Analog and Digital Conversion/Differential Pulse-Coded Modulation

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Pulse Code Modulation[edit]

Pulse Code Modulation is a method of digital transmission of analog signal. PCM converts the analog to Digital singal. Process of PCM: sampling--> Quantization--->Channel--->Hold Ckt--->LPF--->original signal.

Differential PCM[edit]

Bandwidth[edit]