What is ADPCM?

Q.  Which lossy method for audio compression is responsible for encoding the difference between two consecutive samples?
- Published on 20 Nov 15

a. Silence Compression
b. Linear Predictive Coding (LPC)
c. Adaptive Differential Pulse Code modulation (ADPCM)
d. Code Excited Linear Predictor (CELP)

ANSWER: Adaptive Differential Pulse Code modulation (ADPCM)

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