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Audio Sample Rate

Analog signals are described by a continuous fluctuation of voltage. The analog signal is converted to a digital signal by being measured periodically, or sampled. If you think of the original audio as a curve, then you can think of the digital audio as a connect-the-dots version of that curve (Figures 16.32 and 16.33). The more dots (samples) you have, the more accurately you can reproduce the original curve.


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