Group-Delay-Deviation Based Spectral Analysis of Speech

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Title Group-Delay-Deviation Based Spectral Analysis of Speech
Author Stark, Anthony Phillip; Paliwal, Kuldip Kumar
Publication Title Proceedings of Interspeech 2009
Editor Maria Uther, Roger Moore, Stephen Cox
Year Published 2009
Place of publication Rundle Mall, SA
Publisher Causal Productions
Abstract In this paper, we investigate a new method for extracting useful information from the group delay spectrum of speech. The group delay spectrum is often poorly behaved and noisy. In the literature, various methods have been proposed to address this problem. However, to make the group delay a more tractable function, these methods have typically relied upon some modification of the underlying speech signal. The method proposed in this paper does not require such modifications. To accomplish this, we investigate a new function derived from the group delay spectrum, namely the group delay deviation. We use it for both narrowband analysis and wideband analysis of speech and show that this function exhibits meaningful formant and pitch information.
Peer Reviewed Yes
Published Yes
Publisher URI
ISBN 1990-9772
Conference name Interspeech 2009
Location Brighton, U.K.
Date From 2009-09-06
Date To 2009-09-10
Date Accessioned 2010-03-10
Language en_AU
Research Centre Institute for Integrated and Intelligent Systems
Faculty Faculty of Science, Environment, Engineering and Technology
Subject Signal Processing
Publication Type Conference Publications (Full Written Paper - Refereed)
Publication Type Code e1

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