pulse-code modulation

(redirected from Adaptive Differential PCM)

pulse-code modulation

[′pəls ¦kōd ‚mäj·ə′lā·shən]
(communications)
Modulation in which the peak-to-peak amplitude range of the signal to be transmitted is divided into a number of standard values, each having its own code; each sample of the signal is then transmitted as the code for the nearest standard amplitude. Abbreviated PCM.
References in periodicals archive ?
The Entropia chip leads the market with the capability to process 336 channels of either Pulse Code Modulation (PCM) or Adaptive Differential PCM (ADPCM) on a single chip.
The Entropia chip leads the market with capability to process 336 channels of either Pulse Code Modulation (PCM) or Adaptive Differential PCM (ADPCM) on a single chip.
The Entropia chips for the enterprise market support industry-leading 64, 48, 32, or 24-channel densities using Pulse Code Modulation (PCM) or Adaptive Differential PCM (ADPCM).
Entropia provided support for 256 full duplex Adaptive Differential PCM (ADPCM32) AAL2 channels in its initial release in July 2000.

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