17 Aug 2004
CS 5244: Multimedia
35/44
Sampling
¡Take continuous signal and discretize
¡Higher sampling rate = better fidelity
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¡Nyquist and Shannon show minimum sampling rate = 2 × bandwidth
lMusic: full dynamic range: ~ 22K × 2 = 44K
lSpeech: 4K × 2 = 8 K