Spectral/temporal Approaches
Spectral/temporal pitch detection algorithms, e.g. the YAAPT pitch tracking, are based upon a combination of time domain processing using an autocorrelation function such as normalized cross correlation, and frequency domain processing utilizing spectral information to identify the pitch. Then, among the candidates estimated from the two domains, a final pitch track can be computed using dynamic programming. The advantage of these approaches is that the tracking error in one domain can be reduced by the process in the other domain.
Read more about this topic: Pitch Detection Algorithm
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