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Author Archives: Sascha Spors
Sonification of EEG Signals
My former colleague Robert Schleicher and his team at Quality and Usability Lab (TU Berlin) has released a set of OpenSource tools to capture and visualize Electroencephalography (EEG) signals from Emotiv EPOC and BrainVision BrainAmp devices. Take a look at … Continue reading
Paper: How to Design a Delay-and-Sum Beamformer for Rigid Rotationally Symmetric Arrays?
Karim Helwani has presented a paper at the Asilomar Conference on Signals, Systems, and Computers on beamforming algorithms for microphone arrays with acoustically rigid surfaces. Principles from Wave Field Synthesis and time-reversal acoustics are used to derive computationally efficient and … Continue reading
Posted in Publications
Tagged beamforming, microphone array, time-reversal acoustics, Wave Field Synthesis
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Maintenance release of the SoundScape Renderer
A maintenance release of the SoundScape Renderer (SSR) is available. The major changes are several bugfixes and improvements fixed Polhemus tracker support on MacOSX introduced “reference offset” for tracking people within loudspeaker arrays The new release 0.3.4 (“Pianoforte”) can be … Continue reading
Maintenance release of the SoundScape Renderer
Release 0.3.4 (“Pianoforte”) of the SoundScape Renderer (SSR) is available. It fixes a number of minor bugs. Find more infomation in this post of the Spatial Audio Research BLOG of the TU Berlin.
Paper: Localization of a virtual point source within the listening area for Wave Field Synthesis
Hagen Wierstorf has presented a conference paper at the 133rd Convention of the Audio Engineering Society in San Fransisco. The paper investigates the localization properties of Wave Field Synthesis at different listening positions with the listening area for different array … Continue reading
Paper: Perception and evaluation of sound fields
In a recent paper the percetual evaluation of sound fields created by Sound Field Synthesis is discussed: H. Wierstorf, S. Spors, and A. Raake. Perception and evaluation of sound fields. In Open Seminar on Acoustics, September 2012. Abstract– Sound field … Continue reading
Posted in Publications
Tagged Binaural Synthesis, Evaluation, Localization, Perception, Sound Field Synthesis
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Article: A Modal Analysis of Spatial Discretization of Spherical Loudspeaker Distributions Used for Sound Field Synthesis
In a recent article the spatial discretization of a spherical secondary source distribution was discussed in depth: J. Ahrens and S. Spors. A modal analysis of spatial discretization in spherical loudspeaker arrays used for sound field synthesis. IEEE Transactions on … Continue reading
Article: SEACEN Research Group in DFG Magazine
An article (in German) summarising the activities of the DFG reserach group ‘Simulation and Evaluation of Acoustic Environments (SEACEN)‘ has been published in the Journal of the Deutsche Forschungsgemeinschaft (DFG). You can download a PDF of the issue here.
New Affiliation
After working seven years at the Quality and Usability Lab of Deutsche Telekom Laboratories I take on a fresh challenge. I am now heading the Signal Theory and Digital Signal Processing group as professor at the Institute of Communications Engineering … Continue reading
