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Discrete Choice Models for Non-Intrusive Quality Assessment
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- Petkov, Petko N. (author)
- KTH,Ljud- och bildbehandling
-
- Kleijn, W. Bastiaan (author)
- School of Engineering and Computer Science, Victoria University of Wellington, Wellington, New Zealand
- De Vries, Bert (author)
- (creator_code:org_t)
- ISCA, 2011
- 2011
- English.
- In: 12th Annual Conference Of The International Speech Communication Association 2011 (INTERSPEECH 2011), Vols 1-5. - : ISCA. - 9781618392701 ; , s. 200-203
- Conference paper (peer-reviewed)
Abstract
Subject headings
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- Non-intrusive signal quality assessment in general, and its application to speech signal processing, in particular, builds extensively upon statistical regression models. Commonly, the raw preference scores used for fitting these models belong to a categorical scale. Averaging the scores over a number of test subjects results in smooth, close-to-continuous ratings, thus justifying the use of regression as opposed to classification models. A form of marginalization, averaging subjective ratings takes away useful information about the reliability of individual test points. Using a model tailored to the raw data achieves highly competitive performance in terms of conventional performance measures while providing the additional advantage of identifying the usability of individual test points. In this paper, we consider the application of discrete choice models to non-intrusive quality assessment of speech.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Signalbehandling (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Signal Processing (hsv//eng)
Keyword
- Discrete choice model
- Distribution fitting
- Non-intrusive quality assessment
Publication and Content Type
- ref (subject category)
- kon (subject category)
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