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Author Archives: Jens Ahrens
MATLAB scripts for ambisonic encoding of signals from EMAs and SMAs
You might recall our work on equatorial microphone arrays, EMAs, (which are composed of a spherical baffle with microphones along its equator) that we highlighted in this post and demoed in this post. Such a setup needs only 2N+1 microphones to … Continue reading
A Head-Mounted Microphone Array
We recently presented our first version of a head-mounted microphone array in this paper: J. Ahrens, H. Helmholz, D. L. Alon, S. V. Amengual Garí, “Spherical Harmonic Decomposition of a Sound Field Based on Microphones Around the Circumference of a … Continue reading
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Database of Sound Source Directivities
We have collected a considerable amount of measurement data on sound source directivities: https://github.com/AppliedAcousticsChalmers/sound-source-directivities The sources are mostly loudspeakers, the human voice, and musical instruments that are used in classical orchestras. Here’s an example set of balloon plots of the directivity of … Continue reading
Posted in data, Reproducible Research
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SoundScape Renderer Version 0.5.0 is Available
A new version is available including a macOS app bundle: http://spatialaudio.net/ssr/download/ The code repository is here: https://github.com/SoundScapeRenderer/ssr Here’s a brief summary of the changes: GUI now uses Qt5 The exponent that determines distance attenuation of the amplitude in the virtual … Continue reading
Book on Sound Field Synthesis
I proudly announce that some time ago, I submitted the manuscript of a monography on sound field synthesis to Springer who will publish it under the title Analytic Methods of Sound Field Synthesis in spring 2012. You can find the … Continue reading
Audio examples for paper Ahrens, Spors: “Two Physical Models for Spatially Extended Virtual Sound Sources” 131st Convention of the AES, 2011
Below you will find audio examples for the paper Jens Ahrens and Sascha Spors: “Two Physical Models for Spatially Extended Virtual Sound Sources”, 131st Convention of the AES, New York City, NY, USA 2011 [ pdf ] Download the zipped … Continue reading
Doctoral dissertation on sound field synthesis
I have recently finished the official version of my doctoral dissertation on the theory of sound field synthesis. You can obtain a pdf from here. Please cite as Jens Ahrens: The Single-layer Potential Approach Applied to Sound Field Synthesis Including … Continue reading
Audio examples for paper “Ahrens, Wierstorf, Spors: Comparison of Higher Order Ambisonics And Wave Field Synthesis With Respect to Spatial Discretization Artifacts in Time Domain. 40th AES Conference”
This post provides supplementary audio examples for the paper Jens Ahrens, Hagen Wierstorf, and Sascha Spors: Comparison of Higher Order Ambisonics And Wave Field Synthesis With Respect to Spatial Discretization Artifacts in Time Domain. 40th Conference of the AES, Tokyo, … Continue reading
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Tagged audio examples, Higher-Order Ambisonics, Wave Field Synthesis
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