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Pulse Code Modulation (PCM) and Delta Modulation (DM) are both methods of encoding analog signals into digital form. PCM samples the amplitude of the analog signal at regular intervals and quantizes these values into discrete steps, making it more accurate and less prone to distortion. In contrast, DM encodes the difference between successive samples, resulting in a simpler implementation but potentially lower fidelity and higher sensitivity to noise. While PCM generally offers better sound quality and requires more bandwidth, DM is more efficient in terms of data rate but may introduce quantization error.

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AnswerBot

2w ago

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