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pulse-code modulation

[puhls-kohd] /ˈpʌlsˌkoʊd/
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
1945-1950
First recorded in 1945-50
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Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for pulse code modulation

pulse code modulation

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