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Measurement of music codec quality requires correct modeling of the masking behavior at and above masked threshold. A method is discussed that performs this modeling. It is shown that an asymmetry exists in the subjectively perceived distortion between audible components introduced by the codec versus audible components left out by the codec (e.g., bandwidth limiting). Incorporating this asymmetry in the model improves the prediction of the subjectively perceived quality.
Author (s): Beerends, John G.; Stemerdink, J. A.
Affiliation:
PTT Research, Leidschendam, The Netherlands
(See document for exact affiliation information.)
AES Convention: 96
Paper Number:3800
Publication Date:
1994-02-06
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Session subject:
Measurement Technique and Instrumentation
Permalink: https://aes2.org/publications/elibrary-page/?id=6432
(507KB)
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Beerends, John G.; Stemerdink, J. A.; 1994; Modeling a Cognitive Aspect in the Measurement of the Quality of Music Codecs [PDF]; PTT Research, Leidschendam, The Netherlands; Paper 3800; Available from: https://aes2.org/publications/elibrary-page/?id=6432
Beerends, John G.; Stemerdink, J. A.; Modeling a Cognitive Aspect in the Measurement of the Quality of Music Codecs [PDF]; PTT Research, Leidschendam, The Netherlands; Paper 3800; 1994 Available: https://aes2.org/publications/elibrary-page/?id=6432