Topic: Spectrogram, Cepstrum and Mel-Frequency Analysis
sine wave with 4 cycles per sec. Gives a peak at 4 Hz in frequency axis. Speech Technology - Kishore Prahallad (skishore@cs.cmu.edu) 29 Play a Mathematical Trick Spectral Envelope Spectrum Spectral details A pseudo-frequency axis Low Freq. region High Freq. region IFFT Treat this as a sine wave with 4 cycles per sec. Gives a peak
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