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A command that creates a Pitch object from every selected Sound object.
to perform a pitch analysis based on a cross-correlation method.
The algorithm performs an acoustic periodicity detection on the basis of a forward cross-correlation analysis.
Note that if you set the time step to zero, the analysis windows for consecutive measurements will overlap appreciably: Praat will always compute 4 pitch values within one window length, i.e., the degree of oversampling is 4.
The other settings are the same as for Sound: To Pitch (ac)....
The preferred method for speech is Sound: To Pitch.... The command described here is mainly for experimenting, or for applications where you need short time windows.
© ppgb 20030916