Opens in a new tab

AES E-Library

← Back to search

Convention Paper

Low Complexity Bit Allocation Algorithms for MP3/AAC Encoding

Authors: Nithin, S.; Sreenivas, T. V.; Suresh, Kumaraswamy

AES Convention 124 · Paper 7339 · May 2008

Abstract

We have developed two reduced complexity bit-allocation
algorithms
for MP3/AAC based audio encoding, which can be useful at low bit-rates. One
algorithm derives optimum bit-allocation using constrained optimization of
weighted noise-to-mask ratio and the second algorithm uses decoupled
iterations for distortion control and rate control, with convergence
criteria. MUSHRA based evaluation indicated that the new algorithm
would be comparable to AAC but requiring only about 1/10 th the
complexity.

Details

Published in
AES Convention 124
AES Convention
124
Paper number
7339
Publication date
May 6, 2008
Session subject
Low Bit-Rate Audio Coding
Affiliation
NITK Surathkal ;Indian Institute of Science (See document for exact affiliation information.)
Type
Convention Paper