CEPSTRUM
\sˈɛpstɹəm], \sˈɛpstɹəm], \s_ˈɛ_p_s_t_ɹ_ə_m]\
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(Coined in a 1963 paper by Bogert, Healey, andTukey) The Fourier transform of the log-magnitude spectrum:fFt(ln ( | fFt(window . signal) | ))This function is used in speech recognition and possiblyelsewhere. Note that the outer transform is NOT an inverseFourier transform (as reported in many respectable DSP texts).[What's it for?]
By Denis Howe
Word of the day
Snake's-head
- Guinea-hen flower; -- so called in England because its spotted petals resemble the scales of a snake's head.