| Publisher | MP3-Tech | ||
|---|---|---|---|
| Format | WORD | Date added | 14 Aug 2003 |
| Topics | Data Compression, MP3 / Digital Formats, Music Media | ||
| Downloads | 99 | ||
The goal of the digital compression algorithm is to produce a digital representation of an audio signal which, when decoded and reproduced, sounds the same as the original signal, while using a minimum of digital information (bit-rate) for the compressed (or encoded) representation. The AC-3 digital compression algorithm specified in this document can encode from 1 to 5.1 channels of source audio from a PCM representation into a serial bit stream at data rates ranging from 32 kbps to 640 kbps. The 0.1 channel refers to a fractional bandwidth channel intended to convey only low frequency (subwoofer) signals.
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