1 definition found From The Free On-line Dictionary of Computing (27 SEP 03) [foldoc]: cepstrum(Coined in a 1963 paper by Bogert, Healey, and Tukey) The {Fourier transform} of the log-magnitude spectrum: fFt(ln( | fFt(window . signal) | )) This function is used in {speech recognition} and possibly elsewhere. Note that the outer transform is NOT an inverse Fourier transform (as reported in many respectable DSP texts). [What's it for?] (1997-01-07)
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