Traditional measurement methods like the signal-to-noise ratio are useless to predict the sound quality of low bit-rate audio coding systems. Several perceptual measurement methods have been developed over the last few years. They use a psychoacoustic model to get an estimate of the actual audibility or loudness of coding artifacts. The perceptual models used in these measurement systems will be explained.

Author: Brandenburg, Karlheinz
Affiliation: Universitiit Erlangen-Nurnberg, Lehrstuhl fur Technische Elektronik, Erlangen, Germany
AES Conference: 12th International Conference: The Perception of Reproduced Sound (June 1993)
Paper Number: 12-011
Publication Date: June 1, 1993
Subject: Perception of Reproduced Sound

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