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Title: Power-aware bandwidth and stereo-image scalable audio decoding
Authors: Huang, W.
Wang, Y. 
Chakraborty, S. 
Keywords: Bandwidth Stereo-image Scalable (BSS)
Low power processing
Issue Date: 2005
Source: Huang, W.,Wang, Y.,Chakraborty, S. (2005). Power-aware bandwidth and stereo-image scalable audio decoding. Proceedings of the 13th ACM International Conference on Multimedia, MM 2005 : 291-294. ScholarBank@NUS Repository.
Abstract: We propose a new workload-scalable audio decoding scheme that would enable users to control the tradeoff between playback quality and power consumption in battery-powered portable audio players. Our objective is to give users a control at the decoder side, similar to the Long Play (LP) recording mode at the encoder side in many media recording devices. The main contribution of this paper is a proposal for a Bandwidth and Stereo-image Scalable (BSS) decoding scheme for single-layer audio formats such as MP3. The proposed scheme is based on an analysis of the perceptual relevance of different audio components in the compressed bitstream. The bandwidth and stereo-image scalability directly translates into scalability in terms of the computational workload generated by the decoder. This can be exploited by a voltage/frequency scalable processor to save energy and prolong the battery life. Copyright © 2005 ACM.
Source Title: Proceedings of the 13th ACM International Conference on Multimedia, MM 2005
ISBN: 1595930442
DOI: 10.1145/1101149.1101207
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