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

Thanks. My library had a copy on the shelf and I have obtained it.

Cheers,

Ross-c