| 释义 |
pulse code modulation
pulse code modulation n (Electronics) electronics a form of pulse modulation in which the information is carried by coded groups of pulses. Abbreviation: pcm Translations
pulse code modulation
pulse code modulation: see modulationmodulation,
in communications, process in which some characteristic of a wave (the carrier wave) is made to vary in accordance with an information-bearing signal wave (the modulating wave); demodulation is the process by which the original signal is recovered from the wave
..... Click the link for more information. .Pulse Code Modulation (data)(PCM) A method by which an audio signal is representedas digital data.
Virtually all digital audio systems use PCM, including, CD,DAT, F1 format, 1630 format, DASH, DCC, and MD. Many peopleget confused because "PCM" is also slang for Sony's F1 formatwhich stores PCM digital audio on videotape.MedicalSeePCMSee PCM
See PCMThesaurusSeemodulation |