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by: Heinz Teutsch  Availability: Usually ships in 4 to 7 weeks
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Binding: PaperbackDewey Decimal Number: 621 EAN: 9783540408932 Edition: 1 ISBN: 3540408932 Label: Springer Manufacturer: Springer Number Of Items: 1 Number Of Pages: 253 Publication Date: March 05, 2007 Publisher: Springer Studio: Springer Browse for similar items by category: Click to Display Editorial Review: Product Description: 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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