Recently introduced, the ISO/MPEG-2 Advanced Audio Coding (AAC) coding technology provides a powerful framework which covers almost any application from simple monophonic compression to full-featured multi-channel coding. This paper discusses approaches and results of an implementation effort of a 5.1 AAC multi-channel encoder on a high performance floating point catalog DSP platform. Based on a new AAC coding strategy, this leads to a very efficient encoder on a single DSP, thus enabling cost-effective high-quality multi-channel encoding also for consumer type applications.

Authors: Rettelbach, Nikolaus; Huhn, Doris; Gernhardt, Harald; Fiesel, Wolfgang
Affiliation: Fraunhofer Institut für Integrierte Schaltungen (IIS), Erlangen, Germany
AES Convention: 110 (May 2001) Paper Number: 5376
Publication Date: May 1, 2001
Subject: Signal Processing for Audio

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