A digital signal processing algorithm is discussed which reduces the digital audio data rate required for disk recording and editing applications. A programmable microprocessor processes the audio samples subject to data rate, quality, and disk performance constraints. One mode of operation preserves full 16-bit data integrity while reducing storage requirements by a factor of two or more. Another mode provides a selection of lower data rates while optimizing subjective quality. Audio measurements and field use reports are presented.
Authors:
Stautner, John; Jayasimha, Sriram
Affiliation:
CompuSonics / CompuSonics Video, Palo Alto, CA
AES Convention:
83 (October 1987)
Paper Number:
2516
Publication Date:
October 1, 1987
Subject:
Analog and Digital Signal Processing
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