pulse-code modulation: Meaning and Definition of

pulse'-code modula"tion

Pronunciation: (puls'kōd"), [key]
— Telecommunications. Telecommunications.
  1. a form of modulation that transforms a wave-form, as an audio signal, into a binary signal in which information is conveyed by a coded order of pulses for transmission, storage on a disk, or processing by a computer. Abbr.: PCM
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
pulsebeat pulse dialing
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