Fast subband filtering in MPEG audio coding

1 February 1994

journal article
Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Signal Processing Letters

Vol. 1 (2) , 26-28
https://doi.org/10.1109/97.300309

Abstract

Subband filtering is one of the most compute-intensive operations in the MPEG audio coding standard. The author proves that the matrixing operations in MPEG subband filtering can be efficiently computed using fast 32-point DCT or inverse DCT (IDCT) algorithms.

Keywords

AUDIO CODING
DISCRETE COSINE TRANSFORMS
DECODING
FILTERING ALGORITHMS
FILTERS
BIT RATE

This publication has 2 references indexed in Scilit:

DISCRETE COSINE TRANSFORM
Published by Elsevier ,1990
A new algorithm to compute the discrete cosine Transform
IEEE Transactions on Acoustics, Speech, and Signal Processing, 1984