Modal array signal processing : principles and applications of acoustic wavefield decomposition /

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Bibliographic Details
Author / Creator:Teutsch, Heinz.
Imprint:Berlin ; New York : Springer, ©2007.
Description:1 online resource (xvi, 253 pages) : illustrations.
Language:English
Series:Lecture notes in control and information sciences ; 348
Lecture notes in control and information sciences ; 348.
Subject:
Format: E-Resource Book
URL for this record:http://pi.lib.uchicago.edu/1001/cat/bib/11066390
Hidden Bibliographic Details
ISBN:9783540408963
3540408967
3540408932
9783540408932
Notes:Includes bibliographical references (pages 243-250) and index.
Print version record.
Summary:Many applications of acoustic signal processing, such as teleconferencing and surveillance systems, require an estimate of several parameters present in the observed acoustic wavefield. The most important parameters are the number as well as the location of active acoustic sources. This book deals with the problem of detecting and localizing multiple simultaneously active wideband acoustic sources by applying the notion of wavefield decomposition using circular and spherical microphone arrays. The decomposed wavefield representation is used to serve as a basis for so-called modal array signal processing algorithms, which have the significant advantage over classical array signal processing algorithms that they inherently support multiple wideband acoustic sources. A rigorous derivation of modal array signal processing algorithms for unambiguous source detection and localization as well as performance evaluations by means of measurements using an actual real-time capable implementation are discussed.
Other form:Print version: Teutsch, Heinz. Modal array signal processing. Berlin ; New York : Springer, ©2007 3540408932 9783540408932

MARC

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505 0 |a Acoustic Wavefields -- Wavefield Decomposition -- Acoustic Scene Analysis Using Classical Array Signal Processing -- Acoustic Scene Analysis Using Modal Array Signal Processing -- A Practical Acoustic Scene Analysis System -- Summary and Conclusions. 
520 |a Many applications of acoustic signal processing, such as teleconferencing and surveillance systems, require an estimate of several parameters present in the observed acoustic wavefield. The most important parameters are the number as well as the location of active acoustic sources. This book deals with the problem of detecting and localizing multiple simultaneously active wideband acoustic sources by applying the notion of wavefield decomposition using circular and spherical microphone arrays. The decomposed wavefield representation is used to serve as a basis for so-called modal array signal processing algorithms, which have the significant advantage over classical array signal processing algorithms that they inherently support multiple wideband acoustic sources. A rigorous derivation of modal array signal processing algorithms for unambiguous source detection and localization as well as performance evaluations by means of measurements using an actual real-time capable implementation are discussed. 
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