Stereophonic Microphone Array for the Recording of the Direct Sound Field in a Reverberant Environment
AbstractState-of-the-art stereo recording techniques using two microphones have two main disadvantages: first, a limited reduction of the reverberation in the direct sound component, and second, compression or expansion of the angular position of sound sources. To address these disadvantages, the aim of this study is the development of a true stereo recording microphone array that aims to record the direct and reverberant sound field separately. This array can be used within the recording and playback configuration developed in Grosse and van de Par, 2015. Instead of using only two microphones, the proposed method combines two logarithmically-spaced microphone arrays, whose directivity patterns are optimized with a superdirective beamforming algorithm. The optimization allows us to have a better control of the overall beam pattern and of interchannel level differences. A comparison between the newly-proposed system and existing microphone techniques shows a lower percentage of the recorded reverberance within the sound field. View Full-Text
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Gößwein, J.A.; Grosse, J.; van de Par, S. Stereophonic Microphone Array for the Recording of the Direct Sound Field in a Reverberant Environment. Appl. Sci. 2017, 7, 541.
Gößwein JA, Grosse J, van de Par S. Stereophonic Microphone Array for the Recording of the Direct Sound Field in a Reverberant Environment. Applied Sciences. 2017; 7(6):541.Chicago/Turabian Style
Gößwein, Jonathan A.; Grosse, Julian; van de Par, Steven. 2017. "Stereophonic Microphone Array for the Recording of the Direct Sound Field in a Reverberant Environment." Appl. Sci. 7, no. 6: 541.
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