Springer Topics in Signal Processing

Study and Design of Differential Microphone Arrays

Authors: Benesty, Jacob, Jingdong, Chen

  • Provides a systematic study of differential microphone arrays from a signal processing perspective
  • Develops fundamental theory and algorithms
  • Explores to analyze and explain DMAs’ performance and limitations
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About this book

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 output tends to have a frequency-dependent response. One exception, perhaps, is the family of differential microphone arrays (DMAs) who 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. The theory includes some signal processing techniques for the design of commonly used first-order, second-order, third-order, and also the general Nth-order DMAs. For each order, particular examples are given on how to form standard directional patterns such as the dipole, cardioid, supercardioid, hypercardioid, subcardioid, and quadrupole. The study demonstrates the performance of the different order DMAs in terms of beampattern, directivity factor, white noise gain, and gain for point sources. The inherent relationship between differential processing and adaptive beamforming is discussed, which provides a better understanding of DMAs and why they can achieve high directional gain. Finally, we show how to design DMAs that can be robust against white noise amplification.

Table of contents (7 chapters)

  • Introduction

    Benesty, Jacob (et al.)

    Pages 1-13

  • Problem Formulation

    Benesty, Jacob (et al.)

    Pages 15-31

  • Study and Design of First-Order Differential Arrays

    Benesty, Jacob (et al.)

    Pages 33-58

  • Study and Design of Second-Order Differential Arrays

    Benesty, Jacob (et al.)

    Pages 59-93

  • Study and Design of Third-Order Differential Arrays with Three Distinct Nulls

    Benesty, Jacob (et al.)

    Pages 95-113

Buy this book

eBook $109.00
price for USA (gross)
  • ISBN 978-3-642-33753-6
  • Digitally watermarked, DRM-free
  • Included format: PDF
  • ebooks can be used on all reading devices
  • Immediate eBook download after purchase
Hardcover $149.00
price for USA
  • ISBN 978-3-642-33752-9
  • Free shipping for individuals worldwide
  • Usually dispatched within 3 to 5 business days.
Softcover $149.00
price for USA
  • ISBN 978-3-642-42756-5
  • Free shipping for individuals worldwide
  • Usually dispatched within 3 to 5 business days.
Rent the ebook  
  • Rental duration: 1 or 6 month
  • low-cost access
  • online reader with highlighting and note-making option
  • can be used across all devices
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Bibliographic Information

Bibliographic Information
Book Title
Study and Design of Differential Microphone Arrays
Authors
Series Title
Springer Topics in Signal Processing
Series Volume
6
Copyright
2013
Publisher
Springer-Verlag Berlin Heidelberg
Copyright Holder
Springer-Verlag Berlin Heidelberg
eBook ISBN
978-3-642-33753-6
DOI
10.1007/978-3-642-33753-6
Hardcover ISBN
978-3-642-33752-9
Softcover ISBN
978-3-642-42756-5
Series ISSN
1866-2609
Edition Number
1
Number of Pages
VIII, 184
Topics