单词 | pulse-code modulation |
释义 | 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 modulationFirst recorded in 1945–50 Words nearby pulse-code modulationpulsator, pulsatory, pulse, pulse-amplitude modulation, pulsebeat, pulse-code modulation, pulse deficit, pulse dialing, pulse generator, pulse height analyser, pulsejet Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for pulse-code modulationpulse code modulation nounelectronics 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 |
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