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

Origin of pulse-code modulation

First recorded in 1945–50

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 pulses Abbreviation: pcm