pulse-code modulation

[ puhls-kohd ]

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. : PCM

pulse code modulation

noun

1. electronics a form of pulse modulation in which the information is carried by coded groups of pulses pcm

Word History and Origins

Origin of pulse-code modulation¹

First recorded in 1945–50