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Dipl.-Ing. Matthias Geier

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Matthias Geier

Personal Data

Research Assistant/PhD Student

Research Group: Signal Processing and Virtual Acoustics

Spatial Audio Blog: http://spatialaudio.net

Bio:

From 2007 to 2012 Matthias Geier was working as a research assistant (Wissenschaftlicher Mitarbeiter) at the Quality and Usability Lab of Deutsche Telekom Laboratories, TU Berlin (http://tu-berlin.de/?id=mg). He studied Electrical Engineering/Sound Engineering at University of Technology and University of Music and Dramatic Arts in Graz, Austria. He received his diploma degree (Diplom-Ingenieur) in 2006.

Publications of Matthias Geier

Articles:

1. Avni, A.; Wierstorf, H.; Geier, M.; Ahrens, J.; Spors, S.; Rafaely, B.:
Spatial perception of sound fields recorded by spherical microphone arrays with varying spatial resolution. In: Journal of the Acoustical Society of America (JASA), vol. 133, no. 5 (5/2013), pp. 2711-2721
DOI: 10.1121/1.4795780
downloadBibTeX
2. Wierstorf, H.; Raake, A.; Geier, M.; Spors, S.:
Perception of Focused Sources in Wave Field Synthesis. In: Journal of the Audio Engineering Society, vol. 61, no. 1/2 (1/2013), pp. 5-16
downloadBibTeX
3. Geier, M.; Ahrens, J.; Spors, S.:
Object-based Audio Reproduction and the Audio Scene Description Format. In: Organized Sound, vol. 15, no. 3 (2010), pp. 219-227
DOI: 10.1017/S1355771810000324
downloadBibTeX

Contributions to Collections:

4. Geier, M.; Spors, S.; Weinzierl, S.:
The Future of Audio Reproduction: Technology - Formats - Applications. Detyniecki, M.; Leiner, U.; Nürnberger, A. (ed.): Adaptive Multimedia Retrieval. Identifying, Summarizing, and Recommending Image and Music. pp. 1-17, Springer, 2010
ISBN: 978-3-642-14757-9
downloadBibTeX

Contributions to Proceedings:

5. Erbes, V.; Geier, M.; Weinzierl, S.; Spors, S.:
Database of single-channel and binaural room impulse responses of a 64-channel loudspeaker array. 138th Convention of the Audio Engineering Society, Warsaw, Poland, 2015
downloadBibTeX
6. Mueller, J.; Geier, M.; Dicke, C.; Spors, S.:
The BoomRoom: Mid-air Direct Interaction with Virtual Sound Sources. CHI Conference on Human Factors in Computing Systems, Toronto, Canada, 2014
downloadBibTeX
7. Weiss, B.; Burkhardt, F.; Geier, M.:
Towards perceptual dimensions of speakers' voices: Eliciting individual descriptions. Workshop on Affective Social Speech Signals (WASSS 2013), Grenoble, France, 2013
BibTeX
8. Geier, M.; Spors, S.:
Spatial Audio Reproduction with the SoundScape Renderer. 27th Tonmeistertagung - VDT International Convention, Cologne, Germany, 2012
downloadBibTeX
9. Geier, M.; Hohn, T.; Spors, S.:
An Open Source C++ Framework for Multithreaded Realtime Multichannel Audio Applications. Linux Audio Conference, Stanford, USA, 2012
downloadBibTeX
10. Spors, S.; Wierstorf, H.; Geier, M.:
Comparison of Modal versus Delay-and-Sum Beamforming in the Context of Data-based Binaural Synthesis. 132nd Convention of the Audio Engineering Society, Budapest, Hungary, 2012
downloadBibTeX
11. Skowronek, J.; Raake, A.; Hoeldtke, K.; Geier, M.:
Speech Recordings for Systematic Assessment of Multi-party Conferencing. Forum Acusticum, Aalborg, Denmark, 2011
downloadBibTeX
12. Wierstorf, H.; Geier, M.; Raake, A.; Spors, S.:
A Free Database of Head Related Impulse Response Measurements in the Horizontal Plane with Multiple Distances. 130th Convention of the Audio Engineering Society, London, UK, 2011
downloadBibTeX
13. Wierstorf, H.; Geier, M.; Spors, S.:
Reducing Artifacts of Focused Sources in Wave Field Synthesis. 129th Convention of the Audio Engineering Society, San Fransisco, UK, 2010
downloadBibTeX
14. Raake, A.; Schlegel, C.; Hoeldtke, K.; Geier, M.; Ahrens, J.:
Listening and Conversational Quality of Spatial Audio Conferencing. 40th International AES Conference, Tokyo, Japan, 2010
downloadBibTeX
15. Ahrens, J.; Geier, M.; Spors, S.:
Perceptual Assessment of Delay Accuracy and Loudspeaker Misplacement in Wave Field Synthesis. 128th Convention of the Audio Engineering Society, London, UK, 2010
downloadBibTeX
16. Geier, M.; Wierstorf, H.; Ahrens, J.; Wechsung, I.; Raake, A.; Spors, S.:
Perceptual Evaluation of Focused Sources in Wave Field Synthesis. 128th Convention of the Audio Engineering Society, London, UK, 2010
downloadBibTeX
17. Raake, A.; Schlegel, C.; Geier, M.; Ahrens, J.:
Hör- und Konversationstests zur Untersuchung der Vorteile Räumlicher Audiokonferenzen. German Annual Conference on Acoustics (DAGA), pp. 1071-1072, Berlin, Germany, 2010
downloadBibTeX
18. Ahrens, J.; Geier, M.; Spors, S.:
Perceptual Comparison of Wave Field Synthesis Implemented with Integer and Fractional Delays. German Annual Conference on Acoustics (DAGA), Berlin, Germany, 2010
ISBN: 978-3-9808659-8-2
downloadBibTeX
19. Geier, M.; Spors, S.:
Conducting Psychoacoustic Experiments with the SoundScape Renderer. 9. ITG Fachtagung Sprachkommunikation, Bochum, Germany, 2010
downloadBibTeX
20. Spors, S.; Wierstorf, H.; Geier, M.; Ahrens, J.:
Physical and Perceptual Properties of Focused Sources in Wave Field Synthesis. 127th Convention of the Audio Engineering Society, New York, USA, 2009
downloadBibTeX
21. Geier, M.; Ahrens, J.; Spors, S.:
Binaural Monitoring of Massive Multichannel Sound Reproduction Systems using Model-based Rendering. NAG-DAGA International Conference on Acoustics, Rotterdam, The Netherlands, 2009
downloadBibTeX
22. Gierlich, H.-W.; Poschen, S.; Kettler, F.; Raake, A.; Spors, S.; Geier, M.:
Echo Perception in Wideband Telecommunication Scenarios - Comparison to E-model's Narrowband Echo Findings. ITU-T workshop on 'From Speech to Audio: bandwidth extension, binaural perception', Lannion, France, 2008
BibTeX
23. Kendall, G.; Peters, N.; Geier, M.:
Towards an Interchange Format for Spatial Audio Scenes. International Computer Music Conference (ICMC), Belfast, UK, 2008
downloadBibTeX
24. Geier, M.; Spors, S.:
ASDF: Audio Scene Description Format. International Computer Music Conference (ICMC), Belfast, UK, 2008
downloadBibTeX
25. Geier, M.; Ahrens, J.; Spors, S.:
The SoundScape Renderer: A Unified Spatial Audio Reproduction Framework for Arbitrary Rendering Methods. 124th Convention of the Audio Engineering Society, Amsterdam, The Netherlands, 2008
downloadBibTeX
26. Bredies, K.; Mann, N. A.; Ahrens, J.; Geier, M.; Spors, S.; Nischt, M.:
The Multi-Touch SoundScape Renderer. 9th International Working Conference on Advanced Visual Interfaces, Napoli, Italy, 2008
downloadBibTeX
27. Geier, M.; Ahrens, J.; Spors, S.:
ASDF: Ein XML Format zur Beschreibung von virtuellen 3D-Audioszenen. 34rd German Annual Conference on Acoustics (DAGA), Dresden, Germany, 2008
downloadBibTeX
28. Geier, M.; Ahrens, J.; Möhl, A.; Spors, S.; Loh, J.; Bredies, K.:
The Soundscape Renderer: A Versatile Framework for Spatial Audio Reproduction. Proceedings of the DEGA WFS Symposium, Ilmenau, Germany, 2007
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