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Glottal source estimation using a sum-of-exponentials model

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1 Author(s)
Krishnamurthy, A.K. ; Dept. of Electr. Eng., Ohio State Univ., Columbus, OH, USA

An algorithm for estimating the glottal source waveform in voiced speech is described. The glottal source waveform is described using the LF model proposed by Fant et al. (1985). The vocal tract filter is modeled as a pole-zero system. The analysis of vowel sounds from several talkers shows that the analysis procedure leads to an accurate estimate of the glottal source

Published in:

Signal Processing, IEEE Transactions on  (Volume:40 ,  Issue: 3 )

Date of Publication:

Mar 1992

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