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PCM stands for pulse code modulation. In the context of audio coding PCM encodes an audio waveform in the time domain as a series of amplitudes.

PCM Parameters

Resolution/Sample Size

Byte Order


Channels And Interleaving

Frequency And Sample Rate

Integer And Floating Point

PCM Types

Linear PCM

Logarithmic PCM

Platform-Specific PCM Identifiers And Characteristics


Microsoft WAV/AVI/ASF Identifiers

Apple Macintosh

Apple QuickTime Identifiers

Redbook CD Audio

Sega CD

Identifying PCM Data