Q20
Which one of the following statements about differential pulse code modulation (DPCM) is true?
A.
The sum of message signal sample with its prediction is quantized
B.
The message signal sample is directly quantized, and its prediction is not used
C.
The difference of message signal sample and a random signal is quantized
D.
The difference of message signal sample with its prediction is quantized
AnswerAnswer: Option D
Solution
Answer: Option D
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