A fast integer-based MPEG-1, Layer II audio decoder is obtained using a scaled Chen DCT and truncation of perceptually insignificant coefficients. These algorithms and CPU scalability enhancements yield a 60% speed improvement over a direct integer implementation of the standard.
Authors:
Hans, Mathieu C.; Bhaskaran, Vasudev
Affiliations:
Georgia Institute of Technology, Atlanta, GA ; Hewlett-Packard Laboratories, Palo Alto, CA(See document for exact affiliation information.)
AES Convention:
101 (November 1996)
Paper Number:
4359
Publication Date:
November 1, 1996
Subject:
Signal Processing
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