Homework Eight

How does a CD player work with no oversampling, but digital filtering (1x oversampling)?

Nick Christman

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Recall that when the audio for a music CD is produced it has an infinite amount of data points which can be expressed as $x(t)$ in the time domain and $X(f)$ in the frequency domain, as follows

Audio data as a function of time, x(t)

Audio data as a function of frequency, X(f)

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