The cepstrum is a type of signal processing technique used primarily in the analysis of signals, particularly in applications like speech processing, image analysis, and seismic data processing. It is derived from the spectrum of a signal, but it involves manipulating the Fourier transform of that signal. Here’s a more detailed explanation of the concept: ### Definition The cepstrum of a signal is defined as the inverse Fourier transform of the logarithm of the power spectrum of the signal.
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