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Low complexity Bit allocation algorithms for AAC encoding

Nithin, S and Suresh, K and Sreenivas, TV (2008) Low complexity Bit allocation algorithms for AAC encoding. In: Audio Engg. Soc. 124th Convention, Amsterdam.

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Official URL: http://www.aes.org/e-lib/browse.cfm?elib=14469

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.

Item Type: Conference Paper
Additional Information: Copyright of this article belongs to Audio Engineering Society. Inc.
Department/Centre: Division of Electrical Sciences > Electrical Communication Engineering
Date Deposited: 20 Sep 2011 07:22
Last Modified: 20 Sep 2011 07:22
URI: http://eprints.iisc.ernet.in/id/eprint/40611

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