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New methods of pitch extraction

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1 Author(s)
Sondhi, M.M. ; Bell Telephone Laboratories, Murray Hill, N.J., USA

Three new methods will be described for the extraction of the fundamental pitch from a speech signal. These are: 1) spectrum flattening followed by a minimum phase correction to synchronize harmonics 2) spectrum flattening followed by auto-correlation, and 3) nonlinear distortion followed by autocorrelation. The last two methods will be shown to be exceptionally rugged, in that they can tolerate a considerable amount of high-pass filtering and additive noise with little degradation in performance.

Published in:

Audio and Electroacoustics, IEEE Transactions on  (Volume:16 ,  Issue: 2 )