Dictionary.com
definitions
  • synonyms

pulse-code modulation

[puhls-kohd]
See more synonyms on Thesaurus.com
noun 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. Abbreviation: PCM

Origin of pulse-code modulation

First recorded in 1945–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018