Predicting the quality of sound pickup using microphone arrays

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Proceedings title1995 IEEE ASSP Workshop on Applications of Signal Processing to Audio and Acoustics : October 15-18, Mohonk Mountain House, New Paltz, New York.
ConferenceIEEE ASSP Workshop on Applications of Signal Processing to Audio and Acoustics, New Paltz, NY, USA, October 15-18, 1995
Pages161164; # of pages: 4
Subjectacoustic transducer arrays; architectural acoustics; array signal processing; audio quality; computer simulations; delay steered linear array; image method; linear microphone array; microphones; prediction theory; range resolution; reverberation; small room; sound pickup quality prediction; source positions; speech intelligibility; speech pickup; speech processing; spherical waves; sum steered linear array
AbstractThis paper addresses the problem of predicting audio quality for speech pickup using a linear microphone array. Computer simulations using the image method are used to show that the low reverberation typical of a small room does not affect speech intelligibility. A linear array steered for spherical waves is shown to produce substantial increases in predicted listener preference. The inability of the array to maintain these increases over all source positions in the room is attributed to the limited range resolution of a delay-and-sum steered linear array
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AffiliationNational Research Council Canada; NRC Institute for Microstructural Sciences
Peer reviewedNo
NPARC number12338895
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Record identifier6396039b-2771-48e2-8470-d63cf8d40e29
Record created2009-09-11
Record modified2016-05-09
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