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Low-Complexity Transform Coder for Satellite Link Applications

An audio coder system is discussed which allows the use of a 256 kbits/sec digital data channel to convey very high quality stereophonic signals. The system employs a practical implementation of adaptive transform coding to produce a low bit-rate coder with excellent sound quality and low computational complexity. A single programmable DSP chip is used to code stereophonic PCM audio data, including all data formatting, synchronization, and error correction operations.

Authors: Davidson, Grant; Fielder, Louis; Antill, Mike
Affiliation: Dolby Laboratories, Inc., San Francisco, CA
AES Convention:89 (September 1990) Paper Number:2966 Import into BibTeX
Subject:Digital Audio Technology

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