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IEICE Transactions on Information and Systems 2008 E91-D(3):393-401; doi:10.1093/ietisy/e91-d.3.393
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Copyright © 2008 The Institute of Electronics, Information and Communication Engineers

Special Section on Robust Speech Processing in Realistic Environments -- Papers

Signal Processing Techniques for Robust Speech Recognition

Futoshi ASANO1

1 The author is with AIST, Tsukuba-shi, 305–8568 Japan. E-mail: f.asano{at}aist.go.jp


  Abstract

In this paper, signal processing techniques which can be applied to automatic speech recognition to improve its robustness are reviewed. The choice of signal processing techniques is strongly dependent on the scenario of the applications. The analysis of scenario and the choice of suitable signal processing techniques are shown through two examples.

Key Words: signal processing, automatic speech recognition, robustness

Manuscript received August 3, 2007. Manuscript revised September 28, 2007.


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