Cepstrum
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Revision as of 18:25, 5 September 2009
A cepstrum is a Fourier transform of the logarithm of the Fourier transform of a signal. Cepstrums contain information about the phase and magnitude of a signal, and allow for efficient computation or for reconstruction of the signal.
Use in Speech Recognition
Cepstrums can be used as feature vectors for representing the human voice.
