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Extrema based unwarping for time-varying pitch estimation

Ghosh, Prasanta Kumar and Sreenivas, TV (2006) Extrema based unwarping for time-varying pitch estimation. In: Proceedings. National Conf. Communications (NCC), January 2006, New Delhi.

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We present an extrema based unwarping technique for signals with time-varying periodicity. We show that for arbitrary variation of pitch periodicity in speech signal,the unwarping technique maps the signals to periodic signals which enable eficient estimation of periodicity. We demonstrate the e�ectiveness of the new technique using both synthetic and real speech signals.

Item Type: Conference Paper
Department/Centre: Division of Electrical Sciences > Electrical Communication Engineering
Date Deposited: 11 Nov 2011 06:10
Last Modified: 11 Nov 2011 06:11
URI: http://eprints.iisc.ac.in/id/eprint/42032

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