Tapio Lokki - Publications List

Books

2004

T Lokki (2004) Proceedings of the Baltic-Nordic Acoustics Meeting (BNAM 2004) Mariehamn, Finland: Akustinen Seura ry

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2001

T Lokki (2001) Akustiikkapäivät 2001 Espoo, Finland: Akustinen Seura ry

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1999

T Lokki (1999) Akustiikkapäivät 1999 Tampere, Finland: Akustinen Seura ry

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Journal articles

2011

T Lokki, J Pätynen, S Tervo, S Siltanen, L Savioja (2011) Engaging concert hall acoustics is made up of temporal envelope preserving reflections Journal of the Acoustical Society of America Express Letters 129: 5.

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Notes: In press

2010

J Pätynen, T Lokki (2010) Directivities of symphony orchestra instruments Acta Acustica united with Acustica 96: 1. 138-167 January/February

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2009

S Laine, S Siltanen, T Lokki, L Savioja (2009) Accelerated beam tracing algorithm Applied Acoustics 70: 1. 172-181 January

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2008

T Lokki, V Pulkki, P Calamia (2008) Measurement and modeling of diffraction from an edge of a thin panel Applied Acoustics 69: 9. 824-832 September

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2007

V Pulkki, C Faller, A Härmä, T Lokki, W de Bruijn (2007) Spatial Sound and Virtual Acoustics EURASIP Journal on Advances in Signal Processing 2007:

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Notes: doi:10.1155/2007/72647

2006

T Ilmonen, T Lokki (2006) Extreme Filters - Cache-Efficient Implementation of Long IIR and FIR Filters IEEE Signal Processing Letters 13: 7. 401-404

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2005

M Gröhn, T Lokki, T Takala (2005) Author’s comments on Gröhn, Lokki, and Takala, ICAD 2003 ACM Transactions on Applied Perception 2: 4. 571-573

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T Lokki (2005) Subjective comparison of four concert halls based on binaural impulse responses Acoustical Science and Technology 26: 2. 200-203

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T Lokki, M Gröhn (2005) Navigation with Auditory Cues in a Virtual Environment IEEE Multimedia 12: 2. 80-86

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M Gröhn, T Lokki, T Takala (2005) Comparison of auditory, visual, and audiovisual navigation in a 3D space ACM Transactions on Applied Perception 2: 4. 564-570

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2004

A Härmä, J Jakka, M Tikander, M Karjalainen, T Lokki, J Hiipakka, G Lorho (2004) Augmented reality audio for mobile and wearable appliances Journal of the Audio Engineering Society 52: 6. 618-639

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2003

V Pulkki, T Lokki (2003) Visualization of edge diffraction Acoustic Research Letters Online (ARLO) 4: 4. 118-123

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2002

T Lokki, M Karjalainen (2002) Analysis of Room Responses, Motivated by Auditory Perception Journal of New Music Research 31: 2. 163-169

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1999

L Savioja, J Huopaniemi, T Lokki, R Väänänen (1999) Creating Interactive Virtual Acoustic Environments Journal of the Audio Engineering Society 47: 9. 675-705

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1998

T Lokki, J Hiipakka, R Hänninen, T Ilmonen, L Savioja, T Takala (1998) Real-Time Audiovisual Rendering and Contemporary Audiovisual Art Organised Sound 3: 3. 219-233

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Book chapters

2011

V Pulkki, T Lokki, D Rocchesso (2011) 5 Spatial Effects In: DAFX : Digital Audio Effects Edited by:U Zölzer. 139-184 Wiley

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Notes: In Press

2008

T Lokki, L Savioja (2008) Virtual Acoustics In: Handbook of Signal Processing in Acoustics Edited by:D Havelock, S Kuwano, M Vorländer. 761-772 Springer (New York)

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Conference papers

2011

T Lokki, J Pätynen, H Vertanen (2011) Suomalaisten konserttisalien vertailu aistinvaraisin menetelmin In: Akustiikkapäivät Tampere, Finland:

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J Pätynen, T Lokki (2011) Investigations on the development of the frequency response along time in concert halls In: 8th International Conference on Auditorium Acoustics

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Notes: The paper is the winner of the first Arup Room Acoustic Bursary Award

T Lokki, A Southern, L Savioja (2011) Studies on seat-dip effect with 3D FDTD modeling In: Forum Acusticum Aalborg, Denmark:

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J Pätynen, A Southern, T Lokki (2011) Konserttisalien akustiikan taajuusvaste ajan funktiona In: Akustiikkapäivät Tampere, Finland:

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A Southern, D Murphy, T Lokki, L Savioja (2011) The perceptual effects of dispersion error on room acoustic model auralization In: Forum Acusticum Aalborg, Denmark:

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2010

R Kajastila, T Lokki (2010) Eyes-free Methods for Accessing Large Auditory Menus In: The 16th International Conference on Auditory Display (ICAD-2010) 223-230 Washington, D.C, USA:

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J Pätynen, T Lokki (2010) Evaluation of concert hall auralization with virtual symphony orchestra In: the International Symposium on Room Acoustics (ISRA2010) Melbourne, Australia:

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Notes: Paper O2d

T Lokki, K Puolamäki (2010) Canonical analysis of individual vocabulary profiling data In: Second International Workshop on Quality of Multimedia Experience (QoMEX2010) 152-157 Trondheim, Norway:

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S Siltanen, T Lokki, L Savioja (2010) Room acoustics modeling with acoustics radiance transfer In: the International Symposium on Room Acoustics (ISRA2010) Melbourne, Australia:

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Notes: Paper P5h

S Tervo, T Korhonen, T Lokki (2010) Estimation of Reflections from Impulse Responses In: the International Symposium on Room Acoustics (ISRA2010) Melbourne, Australia:

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Notes: Paper P2e

2009

J Pätynen, T Lokki (2009) Sinfoniaorkesteri herätteenä auralisaatiossa In: Akustiikkapäivät 2009 100-105 Vaasa, Finland:

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S Siltanen, T Lokki (2009) Huoneakustiikan mallinnus virtuaalisella äänikenttäsynteesillä In: Akustiikkapäivät 2009 186-191 Vaasa, Finland:

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M Peltola, T Lokki, L Savioja (2009) Augmented reality audio for location-based games In: AES 35th International conference on Audio for Games London, UK:

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R Kajastila, J Vehviläinen, P Palm, T Lokki (2009) Funkypod : Integrating Auditory and Visual Menus In: International Workshop on the Principles and Applications of Spatial Hearing (IWPASH) Miyagi Zao Royal Hotel, Japan:

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T Lokki, J Pätynen (2009) Applying anechoic recordings in auralization In: EAA Symposium on Auralization Espoo, Finland:

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T Lokki, J Pätynen, T Peltonen, O Salmensaari (2009) A Rehearsal Hall with Virtual Acoustics for Symphony Orchestras In: the 126th Audio Engineering Society (AES) Convention Munich, Germany:

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Notes: paper no. 7695

2008

J Pätynen, S Tervo, T Lokki (2008) A loudspeaker orchestra for concert hall studies In: The Seventh International Conference On Auditorium Acoustics 45-52 Oslo, Norway:

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Notes: Also published in Acoustics Bulletin 2009, 34(6), pp. 32-37.

S Tervo, T Lokki (2008) Comparison of interpolation methods in the SRP-PHAT algorithm In: The 11th International Workshop on Acoustic Echo and Noise Control (IWAENC2008) Seattle, Washington, USA:

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T Lokki (2008) Diffusiveness and intensity analysis of spatial impulse responses In: Joint ASA/EAA Meeting, Acoustics’08 6495-6500 Paris, France:

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T Lokki, J Pätynen, V Pulkki (2008) Recording of anechoic symphony music In: Joint ASA/EAA Meeting, Acoustics’08 6431-6436 Paris, France:

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Notes: Invited paper

S Siltanen, T Lokki (2008) Diffraction modeling in acoustic radiance transfer method In: Joint ASA/EAA Meeting, Acoustics’08 5625-5630 Paris, France:

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Notes: Invited paper

2007

L Savioja, S Siltanen, T Lokki (2007) Geometrisen huoneakustiikan renderöintiyhtälö In: Akustiikkapäivät 2007 71-76 Espoo, Finland:

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Notes: Published also in Rakenteiden Mekaniikka, Vol. 41, Nr. 1, pp. 25-30, 2008

T Lokki, R Kajastila, T Takala (2007) Virtual Acoustic Spaces with Multiple Reverberation Enhancement Systems In: Proc. AES 30th Int. Conf. on Intelligent Audio Environments Saariselkä, Finland:

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S Siltanen, T Lokki, L Savioja (2007) Acoustic radiance transfer method for room acoustic modeling In: the 19th International Congress on Acoustics (ICA’2007) Madrid, Spain:

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Notes: Paper RBA-05-008, Invited paper.

T Lokki (2007) How many point sources is needed to represent strings in auralization? In: the International Symposium on Room Acoustics (ISRA’2007) Seville, Spain:

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Notes: Paper P11

R Kajastila, T Lokki, L Savioja (2007) Interactive multi-channel auralization with camera-based tracking In: the 19th International Congress on Acoustics (ICA’2007) Madrid, Spain:

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Notes: Paper RBA-15-010, Invited paper.

R Kajastila, S Siltanen, P Lunden, T Lokki, L Savioja (2007) A distributed real-time virtual acoustic rendering system for dynamic geometry In: the 122th Audio Engineering Society (AES) Convention Vienna, Austria:

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Notes: paper no. 7160

J Pätynen, T Lokki (2007) Virtuaaliakustiikalla parempia musiikin opetus- ja harjoitustiloja? In: Akustiikkapäivät 2007 57-64 Espoo, Finland:

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Notes: Published also in Rakenteiden Mekaniikka, Vol. 41, Nr. 1, pp. 8-16, 2008

2006

T Lokki, V Nenonen (2006) Immersive visualization of room acoustics In: Baltic-Nordic Acoustics Meeting Gothenburg, Sweden:

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S Siltanen, T Lokki, L Savioja (2006) Geometry Reduction in Room Acoustics Modeling In: The Sixth International Conference On Auditorium Acoustics 409-416 Copenhagen, Denmark:

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2005

T Takala, L Savioja, T Lokki (2005) Swimming in a Virtual Aquarium In: The 6th International Workshop on Gesture in Human-Computer Interaction and Simulation Vannes, France:

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S Vesa, T Lokki (2005) An Eyes-Free User Interface Controlled by Finger Snaps In: the 8th International Conference on Digital Audio Effects (DAFx’05) 262-265 Madrid, Spain:

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T Lokki (2005) Auralization of simulated impulse responses in slow motion In: the 118th Audio Engineering Society (AES) Convention Barcelona, Spain:

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Notes: paper no. 6500

T Lokki, L Savioja (2005) Evaluation of Auralization Results In: Forum Acusticum 2005 Budabest, Hungary:

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Notes: Paper 471-0

T Lokki, L Savioja, T Takala (2005) Experimental Virtual Environments Group at the Helsinki University of Technology In: IEEE Virtual Reality 2005, Session Lab Presentations Bonn, Germany:

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Notes: In addition, A Virtual Rock Guitar was demonstrated in Lab Demos

2004

T Lokki, M Gröhn (2004) Navigation with auditory cues in virtual environment In: IEEE Virtual Reality 2004, Workshop on VR for Public Consumption Chicago, IL, USA:

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T Lokki, H Nironen, S Vesa, L Savioja, A Härmä, M Karjalainen (2004) Application scenarios of wearable and mobile augmented reality audio In: the 116th Audio Engineering Society (AES) Convention Berlin, Germany:

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Notes: paper no. 6026

M Gröhn, T Lokki, T Takala (2004) An orientation experiment using auditory artificial horizon In: Proc. 10th Int. Conf. Auditory Display (ICAD’2004) Sydney, Australia:

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T Lokki, H Nironen, S Vesa, L Savioja, A Härmä (2004) Problem of far-end user’s voice in binaural telephony In: the 18th International Congress on Acoustics (ICA’2004) 1001-1004 Kyoto, Japan:

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Notes: Invited paper

V Pulkki, J Merimaa, T Lokki (2004) Multi-channel reproduction of measured room responses In: the 18th International Congress on Acoustics (ICA’2004) 1273-1276 Kyoto, Japan:

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T Lokki, V Pulkki (2004) Modeling diffraction from an edge between surfaces with different materials In: the International Symposium on Room Acoustics : Design and Science (RADS 2004) Hyogo, Japan:

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Notes: Paper nro. O29

V Pulkki, J Merimaa, T Lokki (2004) Reproduction of reverberation with spatial impulse response rendering In: the 116th Audio Engineering Society (AES) Convention Berlin, Germany:

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Notes: paper no. 6057

V Pulkki, T Lokki (2004) Visualizing diffraction for educational purposes In: the 18th International Congress on Acoustics (ICA’2004) 2313-2316 Kyoto, Japan:

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Notes: Invited demonstration

2003

A Härmä, J Jakka, M Tikander, M Karjalainen, T Lokki, H Nironen, S Vesa (2003) Techniques and applications for wearable augmented reality audio In: the 114th Audio Engineering Society (AES) Convention Amsterdam, the Netherlands:

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Notes: preprint no. 5768

T Lokki (2003) Konserttisaliakustiikan subjektiivinen arviointi perustuen binauraalisiin impulssivasteisiin In: Akustiikkapäivät 2003 140-145 Turku, Finland:

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Notes: Presentation in the meeting of the Acoustical Society of Finland

V Pulkki, T Lokki (2003) Visualizing diffraction of a loudspeaker enclosure In: Proc. 3rd Int. Conf. Modelling and Experimental Measurements in Acoustics (ACOUSTICS 2003) 233-242 Cadiz, Spain:

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T Lokki (2003) The use of 3-D audio in virtual environments In: The 3rd CAVE Programming Workshop Espoo, Finland:

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K Pihkala, T Lokki (2003) Extending SMIL with 3D audio In: Proc. 9th Int. Conf. Auditory Display (ICAD’2003) 95-98 Boston, MA, USA:

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2002

V Pulkki, T Lokki, L Savioja (2002) Implementation and visualization of edge diffraction with image-source method In: the 112nd Audio Engineering Society (AES) Convention Munich, Germany:

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Notes: preprint no. 5603

T Lokki, L Savioja (2002) A flexible framework for parametric auralization In: Joint Baltic-Nordic Acoustical Meeting Lyngby, Danmark:

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Notes: Published in ULTRAGARSAS, ISSN 1392-2114, Nr. 3(48), 2003, pp. 35-39

L Savioja, T Lokki, V Välimäki (2002) The interpolated 3-D digital waveguide mesh method for room acoustic simulation and auralization In: Joint Baltic-Nordic Acoustical Meeting Lyngby, Danmark:

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Notes: Published in ULTRAGARSAS, ISSN 1392-2114, Nr. 3(48), 2003, pp. 48-52

L Savioja, T Lokki, J Huopaniemi (2002) Interactive room acoustics rendering in real time In: Proc. IEEE Int. Conf. on Multimedia and Expo (ICME’2002) 497-500 Lausanne, Switzerland:

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T Lokki, U P Svensson, L Savioja (2002) An Efficient Auralization of Edge Diffraction In: Proc. AES 21st Int. Conf. on Architectural Acoustics and Sound Reinforcement 166-172 St. Petersburg, Russia:

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T Lokki, V Pulkki (2002) Evaluation of the Geometry-Based Parametric Auralization In: Proc. AES 22nd Int. Conf. on Virtual, Synthetic and Entertainment Audio 367-376 Espoo, Finland:

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2001

T Lokki, J Hiipakka (2001) A Time-Variant Reverberation Algorithm For Reverberation Enhancement Systems In: Proc. Digital Audio Effects Conference (DAFx-01) 28-32 Limerick, Ireland:

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L Savioja, T Lokki (2001) Digital Waveguide Mesh for Room Acoustic Modeling In: ACM Siggraph Campfire : Acoustic Rendering for Virtual Environmens Snowbird, UT:

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T Lokki, L Savioja (2001) Huoneakustiikan mallinnus ja auralisaatio - katsaus nykytutkimukseen In: Akustiikkapäivät 2001 129-134 Espoo, Finland:

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U P Svensson, L Savioja, T Lokki, U Kristiansen (2001) Low-frequency models for room acoustic prediction In: Proc. 17th Int. Congress on Acoustics Rome, Italy:

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Notes: paper 7B.09.03

T Lokki, L Savioja (2001) The DIVA auralization system In: ACM Siggraph Campfire : Acoustic Rendering for Virtual Environmens Snowbird, UT:

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M Gröhn, T Lokki, L Savioja (2001) Using binaural hearing for localization in multimodal virtual environments In: Proc. 17th Int. Congress on Acoustics Rome, Italy:

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Notes: paper 4P.32

T Lokki (2001) Objective Comparison of Measured and Modeled Binaural Room Responses In: Proc. 8th Int. Congr. on Sound and Vibration 2481-2488 Hong Kong, China:

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J Merimaa, T Lokki, T Peltonen, M Karjalainen (2001) Measurement, Analysis, and Visualization of Directional Room Responses In: the 111th Audio Engineering Society (AES) Convention New York, USA:

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Notes: preprint no. 5449

T Peltonen, T Lokki, B Gouatarbes, J Merimaa, M Karjalainen (2001) A System for Multi-Channel and Binaural Room Response Measurements In: the 110th Audio Engineering Society (AES) Convention Amsterdam, the Netherlands:

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Notes: preprint no. 5289

T Lokki, J Hiipakka, L Savioja (2001) A framework for evaluating virtual acoustic environments In: the 110th Audio Engineering Society (AES) Convention Amsterdam, the Netherlands:

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Notes: preprint no. 5317

2000

T Lokki, J Nummela, T Lahti (2000) An electro-acoustic enhancement system for rehearsal rooms In: Proc. EAA Symposium on Architectural Acoustics Madrid, Spain:

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Notes: paper AAQ06

H Möller, T Peltonen, L Savioja, T Lokki, B Gouatarbes (2000) The development of new strategies in room acoustic measurements In: Nordic Acoustical Meeting Røros, Norway:

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1999

T Lokki, L Savioja, J Huopaniemi, R Hänninen, T Ilmonen, J Hiipakka, V Pulkki, R Väänänen, T Takala (1999) Virtual Concerts in Virtual Spaces - in Real Time (invited paper) In: Joint 137th Meeting of ASA and 2nd Convention of EAA (Forum Acusticum)

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Notes: Paper presented in the ASA/EAA Joint Meeting, Berlin, Germany

T Lokki, L Savioja, J Huopaniemi, R Hänninen, T Ilmonen, J Hiipakka, V Pulkki, R Väänänen, T Takala (1999) Virtual Concerts in Virtual Spaces - in Real Time (invited paper) In: the CDROM of the ASA/EAA/DEGA Joint Meeting Berlin, Germany:

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Notes: paper n. 1pSP1. Abstract in JASA 105(2), pp. 979 and ACUSTICA 85(Suppl.1),pp. S53.

1998

T Takala, E Rousku, T Lokki, L Savioja, J Huopaniemi, R Väänänen, V Pulkki, P Salminen (1998) Marienkirche - A visual and aural demonstration film In: Electronic Art and Animation Catalogue (SIGGRAPH’98) Orlando, Florida:

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Notes: Presented in SIGGRAPHâ��98 Computer Animation Festival (Electronic Theater)

1997

T Lokki, L Savioja (1997) Auralisointidemonstraation toteuttaminen In: Akustiikkapäivät 1997 101-106 Espoo, Finland:

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DIVA Group J Hiipakka, R Hänninen, T Ilmonen, H Napari, T Lokki, L Savioja, J Huopaniemi, M Karjalainen, T Tolonen, V Välimäki, S Välimäki, T Takala (1997) Virtual Orchestra Performance In: Visual Proceedings of SIGGRAPH’97 Los Angeles: ACM SIGGRAPH

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Notes: [interactive installation] in Electric Garden

Technical reports

2003

T Lokki (2003) Spatial sound control – TAKU

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Notes: Technology program report 10/2003, http://www.tekes.fi/en/document/43314/vare_engl_pdf

1998

T Lokki (1998) Aallokkeet äänisignaalien käsittelyssä

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1997

T Lokki (1997) Reaaliaikaiset kuvalähdemenetelmät

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1995

T Lokki (1995) Kuuntelukokeet

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T Lokki (1995) Jatkuvaherätteiset ja epälineaariset mallit

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Masters theses

1997

T Lokki (1997) Virtuaaliääniympäristön luominen konserttisalin laskennalliseen malliin Helsinki University of Technology, Faculty of Electrical Engineering, Laboratory of Acoustics and Audio Signal Processing Espoo, Finland:

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Notes: 76p.

PhD theses

2002

T Lokki (2002) Physically-based Auralization - Design, Implementation, and Evaluation Helsinki University of Technology, Telecommunications Software and Multimedia Laboratory, report TML-A5 Espoo, Finland:

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Notes: Grade: "Passed with distinction"

Other

2009

S Vesa, T Lokki (2009) Segmentation and Analysis of Early Reflections from a Binaural Room Impulse Response

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2008

T Lokki, L Savioja (2008) Room Acoustics Modeling Tutorial given at the 124th AES Convention, Amsterdam, the Netherlands

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2006

W Mäkelä, T Lokki, T Takala (2006) Sormet aineettomassa savessa – HELMA-projektin loppuraportti

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2005

J Merimaa, T Peltonen, T Lokki (2005) 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.

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Notes: http://www.acoustics.hut.fi/projects/poririrs/

2001

L Savioja, T Lokki, M Gröhn (2001) Auditory Displays in Virtual Rooms Tutorial given at the 7th Int. Conf. Auditory Display (ICAD’2001), Espoo, Finland

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1998

J Huopaniemi, V Pulkki, T Lokki (1998) Psychophysics and technology of virtual acoustic displays Tutorial at the 5th Int. Conf. on Auditory Display (ICAD’98), Glasgow, UK

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