ATIS Telecom Glossary
Tuesday, September 30, 2014

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differential pulse-code modulation (DPCM)
Pulse-code modulation in which an analog signal is sampled and the difference between the actual value of each sample and its predicted value, derived from the previous sample or samples, is quantized and converted, by encoding, to a digital signal. Note: There are several variations of differential pulse-code modulation.

 

 

 

 

 

 

 

 

 

 



 
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