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