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The Modified Group Delay Function And Its Application To Phoneme (2003)  (Make Corrections)  
Recognition Hema A Murthy Department of Computer Science Engineering, Indian ...



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Abstract: We explore a new spectral representation of speech signals through group delay functions. The group delay functions by themselves are noisy and difficult to interpret owing to zeroes that are close to the unit circle in the z-domain and these clutter the spectra. A new modified group delay function [1] that reduces the effects of zeroes close to the unit circle is used. Assuming that this new function is minimum phase, the modified group delay spectrum is converted to a sequence of cepstral... (Update)

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BibTeX entry:   (Update)

@misc{ murthy-modified,
  author = "Recognition Hema Murthy",
  title = "The Modified Group Delay Function And Its Application To Phoneme",
  url = "citeseer.ist.psu.edu/624041.html" }
Citations (may not include all citations):
10   A new phase unwrapping algorithm (context) - Tribolet - 1977
5   Formant extraction from linear prediction phase spectrum (context) - Yegnanarayana - 1978
4   Significance of group delay functions in signal reconstructi.. (context) - Yegnanarayana, Saikia et al. - 1984
2   Speech in Noisy Environments (context) - Laboratory - 2001
1   Significance of group delay functions in spectrum estimation (context) - Yegnanarayan, Murthy - 1992
1   The SRI SPINE (context) - Gadde, Stolcke et al. - 2001
1   NJ: Prentice hall signal processing series (context) - Oppenheim, Schafer et al. - 1998
1   Noise-invariant representation for speech signals (context) - Bayya, Yegnanarayana - 1999
1   Switchboard corpus (context) - Consortium - 1995

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