Why is PCM called a modulation technique?
49 Views|Posted 2015-11-26 15:34:40
Asked by Sneha Lal
1 Answer
Answered by
2015-11-27 15:20:01
Hi Sneha,
The name is because it is much more complicated than mere Amplitude, phase or frequency modulation. You are not just changing the parameters of the basic waveform.The method used is counter intuitive and not direct. It involves first sampling ie taking the snap shot of the waveform at var
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