pulse-code modulation

(redirected from Differential Pulse Code Modulation)
Also found in: Acronyms.

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 ?
For Voice over Digital Subscriber Line (VoDSL) applications, the MT90502 directly accepts Pulse Code Modulation (PCM) and Adaptive Differential Pulse Code Modulation (ADPCM) traffic for packetization.
Integrated Silicon Systems (ISS) -- The Multimedia ASVC Company(TM) today announced the immediate availability of a series of semiconductor IP core solutions for adaptive differential pulse code modulation (ADPCM) speech coding applications.
Oki Semiconductor today announced a single-rail, Adaptive Differential Pulse Code Modulation (ADPCM) Codec to serve high volume, cordless phone and wireless local loop (WLL) handset applications.
In this first phase of the agreement, ISS delivered Adaptive Differential Pulse Code Modulation (ADPCM) codecs and High-Level Data Link Control (HDLC) protocol controllers optimized for Xilinx products.

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