of the Audio Engineering Society, vol. 47, no. 9, pp. 675-705, Sept. 1999. [Online]
  103. Lokki, T., Hiipakka, J., Hänninen, R., Ilmonen, T., Savioja, L., and Takala, T., "Real-time audiovisual rendering and contemporary audiovisual art," Organised Sound, vol. 3 no. 3, pp. 219-233, 1998. [Online (Cambridge)]

Book Chapters

  1. Lokki, T. and Pätynen, J., "Auditory spatial impression in concert halls," Chapter 7 in The Technology of Binaural Understanding, Blauert, J. and Braasch, J. (Eds.), pp. 173-202, Springer, 2020. [Online]
  2. Kuusinen, A. and Lokki, T., "Concert Hall Acoustics," Chapter 12 in Sensory Evaluation of Sound, Zacharov, N. (Ed.), 1st edition, pp. 389-410, CRC Press, December 2018.
  3. Pulkki, V., Lokki, T., and Rocchesso, D., "Spatial effects," Chapter 5 in DAFX: Digital Audio Effects, Zölzer, U. (Ed.), 2nd edition, pp. 139-184, Wiley, March 2011. [Online]
  4. Gamper, H. and Lokki, T., "Spatialisation in Audio Augmented Reality Using Finder Snaps," in "Principles and applications of spatial hearing" book (World Scientific, ISBN-10981-4313-87-4), pp. 383-392, 2011. [Online]
  5. Pulkki, V., Laitinen, M.-V., Vilkamo, J., Ahonen, J., Lokki, T., and Pihlajamäki, T. "Perception-based reproduction of spatial sound and directional audio coding," in "Principles and applications of spatial hearing" book (World Scientific, ISBN-10981-4313-87-4), pp. 324-336, 2011. [Online]
  6. Lokki, T. and Savioja, L., "Virtual acoustics," Chapter in Handbook of Signal Processing in Acoustics, Havelock, D., Kuwano, S., and Vorländer, M. (Eds.), Vol. 1, pp. 761-772, Springer. 2008. [Online]

International Conference Articles

  1. Meyer-Kahlen, N., de Las Heras, S., and Lokki, T., "Expected levels of reproduced speech," In AES 2024 International Audio for Virtual and Augmented Reality Conference, Seattle, Washington, August 19-21, 2024, paper 13. [Online]
  2. De Bortoli, G.M., Dal Santo, G., Prawda, K., Lokki, T., Välimäki, V., and Schlecht, S.J., "Differentiable active acoustics -- Optimizing stability via gradient decent," In the 27th International Conference on Digital Audio Effects (DAFx'24), Guildford, Surrey, UK, September 3-7, 2024. [Online]
  3. Yürek, A.O, Öyry, A., and Lokki, T., "Two-dimensional visualisation of a travelling sound wave over porous medium," In Internoise, Nantes, France, August 26-29, 2024. [Online]
  4. Heldman, J., Cucharero, J., and Lokki, T., "Characterization, modeling and prediction of foam-formed softwood fiber sound absorption," In Internoise, Nantes, France, August 26-29, 2024. [Online]
  5. Cucharero, J., Kammiovirta, K., Makkonen, M., Hänninen, T., and Lokki, T., "The end justifies the means -- Sprayed sound-absorbing coating on non-acoustic materials," In the Baltic-Nordic Acoustics Meeting (BNAM 2024), Espoo, Finland, May 22-24, 2024, pp. 363-370. [Online]
  6. Lokki, T. and Llado, P., "Perception of musical dynamics: orchestra spectra combined with auditory modeling," In the Elevent International Conference On Auditorium Acoustics, Athens, Greece, September 28-30, 2023. [Online]
  7. Lokki, T. and Kuusinen, A., "Placement of absorption material: DIN 18041 is misleading," In the Elevent International Conference On Auditorium Acoustics, Athens, Greece, September 28-30, 2023. [Online][Sound samples]
  8. Yürek, A.O., Heldman, J., and Lokki, T., "Bending of sound waves in the vicinity of porous materials," In Forum Acusticum, Turin, Italy, September 11-15, 2023. [Online]
  9. Cucharero, J., Ceccherini, S., Awais, M., Kammiovirta, K., Maloney, T., Rautkari, L., Lokki, T., and Hänninen, T., "Studies on the sound absorption properties of wood-based pulp fibre foams," In the 24th International Congress on Acoustics (ICA'2022), Gyeongju, Korea, October 24-28, 2022. [Online]
  10. Meyer-Kahlen, N., Amengual Garí, S., and Lokki, T., "What the spatial decomposition method can and cannot do," In the 24th International Congress on Acoustics (ICA'2022), Gyeongju, Korea, October 24-28, 2022. [Online]
  11. Gonzalez, R., Hold, C., Politis, A., and Lokki, T., "Sector-based encoding and data compression of virtual acoustic scattering," In 30th European Signal Processing Conferenrence (EUSIPCO), Belgrad, Serbia, August 29 - September 2, 2022, pp. 339-343. [Online]
  12. Li, Y., Meyer, J., Lokki, T., Cuenca, J., Atak, O., and Desmet, W., "A benchmark study on room acoustic simulations with various material inputs," In International Congress and Exposition on Noise Control Engineering (Internoise), Glasgow, UK, August 21-24, 2022. [Online]
  13. Gonzalez, R., Lokki, T., and Politis, A., "Functional modelling of scattering for diffusive geometries," In AES 2022 International Audio for Virtual and Augmented Reality Conference, Seattle, Washington, August 15-17, 2022, paper 40. [Online]
  14. Meyer-Kahlen, N., Amengual Garí, S., McKenzie, T., Schlecht, S. J., and Lokki, T., "Transfer-plausibility of binaural rendering with different real-world references," In DAGA 2022, Stuttgart, Germany, March 21-24, 2022, pp. 154-157.
  15. Colella Gomes, O., Meyer-Kahlen, N., Lachenmayr, W., and Lokki, T., "Perceptual consequences of direction and level of early reflections in a chamber music hall," In DAGA 2022, Stuttgart, Germany, March 21-24, 2022, pp. 138-141.
  16. Gonzalez, R., Politis, A., and Lokki, T., "Effects of near-field sources on ambisonics recording and playback," In the AES 151st International Convention, Online, October 20-23, 2021, Paper 10526. [Online (AES)]
  17. Meyer-Kahlen, N., Schlecht, S. J., and Lokki, T., "Parametric late reverberation from broadband directional estimates," In the International Conference on Immersive and 3D Audio (I3DA), Bologna, Italy, September 8-10, 2021. [DOI (IEEExplore)]
  18. Puomio, O. and Lokki, T., "Common image source search from multiple sound source measurements," In the International Conference on Immersive and 3D Audio (I3DA), Bologna, Italy, September 8-10, 2021. [DOI (IEEExplore)]
  19. Puomio, O., Pihlajakuja, T., and Lokki, T., "Sound rendering with early reflections extracted from a measured spatial room impulse response," In the International Conference on Immersive and 3D Audio (I3DA), Bologna, Italy, September 8-10, 2021. [DOI (IEEExplore)]
  20. Gonzalez, R., Politis, A., and Lokki, T., "Spherical decomposition of arbitrary scattering geometries for virtual acoustic environments," In the 24th International Conference on Digital Audio Effects (DAFx'21), Vienna, Austria, September 8-10, 2021, 199-205. [Online]
  21. Möller, H., Näveri, N., Riionheimo, J., and Lokki, T., "Sound absorption of slat structures for practical applications," In Baltic-Nordic Acoustics Meeting, Oslo, Norway, May 3-5, 2021. [Online]
  22. Lokki, T. and Pätynen, J., "Absorption of gilding in concert halls," In Forum Acusticum, Lyon, France, December 7-11, 2020, pp. 1727-1730 [Online]
  23. Meyer, J., Ahrens, J., and Lokki, T., "Identification of virtual receiver array geometries that minimize audibility of numerical dispersion in binaural auralizations of finite difference time domain simulations," In the AES 149th International Convention, paper 10392, October, 2020. [Online (AES, Open Access)]
  24. Meyer-Kahlen, N., Schlecht, S. J., and Lokki, T., "Fade-in control for feedback delay networks," In the 23rd International Conference on Digital Audio Effects (DAFx'20), Vienna, Austria, September 9-11, 2020, 227-233. [Online]
  25. Puomio, O., Pihlajakuja, T., and Lokki, T., "An acoustic paintbrush method for simulated spatial room impulse responses," In the 23rd International Conference on Digital Audio Effects (DAFx'20), Vienna, Austria, September 9-11, 2020, pp. 8-15. [Online]
  26. Amengual Garí, S. V., Kob, M., and Lokki, T., "Analysis of trumpet performance adjustments due to room acoustics," In the International Symposium on Room Acoustics (ISRA 2019), Amsterdam, the Netherlands, September 15-17, 2019.
  27. Puomio, O., Gonzalez, R., and Lokki, T., "Augmented audio with behind-the-head listening device," In the AES International Conference on Immersive and Interactive Audio, York, UK, March 27-29, 2019. [Online (AES)]
  28. Meyer, J., Savioja, L., and Lokki, T., "A case study on the perceptual differences in finite-difference time-domain-simulated diffuser designs," In the AES 146th International Convention, Dublin, Ireland, March 20-23, 2019. [Online (AES)]
  29. Pätynen, J. and Lokki, T., "Dynamic responsiveness in concert halls as source of emotional impact," In the Tenth International Conference On Auditorium Acoustics, Hamburg, Germany, October 4-6, 2018, pp. 237-244 [Online]
  30. Meyer, J. and Lokki, T., "Optimization of a diffuser geometry using parametric modeling tools and finite-difference time-domain simulations," In the Tenth International Conference On Auditorium Acoustics, Hamburg, Germany, October 4-6, 2018, pp. 638-645 [Online]
  31. Riionheimo, J., Näveri, N., Lokki, T., and Möller, H., "Sound absorption of slat structures for practical applications," In the Tenth International Conference On Auditorium Acoustics, Hamburg, Germany, October 4-6, 2018, pp. 493-502 [Online]
  32. Lokki, T. and Pätynen, J., "Concert halls should primarily please the ear, not the eye," In the Tenth International Conference On Auditorium Acoustics, Hamburg, Germany, October 4-6, 2018, pp. 378-385 [Online]
  33. Puomio, O. and Lokki, T., "ICHO: Immersive Concert for Homes," In the AES International Conference on Audio for Virtual and Augmented Reality, Redmond, WA, USA, August 20-22, 2018. [Online (AES)]
  34. Gonzalez, R., Pearce, J., and Lokki, T., "Modular Design for Spherical Microphone Arrays," In the AES International Conference on Audio for Virtual and Augmented Reality, Redmond, WA, USA, August 20-22, 2018. [Online (AES)]
  35. Tahvanainen, H. and Lokki, T., "About the seat-dip effect in the presence of audience," In the 25th International Congress on Sound and Vibration, Hiroshima, Japan, July 8-12, 2018. [Online]
  36. Politis, A., Tervo, S., Lokki, T., and Pulkki, V. "Parametric Multidirectional Decomposition of Microphone Recordings for Broadband High-Order Ambisonic Encoding," In the AES 144th International Convention, Milan, Italy, May 23-26, 2018. [Online (AES)]
  37. Albrecht, R., Jaatinen, J., and Lokki, T., "Electronic Hearing Protection for Musicians," In Proceedings of the 14th Sound and Music Computing Conference (SMC2017), Espoo, Finland, July 5-8, 2017, pp. 306-313. [Online]
  38. Amengual Garí, S. V., Kob, M., and Lokki, T., "Investigations on Stage Acoustic Preferences of Solo Trumpet Players using Virtual Acoustics," In Proceedings of the 14th Sound and Music Computing Conference (SMC2017), Espoo, Finland, July 5-8, 2017, pp. 167-174. [Online]
  39. Lokki, T., "Why is it so hard to design a concert hall with excellent acoustics?," In the Second Australasian Acoustical Societies' Conference (Acoustics 2016), Brisbane, Australia, November 9-11, 2016. Plenary lecture. [Online]
  40. Lokki, T., "Why do some concert halls render music more expressive and impressive than others?," In International Symposium on Musical and Room Acoustics (ISMRA), La Plata, Buenos Aires, Argentina, September 11-13, 2016. Keynote lecture. [Online]
  41. Amengual Garí, S. V., Lokki, T., and Kob, M., "Live performance adjustments of solo trumpet players due to acoustics," In International Symposium on Musical and Room Acoustics (ISMRA), La Plata, Buenos Aires, Argentina, September 11-13, 2016. [Online]
  42. Lokki, T., "Concert halls -- conveyors of musical expressions," In the 22nd International Congress on Acoustics (ICA'2016), Buenos Aires, Argentina, September 5-9, 2016. [Online]
  43. Tahvanainen, H., Pätynen, J., and Lokki, T., "Analysis of the seat-dip effect in an opera house," In the 23rd International Congress on Sound and Vibration, Athens, Greece, July 10-14, 2016. [Online]
  44. Lachenmayr, W., Haapaniemi, A., and Lokki, T., "Direction of late reverberation and envelopment in two reproduced Berlin concert halls," In the AES 140th International Convention, Paris, France, June 4-7, 2016. [Online (AES)]
  45. Amengual Garí, S. V., Eddy, D., Kob, M., and Lokki, T., "Real-time auralization of room acoustics for the study of live music performance," In the 42nd DAGA, Aachen, Germany, March 14-17, 2016. [Online]
  46. Kaplanis, N., Bech, S., Tervo, S., Pätynen, J., Lokki, T., van Waterschoot, T., and Holdt Jensen, S., "A method for perceptual assessment of automotive audio systems and cabin acoustics," In the AES 60th conference, Leuven, Belgium, February 3-5, 2016. [Online (AES)]
  47. Kuusinen, A. and Lokki, T., "On studying auditory distance perception in concert halls with multichannel auralizations," In the 18th International Conference on Digital Audio Effects (DAFx'15), Trondheim, Norway, November 30 - December 3, 2015. [Online]
  48. Möller, H., Pätynen, J., Tervo, S., and Lokki, T., "Practical application and analysis of full orchestra spatial impulse responses in an opera house," In the Ninth International Conference On Auditorium Acoustics, Paris, France, October 29-31, 2015. [Online]
  49. Kuusinen, A. and Lokki, T., "Auditory distance perception in concert halls and the origins of acoustic intimacy," In the Ninth International Conference On Auditorium Acoustics, Paris, France, October 29-31, 2015. [Online]
  50. Pätynen, J., Tervo, S., and Lokki, T., "Subjective impact of concert hall acoustics," In the Ninth International Conference On Auditorium Acoustics, Paris, France, October 29-31, 2015. [Online]
  51. Lokki, T., Pätynen, J., Tervo, S., Kuusinen, A., Tahvanainen, H., and Haapaniemi, A., "The secret of the Musikverein and other shoebox concert halls," In the Ninth International Conference On Auditorium Acoustics, Paris, France, October 29-31, 2015. [Online]
  52. Tahvanainen, H. and Lokki, T., "Bass in concert halls -- recent studies on the seat-dip effect," In the Ninth International Conference On Auditorium Acoustics, Paris, France, October 29-31, 2015. [Online]
  53. Tahvanainen, H., Haapaniemi, A., Pätynen, J., and Lokki, T., "Perceptual relevance of asynchrony between orchestral instrument groups in two concert halls," In Third Vienna Talk on Music Acoustics, Vienna, Austria, September 16-19, 2015, pp. 208-214. [Online]
  54. Lokki, T. and Huhtakallio, I., "Measurements on active earplugs and effect of ear canal resonances on spectral balance," In Euronoise 2015, Maastricht, the Netherlands, June 1-3, 2015, pp. 1615-1620. [Online]
  55. Pätynen, J., Tervo, S., and Lokki, T., "Amplitude panning decreases spectral brightness with concert hall auralizations," In the AES 55th International Conference on Spatial Sound, Helsinki, Finland, August 27-29, 2014. [Online (AES)]
  56. Tahvanainen, H., Pätynen, J., and Lokki, T., "Perception of bass with some musical instruments in the presence of the seat-dip effect," In International Symposium on Musical Acoustics (ISMA2014), Le Mans France, July 7-12, 2014, pp. 563-568. [Online]
  57. Albrecht, R., and Lokki, T., "Adjusting the perceived distance of virtual speech sources by modifying binaural room impulse responses," In 19th International Conference on Auditory Display (ICAD 2013), Lodz, Poland, July 6-10, 2013. [Online]
  58. Lokki, T., "Throw away that standard and listen: your two ears work better," In the International Symposium on Room Acoustics (ISRA 2013), Toronto, Canada, June 9-11, 2013. Keynote lecture. [Online]
  59. Haapaniemi, A., Southern, A., and Lokki, T., "A finite-difference time-domain investigation of reflections from layered wall structures," In the International Symposium on Room Acoustics (ISRA 2013), Toronto, Canada, June 9-11, 2013. [Online]
  60. Robinson, P. W., Siltanen, S., Lokki, T., and Savioja, L., "Concert hall geometry optimization with parametric modeling tools and wave-based acoustic simulations," In the International Symposium on Room Acoustics (ISRA 2013), Toronto, Canada, June 9-11, 2013. [Online]
  61. Kuusinen., A. and Lokki, T., "Individual differences in quality judgments and preferences of concert hall acoustics," In the International Symposium on Room Acoustics (ISRA 2013), Toronto, Canada, June 9-11, 2013. [Online]
  62. Tervo, S., Pätynen, J., and Lokki, T., "Spatial analysis of concert hall impulse responses," In the International Symposium on Room Acoustics (ISRA 2013), Toronto, Canada, June 9-11, 2013. [Online]
  63. Pätynen, J., Tervo, S., and Lokki, T., "Binaural dynamic responsiveness in concert halls," In the International Symposium on Room Acoustics (ISRA 2013), Toronto, Canada, June 9-11, 2013. [Online]
  64. Lokki, T., "Sensory evaluation of concert hall acoustics," In the 21st International Congress on Acoustics (ICA'2013), Montreal, Canada, June 2-7, 2013. Plenary lecture. [Online (AIP)]
  65. Tervo, S., Pätynen, J., and Lokki, T., "Spatio-temporal energy measurements in renowned concert halls with a loudspeaker orchestra," In the 21st International Congress on Acoustics (ICA'2013), Montreal, Canada, June 2-7, 2013. [Online (AIP)] Invited paper.
  66. Albrecht, R., Vesa, S., Virolainen, J., Mutanen, J., and Lokki, T., "Continuous mobile communication with acoustic co-location detection," In the AES 134th International Convention, Rome, Italy, May 4-7, 2013. [Online (AES)]
  67. Gamper, H. Tervo, S., and Lokki, T., "Speaker tracking for teleconferencing via binaural headset microphones", In the International Workshop on Acoustic Signal Enhancement (IWAENC 2012), Aachen, Germany, September 4-6, 2012. [Online (IEEE)]
  68. Robinson, P., Lokki, T., Kuusinen, A., Pätynen, J., Tervo, S., and Savioja, L. "Auditory spatial resolution studies in the Helsinki Music Centre", In Internoise, New York, USA, August 19-22, 2012. [Online]
  69. Lokki, T., "Recording and reproducing concert hall acoustics for subjective evaluation", In International Seminar on Virtual Acoustics (ISVA), Valencia, Spain, November 24-25, 2011. [Online] Invited keynote presentation.
  70. Gamper, H. Tervo, S., and Lokki, T., "Head orientation tracking using binaural headset microphones", In the AES 131st International Convention, New York, NY, USA, October 20-23, 2011. [Online (AES)]
  71. Pätynen, J., Tervo, S., and Lokki, T., "Simulation of the violin section sound based on the analysis of orchestra performance," In IEEE Workshop on Applications of Signal Processing to Audio and Acoustics (WASPAA 2011), New Paltz, New York, USA, October 16-19, 2011, pp. 173-176. [Online (IEEE)] This paper won the Best Student Paper Award.
  72. Lokki, T., Southern, A., Siltanen, S., and Savioja, L., "Studies of Epidaurus with a hybrid room acoustics modeling method," In The Acoustics of Ancient Theaters, Patras, Greece, September 18-21, 2011. [Online]
  73. Albrecht, R., Lokki, T., and Savioja, L., "A mobile augmented reality audio system with binaural microphones," In Interacting with sound workshop (IwS'11), Stockholm, Sweden, August 30, 2011. [Online (ACM)]
  74. Lokki, T., Southern, A., and Savioja, L., "Studies on seat-dip effect with 3D FDTD modeling," In Forum Acusticum, Aalborg, Denmark, June 27 - July 1, 2011, pp. 1517-1522. [Online]
  75. Southern, A., Lokki, T., Savioja, L., and Murphy, D., "The perceptual effects of dispersion error on room acoustic model auralization," In Forum Acusticum, Aalborg, Denmark, June 27 - July 1, 2011, pp. 1553-1558. [Online]
  76. Siltanen, S., Lokki, T., and Savioja, L., "Efficient acoustic radiance transfer method with time-dependent reflections," In ASA 161st meeting, Seattle, Washington, May 23-27, 2011. [Online] POMA Volume 12, pp. 015007.
  77. Lokki, T., Pätynen, J., and Zacharov, N., "Concert hall acoustics assessment with sensory evaluation -- Tools and practices," In The Eigth International Conference On Auditorium Acoustics, Dublin, Ireland, May 20-22, 2011, pp. 35-44. [Online]
  78. Pätynen, J., Tervo, S., and Lokki, T., "Investigations on the development of the frequency response along time in concert halls," In The Eight International Conference On Auditorium Acoustics, Dublin, Ireland, May 20-22, 2011, pp. 159-168. [Online] This paper won the Arup Acoustics Bursary Award.
  79. Pätynen, J. and Lokki, T., "Evaluation of concert hall auralization with virtual symphony orchestra," In the International Symposium on Room Acoustics (ISRA2010), Melbourne, Australia, August 29-31, 2010. [Online]
  80. Siltanen, S., Lokki, T., and Savioja, L.,"Room acoustics modeling with acoustics radiance transfer," In the International Symposium on Room Acoustics (ISRA2010), Melbourne, Australia, August 29-31, 2010. [Online]
  81. Siltanen, S., Lokki, T., and Savioja, L.,"Rays or Waves? Understanding the Strengths and Weaknesses of Computational Room Acoustics Modeling Techniques," In the International Symposium on Room Acoustics (ISRA2010), Melbourne, Australia, August 29-31, 2010. [Online]
  82. Lokki, T., Vertanen, H., Kuusinen, A., Pätynen, J., and Tervo, S., "Auditorium Acoustics Assessment with Sensory Evaluation Methods," In the International Symposium on Room Acoustics (ISRA2010), Melbourne, Australia, August 29-31, 2010. [Online]
  83. Tervo, S., Korhonen, T., and Lokki, T., "Estimation of Reflections from Impulse Responses," In the International Symposium on Room Acoustics (ISRA2010), Melbourne, Australia, August 29-31, 2010. [Online]
  84. Lokki, T. and Puolamäki, K., "Canonical analysis of individual vocabulary profiling data," In Second International Workshop on Quality of Multimedia Experience (QoMEX2010), Trondheim, Norway, June 21-23, 2010, pp. 152-157. [Online (IEEE)]
  85. Lokki, T., Vertanen, H., and Siltanen, S., "Intuitive hand gestures in measurement of the perceived size of an auditory image of a symphony orchestra," In AES 38th International Conference on Sound Quality Evaluation, Piteå, Sweden, June 13-15, 2010, pp. 111-120. [Online (AES)]
  86. Kuusinen, A., Vertanen, H., and Lokki, T., "Assessor selection and behavior in individual vocabulary profiling of concert hall acoustics," In AES 38th International Conference on Sound Quality Evaluation, PiteŒ, Sweden, June 13-15, 2010, pp. 181-190. [Online (AES)]
  87. Gamper, H. and Lokki, T., "Audio augmented reality in telecommunication through virtual auditory display," In 16th International Conference on Auditory Display (ICAD 2010), Washington, D.C, USA, June 9-15, 2010, pp. 63-71. [Online]
  88. Kajastila, R. and Lokki, T., "Eyes-free Methods for Accessing Large Auditory Menus," In 16th International Conference on Auditory Display (ICAD 2010), Washington, D.C, USA, June 9-15, 2010, pp. 223-230. [Online]
  89. Gamper, H. and Lokki, T., "Instant BRIR Acquisition for Auditory Events in Audio Augmented Reality Using Finger Snaps," In International Workshop on the Principles and Applications of Spatial Hearing (IWPASH), Miyagi Zao Royal Hotel, Japan, November 11-13, 2009. [Online]
  90. Kajastila, R., Vehviläinen, J., Palm, P., and Lokki, T., "Funkypod: Integrating Auditory and Visual Menus," In International Workshop on the Principles and Applications of Spatial Hearing (IWPASH), Miyagi Zao Royal Hotel, Japan, November 11-13, 2009. [Online]
  91. Pulkki, V., Laitinen, M.-V., Vilkamo, J., Ahonen, J., Lokki, T., and Pihlajamäki, T. "Directional audio coding - perception-based reproduction of spatial sound," In International Workshop on the Principles and Applications of Spatial Hearing (IWPASH), Miyagi Zao Royal Hotel, Japan, November 11-13, 2009, Invited paper. [Online]
  92. Tervo, S., Pätynen, J., and Lokki, T. "Acoustic reflection path tracing using a highly directional loudspeaker," In IEEE Workshop on Applications of Signal Processing to Audio and Acoustics (WASPAA 2009), New Paltz, New York, USA, October 18-21, 2009, pp. 245-248. [Online (IEEE)]
  93. Lokki, T. and Pätynen, J., "Applying anechoic recordings in auralization," In the EAA Symposium on Auralization, Espoo, Finland, June 15-17, 2009. [Online]
  94. Lokki, T., Pätynen, J., Peltonen, T., and Salmensaari, O., "A Rehearsal Hall with Virtual Acoustics for Symphony Orchestras," In the AES 126th International Convention, Munich, Germany, May 7-10, 2009, paper nr. 7695. [Online (AES)]
  95. Kajastila, R. and Lokki, T., "A Gesture-based and eyes-free control method for mobile devices," In CHI'09 extended abstracts on Human factors in computing systems, pp. 3559-3564, Boston, MA, USA, April 4-9, 2009. [Online (ACM)]
  96. Peltola, M., Lokki, T., and Savioja, L., "Augmented reality audio for location-based games," In AES 35th International conference on Audio for Games, London, UK, February 11-13, 2009. [Online (AES)]
  97. Pätynen, J., Tervo, S., and Lokki, T. "A loudspeaker orchestra for concert hall studies," In The Seventh International Conference On Auditorium Acoustics, pp. 45-52, Oslo, Norway, October 3-5, 2008. [Online]
  98. Tervo, S. and Lokki, T. "Interpolation methods for the SRP-PHAT algorithm," In The 11th International Workshop on Acoustic Echo and Noise Control (IWAENC2008), Seattle, Washington, USA, September 14-17, 2008. [Online]
  99. Lokki, T. and Savioja, L., "State-of-the-art in auralization of concet hall models -- What is still missing?," In Baltic-Nordic Acoustics Meeting, Reykjavik, Iceland, August 17-19, 2008. [Online]
  100. Lokki, T. "Diffusiveness and intensity analysis of spatial impulse responses," In Acoustics'08, pp. 6495-6500, Paris, France, June 29-July 4, 2008. [Online]
  101. Lokki, T., Pätynen, J., and Pulkki, V. "Recording of anechoic symphony music," In Acoustics'08, pp. 6431-6436, Paris, France, June 29-July 4, 2008. Invited paper. [Online]
  102. Siltanen, S. and Lokki, T. "Diffraction modeling in acoustic radiance transfer method," In Acoustics'08, pp. 5625-5630, Paris, France, June 29-July 4, 2008. Invited paper. [Online]
  103. Lokki, T., "How many point sources is needed to represent strings in auralization?," In the International Symposium on Room Acoustics (ISRA'2007), Paper P11, Sevilla, Spain, September 10-12, 2007. [Online]
  104. Siltanen, S., Lokki, T., and Savioja, L., "Acoustic radiance transfer method for room acoustic modeling," In the 19th International Congress on Acoustics (ICA'2007), Paper RBA-05-008, Madrid, Spain, September 2-7, 2007. Invited Paper. [Online]
  105. Kajastila, R., Lokki, T., and Savioja, L., "Interactive multi-channel auralization with camera-based tracking," In the 19th International Congress on Acoustics (ICA'2007), Paper RBA-15-010, Madrid, Spain, September 2-7, 2007. Invited Paper. [Online]
  106. Kajastila, R., Siltanen, S., Lunden, P., Lokki, T., and Savioja, L., "A distributed real-time virtual acoustic rendering system for dynamic geometries," In the AES 122th International Convention, Vienna, Austria, May 5-8, 2007, paper nr. 7160. [Online (AES)]
  107. Lokki, T., Kajastila, R., and Takala, T., "Virtual acoustic spaces with multiple reverberation enhancement systems," In Proceedings AES 30th International conference on intelligent audio environments, Saariselkä, Finland, March 15-17, 2007. [Online (AES)]
  108. Ahonen, J., Pulkki, V., and Lokki, T., "Teleconference application and B-format microphone array for Directional Audio Coding," In Proceedings AES 30th International conference on intelligent audio environments, Saariselkä, Finland, March 15-17, 2007. [Online (AES)]
  109. Lokki, T. and Nenonen, V., "Immersive visualization of room acoustics," In Baltic-Nordic Acoustics Meeting, Gothenburg, Sweden, November 8-10, 2006. [Online]
  110. Vesa, S. and Lokki, T., "Detection of room reflections from a binaural room impulse response," In the 9th International Conference on Digital Audio Effects (DAFx'06), pp. 215-220, Montreal, Canada, September 18-20, 2006. [Online (DAFX)]
  111. Siltanen, S., Lokki, T., and Savioja, L., "Geometry reduction in room acoustics modeling," In The Sixth International Conference On Auditorium Acoustics, pp. 409-416, Copenhagen, Denmark, May 5-7, 2006. [Online]
  112. Lokki, T., Ilmonen, T., Mäkelä, W., and Takala, T., "Upponurkka: An inexpensive immersive display for public VR installations," In IEEE Virtual Reality 2006, Workshop on Emerging Display Technologies, pp. 15-18, Alexandria, Virginia, USA, March 26, 2006. [Online (IEEE)]
  113. Vesa, S. and Lokki, T., "An Eyes-Free User Interface Controlled by Finger Snaps," In the 8th International Conference on Digital Audio Effects (DAFx'05), pp. 262-265, Madrid, Spain, September 20-22, 2005. [Online (DAFX)]
  114. Lokki, T. and Savioja, L., "Evaluation of Auralization Results," In Forum Acusticum 2005, paper nr. 471-0, Budapest, Hungary, August 29 - September 2, 2005, invited paper. [Online]
  115. Lokki, T., "Auralization of simulated impulse responses in slow motion," In the AES 118th International Convention, Barcelona, Spain, May 28-31, 2005, paper nr. 6500. [Online (AES), Listen to demo]
  116. Takala, T., Savioja, L., and Lokki, T., "Swimming in a Virtual Aquarium," In The 6th International Workshop on Gesture in Human-Computer Interaction and Simulation, Vannes, France, May 18-20, 2005. [Online]
  117. Gröhn, M., Lokki, T., and Takala, T., "An orientation experiment using auditory artificial horizon," In the 10th International Conference on Auditory Display (ICAD'2004), Sydney, Australia, July 6-9, 2004. [Online (ICAD)]
  118. Pulkki, V., Merimaa, J., and Lokki, T., "Reproduction of reverberation with spatial impulse response rendering," In the AES 116th International Convention, Berlin, Germany, May 8-11, 2004, preprint nr. 6057. [Online (AES)]
  119. Lokki, T., Nironen, H., Vesa, S., Savioja, L., Härmä, A., and Karjalainen M., "Application scenarios of wearable and mobile augmented reality audio," In the AES 116th International Convention, Berlin, Germany, May 8-11, 2004, preprint nr. 6026. [Online (AES)]
  120. Lokki, T. and Pulkki, V., "Modeling diffraction from an edge between surfaces with different materials," In The International Symposium on Room Acoustics: Design and Science (RADS 2004), Paper #O29, Hyogo, Japan, April 11-13, 2004. [Online]
  121. Lokki, T. and Pulkki, V., "Measurement and theoretical validation of diffraction from a single edge," In the 18th International Congress on Acoustics (ICA'2004), Vol. II, pp. 929-932, Kyoto, Japan, April 4-9, 2004. [Online]
  122. Pulkki, V., Merimaa, J., and Lokki, T., "Multi-channel reproduction of measured room responses," In the 18th International Congress on Acoustics (ICA'2004), Vol. II, pp. 1273-1276, Kyoto, Japan, April 4-9, 2004. [Online]
  123. Lokki, T., Nironen, H., Vesa, S., Savioja, L., and Härmä, A., "Problem of far-end user's voice in binaural telephony," In the 18th International Congress on Acoustics (ICA'2004), Vol. II, pp. 1001-1004, Kyoto, Japan, April 4-9, 2004. Invited Paper. [Online]
  124. Pulkki, V. and Lokki, T., "Visualizing diffraction for educational purposes," In the 18th International Congress on Acoustics (ICA'2004), Vol. III, pp. 2313-2316, Kyoto, Japan, April 4-9, 2004. Invited demonstration. [Online]
  125. Gröhn, M., Lokki, T., and Takala, T., "Comparison of auditory, visual, and audio-visual navigation in a 3D space," In the 9th International Conference on Auditory Display (ICAD'2003), pp. 200-203, Boston, MA, USA, July 6-9, 2003. [Online (ICAD)]
  126. Pihkala, K. and Lokki, T., "Extending SMIL with 3D audio," In the 9th International Conference on Auditory Display (ICAD'2003), pp. 95-98, Boston, MA, USA, July 6-9, 2003. [Online (ICAD)]
  127. Pulkki, V. and Lokki, T., "Visualizing diffraction of a loudspeaker enclosure," In Third International Conference on Modelling and Experimental Measurements in Acoustics (ACOUSTICS 2003), pp. 233-242, Cadiz, Spain, June 16-18, 2003. [Online]
  128. Härmä, A., Jakka, J., Tikander, M., Karjalainen, M., Lokki, T., Nironen, H., and Vesa, S., "Techniques and applications for wearable augmented reality audio,", In the AES 114th International Convention, Amsterdam, the Netherlands, May 22-25, 2003, preprint nr. 5768. [Online (AES)]
  129. Savioja, L., Lokki, T., and Huopaniemi, J., "Interactive room acoustics rendering in real time," In IEEE International Conference on Multimedia and Expo (ICME'2002), Vol. I, pp. 497-500, Lausanne, Switzerland, August 26-29, 2002. [Online (IEEE)]
  130. Lokki, T. and Savioja, L., "A flexible framework for parametric auralization," In Joint Baltic-Nordic Acoustical Meeting, Lyngby, Denmark, August 25-28, 2002. (Paper published in ULTRAGARSAS, ISSN 1392-2114, Nr. 3(48), 2003, pp. 35-39) [Online]
  131. Savioja, L., Lokki, T. and, Välimäki, V., "The interpolated 3-D digital waveguide mesh method for room acoustic simulation and auralization," In Joint Baltic-Nordic Acoustical Meeting, Lyngby, Denmark, August 25-28, 2002. (Paper published in ULTRAGARSAS, ISSN 1392-2114, Nr. 3(48), 2003, pp. 48-52) [Online]
  132. Lokki, T., Pulkki, V., and Savioja, L., "The effect of early reflections to perceived timbre - Analyzed with an auditory model," In Proceedings of the 8th International Conference on Auditory Display (ICAD'2002), pp. 320-325, Kyoto, Japan, July 2-5, 2002. [Online (ICAD)]
  133. Savioja, L., Lokki, T., and Huopaniemi, J., "Auralization applying the parametric room acoustic modeling technique - The DIVA auralization system," In Proceedings of the 8th International Conference on Auditory Display (ICAD'2002), pp. 219-224, Kyoto, Japan, July 2-5, 2002. [Online (ICAD)]
  134. Lokki, T. and Pulkki, V., "Evaluation of geometry-based parametric auralization," In AES 22nd International Conference on Virtual, Synthetic and Entertainment Audio, pp. 367-376, Espoo, Finland, June 15-17, 2002. [Online (AES)]
  135. Gröhn, M., Lokki, T., and Takala, T., "Static and dynamic sound source localization in a virtual room," In AES 22nd International Conference on Virtual, Synthetic and Entertainment Audio, pp. 337-344, Espoo, Finland, June 15-17, 2002. [Online (AES)]
  136. Lokki, T., Svensson, P., and Savioja, L., "An Efficient Auralization of Edge Diffraction," In AES 21st International Conference on Architectural Acoustics & Sound Reinforcement, pp. 166-172, St. Petersburg, Russia, June 1-3, 2002. [Online (AES)]
  137. Härmä, A., Lokki, T., and Pulkki, V., "Drawing quality maps of the sweet spot and its surroundings in multichannel reproduction and coding," In AES 21st International Conference on Architectural Acoustics & Sound Reinforcement, pp. 317-325, St. Petersburg, Russia, June 1-3, 2002. [Online (AES)]
  138. Pulkki, V., Lokki, T., and Savioja, L., "Implementation and visualization of edge diffraction with image-source method," In AES 112nd International Convention, Munich, Germany, May 10-13, 2002, preprint nr. 5603. [Online (AES)]
  139. Lokki, T. and Hiipakka, J., "A Time-Variant Reverberation Algorithm For Reverberation Enhancement Systems," In COST-G6 Conference on Digital Audio Effects (DAFx-01), pp. 28-32, Limerick, Ireland, December 6-8, 2001.[Online (DAFX)]
  140. Merimaa, J., Lokki, T., Peltonen, T., and Karjalainen, M., "Measurement, Analysis, and Visualization of Directional Room Responses," In the AES 111st International Convention, New York, USA, November 30 - December 3, 2001, preprint nr. 5449. [Online (AES)]
  141. Svensson, P., Savioja, L., Lokki, T., and Kristiansen, U., "Low-frequency models for room acoustic prediction," In Proc. 17th International Congress on Acoustics, paper 7B.09.03, Rome, Italy, September 2-7, 2001. [Online]
  142. Gröhn, M., Lokki, T., and Savioja, L., "Using binaural hearing for localization in multimodal virtual environments," In Proc. 17th International Congress on Acoustics, paper 4P.32, Rome, Italy, September 2-7, 2001. [Online]
  143. Lokki, T. and Järveläinen, H., "Subjective Evaluation of Auralization of Physics-based Room Acoustics Modeling," In Proc. 7th International Conference on Auditory Display (ICAD'2001), pp. 26-31, Espoo, Finland, July 29 - August 1, 2001. [Online (ICAD)]
  144. Lokki, T., "Objective Comparison of Measured and Modeled Binaural Room Responses," In Proc. 8th International Congress on Sound and Vibration, pp. 2481-2488, Hong Kong, China, July 2-6, 2001. [Online]
  145. Lokki, T. and Savioja, L., "The DIVA auralization system," ACM Siggraph Campfire: Acoustic Rendering for Virtual Environmens, Snowbird, Utah, May 26-29, 2001. [Online]
  146. Savioja, L. and Lokki, T., "Digital Waveguide Mesh for Room Acoustic Modeling," ACM Siggraph Campfire: Acoustic Rendering for Virtual Environmens, Snowbird, Utah, May 26-29, 2001. [Online]
  147. Lokki, T., Hiipakka, J., and Savioja, L., "A framework for evaluating virtual acoustic environments," Presented at the AES 110th International Convention, Amsterdam, the Netherlands, May 12-15, 2001, preprint nr. 5137. [Online (AES)]
  148. Peltonen, T., Lokki, T., Gouatarbes, B., Merimaa, J., and Karjalainen, M., "A System for Multi-Channel and Binaural Room Response Measurements," Presented at the AES 110th International Convention, Amsterdam, the Netherlands, May 12-15, 2001, preprint nr. 5289. [Online (AES)]
  149. Hiipakka, J., Ilmonen, T., Lokki, T., Gröhn, M., and Savioja, L., "Implementation issues of 3D audio in a virtual room," in Proc. 13th Symposium of IS&T/SPIE, Electronic Imaging 2001, Vol. 4297B, pp. 486-495, San Jose, California, USA, January 21-26, 2001. [Online]
  150. Gröhn, M., Lokki, T., Savioja, L., and Takala, T., "Some Aspects of Role of Audio in Immersive Visualization," in Proc. 13th Symposium of IS&T/SPIE, Electronic Imaging 2001, Vol. 4302, pp. 13-22, San Jose, California, USA, January 21-26, 2001. [Online]
  151. Lokki, T. and Karjalainen, M., "An auditorily motivated analysis method for room impulse responses," in Proc. COST-G6 Conference on Digital Audio Effects (DAFx-00), pp. 55-60, Verona, Italy, December 7-9, 2000. [Online (DAFX)]
  152. Lokki, T., Nummela, J., and Lahti, T., "An electro-acoustic enhancement system for rehearsal rooms," in Proc. EAA Symposium on Architectural Acoustics, paper AAQ06, Madrid, Spain, October 16-20, 2000. [Online]
  153. Hiipakka, J., Ilmonen, T., Lokki, T., and Savioja, L., "Sound Signal Processing for a Virtual Room," in Proc. of the 10th European Signal Processing Conference (Eusipco2000), vol. 4, pp. 2221-2225, Tampere, Finland, September 5-8, 2000. [Online (Eurasip)]
  154. Huopaniemi, J., Savioja, L., Lokki, T., and Väänänen, R., "Virtual Acoustics - Applications and Technology Trends," in Proc. of the 10th European Signal Processing Conference (Eusipco2000), vol. 4, pp. 2201-2209, Tampere, Finland, September 5-8, 2000. [Online (Eurasip)]
  155. Lokki, T., Gröhn, M., Savioja, L., and Takala, T., "A Case Study of Auditory Navigation in Virtual Acoustic Environments," in Proceedings of the 6th International Conference on Auditory Display (ICAD'2000), pp. 145-150, Atlanta, Georgia USA, April 2-5, 2000. [Online (ICAD)]
  156. Lokki, T., Hiipakka, J., and Savioja, L., "Immersive 3-D Sound Reproduction in a Virtual Room," in Proceedings AES 16th International conference on spatial sound reproduction, pp. 172-177, Rovaniemi, Finland, April 10-12, 1999. [Online (AES)]
  157. Lokki, T., Savioja, L., Huopaniemi, J., Hänninen, R., Ilmonen, T., Hiipakka, J., Pulkki, V., Väänänen, R., and Takala, T. "Virtual Concerts in Virtual Spaces - in Real Time," (Invited paper) Joint ASA/EAA Meeting, Berlin, Germany, March 14-19, 1999. [Online]
  158. Piirilä, E., Lokki, T., and Välimäki, V. "Digital Signal Processing Techniques for Non-exponentially Decaying Reverberation," in Proceedings 98 Digital Audio Effects Workshop (DAFX'98), pp. 21-24, Barcelona, Spain, Nov. 19-21, 1998. [Online]
  159. Pulkki, V. and Lokki, T., "Creating Auditory Displays with Multiple Loudspeakers using VBAP: A Case Study with DIVA project," in Proc. of the 5th International Confonference on Auditory Display (ICAD'98), Glasgow, UK, Nov. 1-4, 1998. [Online (ICAD)]
  160. Lokki, T., Väänänen, R., Savioja, L., and Huopaniemi, J., "Advanced 3-D audio in an interactive multimedia environment," in Proc. IEEE Nordic Signal Processing Symposium (NORSIG'98), pp. 201-204, Vigsø, Denmark, June 8-11, 1998. [Online]
  161. Savioja, L., Huopaniemi, J., Lokki, T., and Väänänen, R. "Virtual environment simulation - Advances in the DIVA project," in Proc. of the 4th International Confonference on Auditory Display (ICAD'97), pp. 43-46., Palo Alto, California, USA, Nov. 3-5, 1997. [Online (ICAD)]

Technical Reports and Other Texts

  1. Lokki, T. "Concert hall acoustics -- but on whose terms?", Finnish Music Quarterly, 2019 [Online]
  2. Lokki, T. "Tapio Lokki's 'loudspeaker orchestra' brings the concert hall into the lab", Finnish Music Quarterly, 2019 [Online]
  3. Vesa, S. and Lokki, T. "Segmentation and Analysis of Early Reflections from a Binaural Room Impulse Response," in L. Hirvisalo (ed.): TKK Reports in Media Technology, Technical Report TKK-ME-R-1, 10 p., Helsinki University of Technology, Espoo, Finland, 2009. [Online]

International Other Media

  1. Lokki, T., Meyer-Kahlen, N., Schlecht, S., and Välimäki, V., "Aalto University - Acoustics Lab," Proceedings of the 18th Sound and Music Computing Conference, Binaural video presentation, June 2021.
  2. Pulkki, V., Faller, C., Härmä, A., Lokki, T., and de Bruijn, W. "Editorial: Special Issue on Spatial Sound and Virtual Acoustics," EURASIP Journal on Advances in Signal Processing, vol. 2007, Article ID 72647, 3 pages, 2007. [Online]
  3. Merimaa, J., Peltonen, T., and Lokki, T. "Concert Hall Impulse Responses - Pori, Finland," A download site for a set of concert hall impulse responses. The responses are provided free for noncommercial purpose, May 2005.
  4. Takala, T., Rousku, E., Lokki, T., Savioja, L., Huopaniemi, J., Väänänen, R., Pulkki, V., and Salminen, P. "MARIENKIRCHE - A visual and aural demonstration film," Presented at SIGGRAPH'98 Computer Animation Festival (Electronic Theater). Electronic Art and Animation Catalogue, pp. 149, Jul. 1998. [Online (ACM)]
    Also presented [invited] at film festivals:
  5. DIVA-Group: (Hiipakka, J., Hänninen, R., Ilmonen, T., Napari, H., Lokki, T., Savioja, L., Huopaniemi, J., Karjalainen, M., Tolonen,T., Välimäki, S., and Takala, T.), "Virtual orchestra performance," [interactive installation] in Electric Garden. Proc. Siggraph'97 Visual Proceedings, pp. 81, Aug. 1997. [Online (ACM)]

Patents

  1. Nokia Technologies Oy (Eronen, A., Pihjalakuja, T., Politis, A., Puomio. O., and Lokki, T.), "Rendering reverberation" US20230100071A1, 2023, [Online (Espacenet)]
  2. Helsinki Univ. of Technology (Kajastila, R., Vehviläinen, J., and Lokki, T.), "Menetelmä laitteen ohjaamiseksi" Finnish Patent Application FI20095835. Filed 12.8.2009.
  3. Helsinki Univ. of Technology (Kajastila, R. and Lokki, T.), "Menetelmä laitteen ohjaamiseksi" Finnish Patent Application FI20095736. Filed 6.4.2009.
  4. Helsinki Univ. of Technology (Kajastila, R. and Lokki, T.), "Menetelmä ja laite sovelluksen ohjaamiseksi" Finnish Patent Application FI20080591. Filed 24.10.2008. In addition, patent application PCT/FI2009/050856
  5. Helsinki Univ. of Technology (Lokki, T., Merimaa, J., and Pulkki, V.), A method for reproducing natural or modified spatial impression in multichannel listening, Patents FI 118247(B), US2006171547, US2010322431, JP2006519406, JP2010226760 [Online (Espacenet)]
  6. Helsinki Univ. of Technology (Hiipakka, J., Lokki, T., and Savioja, L.), "Menetelmä kaikulaitteessa ja kaikulaite" Finnish Patent FI 111571 B. Granted 15.8.2003. [Online (Espacenet)]

National Journal and Conference Articles (in Finnish)

  1. Lokki, T., "Vaimennusmateriaalin sijoittelulla on väliä," Akustiikkapäivät 2023, Tampere, pp. 123-128, November 15-16, 2023. [Online]
  2. Cucharero, J., Kammiovirta, K., Lokki, T., and Hänninen, T., "Puukuidun hienorakenteen vaikutus vaahtorainattujen äänenvaimennusmateriaalien akustisiin ominaisuuksiin," Akustiikkapäivät 2023, Tampere, pp. 115-122, November 15-16, 2023. [Online]
  3. Kuusinen, A. and Lokki, T., "Kohinat, hälinät ja kaiunnat -- hälypuhetestien vanhat ja uudet peittoäänet," Akustiikkapäivät 2021, Turku, pp. 277-284, November 24-25, 2021. [Online]
  4. Riionheimo, J. and Lokki, T., "Elokuvateatteri muokkaa elokuvan äänimaisemaa," Akustiikkapäivät 2021, Turku, pp. 209-216, November 24-25, 2021. [Online]
  5. Cucharero Moya, J., Hänninen, T., and Lokki, T., "Akustiikkamateriaalien kulmariippuvainen äänenabsorptio," Akustiikkapäivät 2021, Turku, pp. 245-252, November 24-25, 2021. [Online]
  6. Lokki, T. and Kuusinen, A., "Huoneen akustiikan tunnistaminen eri signaaleilla," Akustiikkapäivät 2021, Turku, pp. 192-197, November 24-25, 2021. [Online]
  7. Lokki, T., "Ehdotus Musiikkitalon konserttisalin akustiikan parantamiseksi," Akustiikkapäivät 2019, Oulu, pp. 270-275, October 28-29, 2019. [Online]
  8. Cucharero Moya, J., Hänninen, T., and Lokki, T., "Vaimennusmateriaalin sijoituksen vaikutus huoneakustiikkaan," Akustiikkapäivät 2019, Oulu, pp. 321-326, October 28-29, 2019. [Online]
  9. Lokki, T. and Kuusinen, A., "Konserttisaliakustiikan ympyrä," Akustiikkapäivät 2017, Espoo, pp. 227-232, August 24-25, 2017. [Online]
  10. Lokki, T. and Pätynen, J., "Objektiivinen konserttisalin dynamiikan arviointi," Akustiikkapäivät 2017, Espoo, pp. 215-220, August 24-25, 2017. [Online]
  11. Tervo, S., Kestilä, J., Ilomäki, T., Pätynen, J., and Lokki, T., "Pienen esitystilan huoneakustiset ratkaisut," Akustiikkapäivät 2017, Espoo, pp. 196-201, August 24-25, 2017. [Online]
  12. Albrecht, R., Väänänen, R., and Lokki, T., "Musiikin ohjaamana -- reitti- ja majakkanavigointi jalankulkijoille ja pyöräilijöille," Akustiikkapäivät 2015, Kuopio, pp. 133-138, September 1-2, 2015. [Online]
  13. Pätynen, J., Tervo, S., and Lokki, T., "Dynamiikan havaitseminen ja konserttisalien akustiikan vaikutus tunteisiin," Akustiikkapäivät 2015, Kuopio, pp. 95-100, September 1-2, 2015. [Online]
  14. Tervo, S., Pätynen, J., and Lokki, T., "Autojen sisätilojen akustiikan ja äänentoiston analyysi tilaimpulssivasteista," Akustiikkapäivät 2015, Kuopio, pp. 25-30, September 1-2, 2015. [Online]
  15. Lokki, T., Tervo, S., Pätynen, J., and Kuusinen, A., "Musiikkitalon ison konserttisalin akustiikka," Akustiikkapäivät 2013, Turku, pp. 225-230, May 22-23, 2013. [Online]
  16. Pätynen, J., Tervo, S., and Lokki, T., "Tila-aika-analyysi eurooppalaisista konserttisaleista visualisoinnin avulla," Akustiikkapäivät 2013, Turku, pp. 219-224, May 22-23, 2013. [Online]
  17. Tervo, S., Pätynen, J., and Lokki, T., "Tilaimpulssivasteiden analyysi ja synteesi huoneakustiikassa," Akustiikkapäivät 2013, Turku, pp. 207-212, May 22-23, 2013. [Online]
  18. Lokki, T., "Musiikkitalo on kuin suuri studio," Rondo Classic, pp. 48-49, June 2012. [Online]
  19. Lokki, T., Pätynen, J., and Vertanen, H., "Suomalaisten konserttisalien vertailu aistinvaraisin menetelmin," Akustiikkapäivät 2011, Tampere, pp. 215-220, May 11-12, 2011. [Online]
  20. Pätynen, J., Southern, A., and Lokki, T., "Konserttisalien akustiikan aika-taajuusvaste ja sen vaikutus havaittuun äänenlaatuun," Akustiikkapäivät 2011, Tampere, pp. 227-232, May 11-12, 2011. [Online]
  21. Pätynen, J., Lokki, T., "Sinfoniaorkesteri herätteenä auralisaatiossa," Akustiikkapäivät 2009, Vaasa, pp. 100-105, May 14-15, 2009. [Online]
  22. Siltanen, S., Lokki, T., "Huoneakustiikan mallinnus virtuaalisella äänikenttäsynteesillä," Akustiikkapäivät 2009, Vaasa, pp. 186-191, May 14-15, 2009. [Online]
  23. Pätynen, J., Lokki, T., "Virtuaaliakustiikalla parempia musiikin opetus- ja harjoitustiloja?," Akustiikkapäivät 2007, Espoo, pp. 57-64, Sept. 27-28, 2007. [Online] Published also in Rakenteiden Mekaniikka, Vol. 41, Nr. 1, pp. 8-16, 2008
  24. Savioja, L., Siltanen, S., Lokki, T., "Geometrisen huoneakustiikan renderöintiyhtälö," Akustiikkapäivät 2007, Espoo, pp. 71-76, Sept. 27-28, 2007. [Online] Published also in Rakenteiden Mekaniikka, Vol. 41, Nr. 1, pp. 25-30, 2008
  25. Lokki, T., "Konserttisaliakustiikan subjektiivinen arviointi perustuen binauraalisiin impulssivasteisiin," Akustiikkapäivät 2003, Turku, pp. 140-145, Oct. 6-7, 2003. [Online]
  26. Lokki, T. and Savioja, L., "Huoneakustiikan mallinnus ja auralisaatio - katsaus nykytutkimukseen," Akustiikkapäivät 2001, Espoo, pp. 129-134, Oct. 8-9, 2001. [Online]
  27. Lokki, T., "Aallokkeet äänisignaalien käsittelyssä," In: Välimäki, V. and Karjalainen, M. (editors), "Signaalinkäsittely audiotekniikassa, akustiikassa ja musiikissa," Teknillinen korkeakoulu, Akustiikan ja äänenkäsittelytekniikan laboratorio, Report no. 50, pp. 257-276, 1998.
  28. Lokki, T. and Savioja, L., "Auralisointidemonstraation toteuttaminen," Proc. Akustiikkapäivät 1997, Espoo, pp. 101-106, Oct. 8-9, 1997.
  29. Lokki, T., "Reaaliaikaiset kuvalähdemenetelmät," In: Karjalainen, M., Backman, J., Savioja, L. (editors), "Akustiikan laskennallinen mallintaminen," Teknillinen korkeakoulu, Akustiikan ja äänenkäsittelytekniikan laboratorio, Report no. 44, pp. 63-82, 1997.
  30. Lokki, T., "Jatkuvaherätteiset ja epälineaariset mallit," In: Karjalainen, M., Välimäki, V. (editors), "Akustisten järjestelmien diskreettiaikaiset mallit ja soittimien mallipohjainen äänisynteesi," Teknillinen korkeakoulu, Akustiikan ja äänenkäsittelytekniikan laboratorio, Report no. 39, pp. 151-162, 1995.
  31. Lokki, T., "Kuuntelukokeet," In: Backman, J., Huopaniemi, J., Rahkila, M. (editors), "Tilakuuleminen ja auralisaatio," Teknillinen korkeakoulu, Akustiikan ja äänenkäsittelytekniikan laboratorio, Report No. 36, pp. 59-67, 1995.

Presentations without a paper

  1. Nolze, J., Meyer-Kahlen, N., Schlecht, S.J., Lokki, T., "Showing your favourite music to friends - A study on collective experience," In European Society of the Cognitive Sciences of Music (ESCOM'24), York, Uk, July 3-6, 2024.
  2. Lokki, T. and Yürek, A., "Sound speed variations in close proximity to porous absorbers," In Symposium on the Acoustics of Poro-Elastic Materials (SAPEM'23), Sorrento, Italy, November 7-10, 2023.
  3. Lokki, T., "Perspectives on the acoustics of concert halls," In International Symposium on Performance Science, Warsaw, Poland, August 17-20, 2023. Invited keynote.
  4. Lokki, T., and Meyer-Kahlen, N., "Spatial room impulse responses - measurements, analysis and auralization," In 12th Ibero-American Acoustics Congress, Florianópolis, Brazil, August 28-31, 2022. Invited keynote.
  5. Lincke, D. and Lokki, T., "Instrumental blending - Characterisation and influencing parameters," In the International Symposium on Room Acoustics (ISRA 2019), Amsterdam, the Netherlands, September 15-17, 2019.
  6. Lokki, T. and Pätynen, J., "Towards a common parameter characterizing the dynamical responsiveness of a concert hall," In Acoustics'17 (173rd Meeting of the Acoustical Society of America and the 8th Forum Acusticum), Boston, MA, June 25-29, 2017. [Abstract online].
  7. Kaplanis, N., Bech, S., Lokki, T., van Waterschoot, T., and Holdt Jensen, S., "A novel method for perceptual assessment of small room acoustics using rapid sensory analysis," In ASA 171st meeting, Salt Lake City, Utah, May 23-27, 2016. [Abstract online].
  8. Kuusinen, A., Lokki, T., Pätynen, J., and Tervo, S., "Insights from three profiling studies of auralized concert hall acoustics: Support for a three dimensional perceptual space?," In ASA 171st meeting, Salt Lake City, Utah, May 23-27, 2016. [Abstract online].
  9. Lokki, T., "Measurement and analysis of spatial room impulse responses," In Concert Hall Research Group Summer Institute, Chicago, Illinois, August 4-7 2014.
  10. Kuusinen, A. and Lokki, T., "Experiences in individual vocabulary profiling of concert hall acoustics," In Sensometrics 2014, Chicago, Illinois, July 29 - August 1, 2014.
  11. Lokki, T., "Is there any acoustical reason that supports non-rectangular concert hall design?" In 167th ASA meeting, Providence, Rhode Island, May 4-9, 2014. This presentation is the Vern O. Knudsen Distinguished Lecture organized by the Technical Committee on Architectural Acoustics.
  12. Lokki, T., Pätynen, J., and Tervo, S., "Workshop W1: Capturing the Acoustics of Concert Halls with a Loudspeaker Orchestra," In AES 134th Convention, Rome, Italy, May 4-7, 2013.
  13. Lokki, T., Pätynen, J., and Tervo, S., "The importance of high frequencies for concert hall acoustics," In AIA-DAGA 2013, Merano, Italy, March 18-21, 2013. Invited presentation.
  14. Tervo, S., Pätynen, J., and Lokki, T., "A spatial encoding method for measured room impulse responses," In ASA 164th meeting, Kansas City, Missouri, USA, October 22-26, 2012. [Abstract online].
  15. Pätynen, J., Tervo, S., and Lokki, T., "Analysis of concert hall acoustics using time-frequency and time-spatial responses," In ASA 164th meeting, Kansas City, Missouri, USA, October 22-26, 2012. [Abstract online].
  16. Lokki, T., Kuusinen, A., Pätynen, J., and Tervo, S., "The preference is driven by intimacy -- which is furthermore provided by lateral reflections," In ASA 163rd meeting, Hong Kong, China, May 13-19, 2012. [Abstract online].
  17. Kuusinen, A., Pätynen, J., Robinson, P., and Lokki, T., "The role of early reflections for definition and source separation," In ASA 163rd meeting, Hong Kong, China, May 13-19, 2012. [Abstract online].
  18. Lokki, T. and Savioja, L., "Room Acoustics Modeling," Tutorial, In the AES 124th International Convention, Amsterdam, the Netherlands, May 17-20, 2008. [Slides online]
  19. Lokki, T., Savioja, L., and Takala, T., "Experimental Virtual Environments Group at the Helsinki University of Technology," IEEE Virtual Reality 2005, Session "Lab Presentations", Bonn, Germany, March 12-16, 2005. In addition, "A Virtual Rock Guitar," was demonstrated in "Lab Demos".
  20. Lokki, T. and Gröhn, M., "Navigation with auditory cues in virtual environment," IEEE Virtual Reality 2004, Workshop on "VR for Public Consumption", Chicago, IL, USA, March 27-31, 2004.
  21. Lokki, T., "The use of 3-D audio in virtual environments," The 3rd CAVE Programming Workshop, Espoo, Finland, August 27-29, 2003.
  22. Savioja, L., Lokki, T., and Gröhn, M., "Auditory Displays in Virtual Rooms," Tutorial, 7th International Conference on Auditory Display (ICAD'2001), Espoo, Finland, July 29 - August 1, 2001.
  23. Huopaniemi, J., Pulkki, V., and Lokki, T., "Psychophysics and Technology of Virtual Acoustic Displays," Tutorial, International Conference on Auditory Display (ICAD'98), Glasgow, Nov. 1-4, 1998.

Edited conference proceedings

  1. Lokki, T. (editor), "Proceedings of the Baltic-Nordic Acoustics Meeting (BNAM 2024)," Akustinen Seura ry, Espoo, Finland, 393 p., May 22-24, 2024
  2. Lokki, T. (editor), "Akustiikkapäivät 2023," Akustinen Seura ry, Tampere, 364 p., Nov. 15-16, 2023.
  3. Lokki, T. (editor), "Akustiikkapäivät 2021," Akustinen Seura ry, Turku, 296 p., Nov. 24-25, 2021.
  4. Lokki, T. (editor), "Akustiikkapäivät 2019," Akustinen Seura ry, Oulu, 375 p., Oct. 28-29, 2019.
  5. Lokki, T. (editor), "Akustiikkapäivät 2017," Akustinen Seura ry, Espoo, 364 p., Aug. 24-25, 2017.
  6. Lokki, T. and Tahvanainen, H. (editors), "Proceedings of the Baltic-Nordic Acoustics Meeting," Nordic Acoustic Association, Tallinn, Estonia, June 2-4, 2014.
  7. Hiipakka, M., Tahvanainen, H., and Lokki, T. (editor), "Akustiikkapäivät 2013," Akustinen Seura ry, Turku, 266 p., May 22-23, 2013.
  8. Lokki, T. (editor), "Proceedings of the Baltic-Nordic Acoustics Meeting," Akustinen Seura ry, Mariehamn, June 8-10, 2004.
  9. Lokki, T. (editor), "Akustiikkapäivät 2001," Akustinen Seura ry, Espoo, 137 p., Oct. 8-9, 2001.
  10. Lokki, T. (editor), "Akustiikkapäivät 1999," Akustinen Seura ry, Tampere, 141 p., Oct. 4-5, 1999.
Last updated: 28th May 2024
Tapio.Lokki(at)aalto.fi