This topic comes up regularly in the comp.dsp newsgroup. Question 2.5 of the FAQ posting for comp.dsp gives a comprehensive list of references on the definition, perception and processing of pitch. The comp.dsp FAQ posting is posted regularly to the comp.dsp newsgroup, and is also available by ftp and on the WWW:
The following provide pitch tracking software:
Section 2 of the
comp.speech FAQ Home Page.
Jump to SpeechLinks, [Q2.1], [Q2.3], [Q2.4], [Q2.5], [Q2.6], [Q2.7], [Q2.8]
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