Question

Comparison between pcm and delta modulation

Answer 1

PCM:The analog speech waveformis sampled and converted directly intoa multibit digital code by an A/D converter. The code is stored and subsequently recalled for playback.DM:Only a single bit is stored for each sample. This bit 1 or 0, represents a greater than or less than condition, respectively as compared to the previous sample. An integrator is then used on the output to convert the stored nit stream to an analog signal.

Answer 2

ANSWER
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1. THE CODE IS STORED AND THAT IS RECALL FOR THE PLAYBACK.

2. IN THIS THERE IS ONLY STORE IN THE BIT