Author Archives: matthias.geier

Online Exercises for Communication Acoustics

The exercises to our course “Communication Acoustics” are available online: Communication Acoustics Exercises For most exercises, we are using the programming language Python within Jupyter notebooks. You can read a static online version of the exercises using the link above, … Continue reading

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The APF repository is online!

Yesterday we uploaded all the code of the Audio Processing Framework (APF) to its new home at http://AudioProcessingFramework.github.io/. So if you need some C++ code, have a look there! It offers a multi-threaded realtime environment for multichannel applications, a (uniformly) … Continue reading

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First Release of the Audio Processing Framework (APF)

We collected some generic C++ code which we programmed over the last few years and bundled it into the so-called Audio Processing Framework (APF). That’s the website: http://tu-berlin.de/?apf More details (including downloads and Doxygen documentation) are here: http://dev.qu.tu-berlin.de/projects/apf/wiki It will … Continue reading

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Using the RME MADIface on Linux

If you want to use the RME MADIface on Linux, it probably doesn’t work right away. The latest version of ALSA (1.0.24) – which is probably already installed on your computer – is from January 2011. However, there was a lot … Continue reading

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Presentation about Using the SoundScape Renderer for Psychoacoustic Experiments

I just held a presentation called “Conducting Psychoacoustic Experiments with the SoundScape Renderer” where it was shown how to use the SSR for subjective tests involving spatial audio. The slides can be downloaded here. The corresponding paper is available here. … Continue reading

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Updating multiple SVN working copies at once.

This is not really audio related, but maybe someone is interested anyway … We use Subversion (SVN) for several different things — software, papers, scripts — and one of the most common tasks is to update working copies all over … Continue reading

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Audio Examples for the Paper “Perceptual Evaluation of Focused Sources in Wave Field Synthesis”, 128th AES Conv., London.

This post contains supplementary audio examples for the paper: Geier, Wierstorf, Ahrens, Wechsung, Raake, Spors: Perceptual Evaluation of Focused Sources in Wave Field Synthesis. 128th AES Convention, London, May 2010. Please use headphones to appreciate the spatial information! The provided … Continue reading

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