PCM$503493$ - translation to English
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PCM$503493$ - translation to English

FILE FORMAT
Packed PCM

PCM      
PCM, Pulse Code Modulation, Methode zur Vermittlung eines analogen Tonsignals als digiales Data
Adaptive Differential Pulse Code Modulation         
TECHNIQUE USED TO ENCODE VOICES IN TELEPHONY
ADPCM; IMA ADPCM; Adaptive Differential Pulse Code Modulation; Adaptive quantization; Adaptive Differential Pulse-Code Modulation; SB-ADPCM; Sub-band ADPCM; Adaptive DPCM; Sub-band adaptive differential pulse-code modulation; Adaptive differential PCM
digitale Schwingungskomprimierung (eine Komprimierungsmethode für Audiodateien)

Definition

Pulse Code Modulation
<data> (PCM) A method by which an audio signal is represented as digital data. Virtually all digital audio systems use PCM, including, CD, DAT, F1 format, 1630 format, DASH, DCC, and MD. Many people get confused because "PCM" is also slang for Sony's F1 format which stores PCM digital audio on videotape. (1995-02-09)

Wikipedia

Meridian Lossless Packing

Meridian Lossless Packing, also known as Packed PCM (PPCM), is a lossless compression technique for PCM audio data developed by Meridian Audio, Ltd. MLP is the standard lossless compression method for DVD-Audio content (often advertised with the Advanced Resolution logo) and typically provides about 1.5:1 compression on most music material. All DVD-Audio players are equipped with MLP decoding, while its use on the discs themselves is at their producers' discretion.

Dolby TrueHD, used in Archival Disc Blu-ray and HD DVD, employs MLP, but compared with DVD-Audio, adds higher bit rates, 8 full-range channels, extensive metadata, and custom speaker placements (as specified by SMPTE).