The number of consumer audio applications demanding high quality audio compression and communication across wireless networks continues to grow. Although the consumer is increasingly demanding higher audio quality, devices such as portable media players and wireless headsets also demand low computational complexity, low power dissipation and practical transmission bit-rates to help conserve battery life. This paper discusses research undertaken to lower the complexity of existing high-quality sub-band ADPCM coding schemes to better satisfy these con icting criteria.

Authors: Smyth, Neil; Trainor, David
Affiliation: APTX (APT Licensing, Ltd.), Belfast, Northern Ireland, UK
AES Convention: 127 (October 2009) Paper Number: 7891
Publication Date: October 1, 2009
Subject: Consumer Audio

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