Design of Circular Differential Microphone Arrays
Authors: Benesty, Jacob, Jingdong, Chen, Cohen, Israel
Free Preview- Offers a completely novel and efficient way to design differential beamforming algorithms with linear microphone arrays
- Shows that the design small and compact differential arrays of any order is possible
- Gives many practical examples, proving that differential beamforming with circular microphone arrays is likely one of the best possible choices for speech enhancement
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- About this book
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Recently, we proposed a completely novel and efficient way to design differential beamforming algorithms for linear microphone arrays. Thanks to this very flexible approach, any order of differential arrays can be designed. Moreover, they can be made robust against white noise amplification, which is the main inconvenience in these types of arrays. The other well-known problem with linear arrays is that electronic steering is not really feasible.
In this book, we extend all these fundamental ideas to circular microphone arrays and show that we can design small and compact differential arrays of any order that can be electronically steered in many different directions and offer a good degree of control of the white noise amplification problem, high directional gain, and frequency-independent response. We also present a number of practical examples, demonstrating that differential beamforming with circular microphone arrays is likely one of the best candidates for applications involving speech enhancement (i.e., noise reduction and dereverberation). Nearly all of the material presented is new and will be of great interest to engineers, students, and researchers working with microphone arrays and their applications in all types of telecommunications, security and surveillance contexts.
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Bibliographic Information
- Bibliographic Information
-
- Book Title
- Design of Circular Differential Microphone Arrays
- Authors
-
- Jacob Benesty
- Chen Jingdong
- Israel Cohen
- Series Title
- Springer Topics in Signal Processing
- Series Volume
- 12
- Copyright
- 2015
- Publisher
- Springer International Publishing
- Copyright Holder
- Springer International Publishing Switzerland
- eBook ISBN
- 978-3-319-14842-7
- DOI
- 10.1007/978-3-319-14842-7
- Hardcover ISBN
- 978-3-319-14841-0
- Softcover ISBN
- 978-3-319-38566-2
- Series ISSN
- 1866-2609
- Edition Number
- 1
- Number of Pages
- IX, 166
- Number of Illustrations
- 2 b/w illustrations, 100 illustrations in colour
- Topics
