pulse-code modulation

[ puhls-kohd ]
/ ˈpʌlsˌkoʊd /

noun Telecommunications.

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

Nearby words

  1. pulse rate,
  2. pulse repetition frequency,
  3. pulse therapy,
  4. pulse wave,
  5. pulse-amplitude modulation,
  6. pulse-time modulation,
  7. pulsebeat,
  8. pulsejet,
  9. pulsejet engine,
  10. pulseless disease

Origin of pulse-code modulation

First recorded in 1945–50

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019


British Dictionary definitions for pulse code modulation

pulse code modulation

noun

electronics a form of pulse modulation in which the information is carried by coded groups of pulsesAbbreviation: pcm
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012