CEPSTRUM


Meaning of CEPSTRUM in English

< mathematics > (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)

FOLDOC computer English dictionary.      Английский словарь по компьютерам FOLDOC.