Jacob Benesty, Jingdong Chen

Study and Design of Differential Microphone Arrays (eBook, PDF)

• Format: PDF

Produktbeschreibung

Microphone arrays have attracted a lot of interest over the last few decades since they have the potential to solve many important problems such as noise reduction/speech enhancement, source separation, dereverberation, spatial sound recording, and source localization/tracking, to name a few. However, the design and implementation of microphone arrays with beamforming algorithms is not a trivial task when it comes to processing broadband signals such as speech. Indeed, in most sensor arrangements, the beamformer tends to have a frequency-dependent response. One exception, perhaps, is the family of differential microphone arrays (DMAs) that have the promise to form frequency-independent responses. Moreover, they have the potential to attain high directional gains with small and compact apertures. As a result, this type of microphone arrays has drawn much research and development attention recently. This book is intended to provide a systematic study of DMAs from a signal processing perspective. The primary objective is to develop a rigorous but yet simple theory for the design, implementation, and performance analysis of DMAs.

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Produktdetails

• Verlag: Springer Berlin Heidelberg
• Seitenzahl: 184
• Erscheinungstermin: 22. Oktober 2012
• Englisch
• ISBN-13: 9783642337536
• Artikelnr.: 37799708

Inhaltsangabe

Introduction.- Problem Formulation.- Study and Design of First-Order Differential Arrays.- Study and Design of Second-Order Differential Arrays.- Study and Design of Third-Order Differential Arrays with Three Distinct Nulls.- Minimum-Norm Solution for Robust Differential Arrays.- Study and Design of Differential Arrays with the MacLaurin's Series Approximation.