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A New Design Method for Broadband Microphone Arrays for Speech Input in Automobiles

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Author

  • K.F.C Yui
  • Nedelko Grbic
  • K.L. Teo
  • Sven Nordholm

Summary, in English

A new design method for broadband microphone arrays is presented. Using sequences of calibration signals, the method is able to design finite-impulse response (FIR) filters with specific performance. The method can control and adjust the speech distortion, noise suppression, and echo cancellation directly. It turns out that a significantly shorter filter length can be applied to achieve better overall performance than the least-squares method or the signal-to-noise plus interference method.

Publishing year

2002

Language

English

Pages

222-224

Publication/Series

IEEE Signal Processing Letters

Volume

9

Issue

7

Document type

Journal article

Publisher

IEEE - Institute of Electrical and Electronics Engineers Inc.

Topic

  • Electrical Engineering, Electronic Engineering, Information Engineering

Status

Published

ISBN/ISSN/Other

  • ISSN: 1070-9908