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1) It greatly simplifies the design of the low pass filter which follows the DAC, which has to attenuate the aliasing noise but not the signal. Oversampling increases the gap between these, simplifying the low pass filter.

2) It allows for interpolation and thus much lower sine wave distortion figures.

3) It allows for superior DAC architectures such as delta-sigma and 1 bit DACs.

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16y ago

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