what is
What is PCM in Mac OS: used for working with audio, invented by Alec H. Reeves in 1937. Sometimes.

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PCM definition

Explanation: Pulse code modulation. A lossless encoding technique widely used for working with audio, invented by Alec H. Reeves in 1937. Sometimes called LPCM for linear pulse-code modulation, which distinguishes the process from ADPCM . In pulse-code modulation, an analog signal is linearly encoded to a series of binary numbers by sampling an analog signal at regular intervals. See also encoding , linear , quantization

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