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Hi. Does anyone have a good reference for pitch tracking by autocorrelation? I do note that there is a very long thread on this topic, but it's too long to follow. So far I've written a very straightforward program to calculate autocorrelation in a signal and also a crude envelope follower to approximate volume at each pixel. I now want to refine my approach and need a proper reference. What would people recommend? BTW: The signal will be monophonic human voice, and my application is a multimedia one which doesn't have too stringent accuracy requirements. Cheers, Ross-c______________________________
Rabiner & Schafer, Digital Processing of Speech Signals, Prentice-Hall, 1978, pp. 150-157. Cited therein: M.M. Sohndi, "New Methods of Pitch Extraction," IEEE Trans. Audio and Electroacoustics, Vol. AU-16, No. 2, pp. 262-266, June 1968. L.R. Rabiner, "On the Use of Autocorrelation for Pitch Detection," IEEE Trans. Acoust., Speech and Signal Proc., Vol ASSP-25, No. 1, pp. 24-33, Feb. 1977. cheers, jerry wolf______________________________