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adaptive-differential pulse-code modulated codec

Pulse-code modulation — PCM redirects here. For other uses, see PCM (disambiguation). Pulse code modulation (PCM) is a method used to digitally represent sampled analog signals. It is the standard form for digital audio in computers and various Blu ray, Compact Disc and … Wikipedia
Delta modulation — Principle of the delta PWM. The output signal (blue) is compared with the limits (green). These limits correspond to the reference signal (red), offset by a given value. Every time the output signal reaches one of the limits, the PWM signal… … Wikipedia
NICAM — This article is about a compression form for digital audio. For the media content rating institute, see Netherlands Institute for the Classification of Audiovisual Media. NICAM stands for Near Instantaneous Companded Audio Multiplex. It is an… … Wikipedia
Digital sound revolution — The digital sound revolution (or digital audio revolution) refers to the widespread adoption of digital audio technology in the computer industry beginning in the 1980s. Contents 1 Prior methods 1.1 Software based pulse width modulation 1.2 FM… … Wikipedia
Modulation — For musical change of key, see Modulation (music). For other uses, see Modulation (disambiguation). Passband modulation v · d · e … Wikipedia