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6.4 Further Exploration 6.1 Digitization of Sound …

6.4 Further Exploration 6.1 Digitization of Sound …

Fundamentals of Multimedia, Chapter 6 The Nyquist theorem states how frequently we must sample in time to be able to recover the original sound. (a) Fig. 6.4(a) shows a single sinusoid: it is a single, pure, frequency (only electronic instruments can create such sounds). (b) If sampling rate just equals the actual frequency, Fig. 6.4(b) shows