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Error Control Techniques within Multidimensional-Adaptive Audio Coding Algorithms

Multidimensional-adaptive audio coding algorithms can adapt multiple performance measures to the demands of different audio applications in real-time. Depending on the transmission or storage environment, audio processing applications require forms of error control to maintain acceptable audio quality. By definition, multidimensional-adaptive audio coding utilizes numerous error detection, correction and concealment techniques. However, such techniques also have implications for other relevant performance measurements, such as coded bit-rate and computational complexity. This paper discusses the signal processing tools used by a multidimensional-adaptive audio coding algorithm to achieve varying levels of error control while the fundamental structure of the algorithm is also varying. The effects and trade-offs on other coding performance measures will also be discussed.

Author: Smyth, Neil
Affiliation: APTX, Belfast N. Ireland, UK
AES Convention:128 (May 2010) Paper Number:8082 Import into BibTeX
Subject:Audio Processing—Audio Coding and Machine Interface

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