Patent
Method, computer, computer program and computer program product for speech quality estimation
Volodya Grancharov,Mats Folkesson +1 more
- 26 Jul 2010
9
TL;DR: In this article, the authors proposed a method, computer, computer program and computer program product for speech quality estimation, which comprises the steps of: determining a coding distortion parameter (QCOD), a bandwidth related distortion (BW) and a presentation level distortion (PL) of a speech signal; extracting a first coefficient (ω 1 ) and a second coefficient(ω 2 ), the first coefficient and the second coefficient being dependent on the coding distortion parameters; and calculating a signal quality measure (Q), where the signal quality measures is Q COD + ω 1 Bw +
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Abstract: The invention relates to a method, computer, computer program and computer program product for speech quality estimation. The method comprises the steps of: determining a coding distortion parameter (QCOD), a bandwidth related distortion parameter (BW) and a presentation level distortion parameter (PL) of a speech signal; extracting a first coefficient (ω 1 ) and a second coefficient (ω 2 ), the first coefficient and the second coefficient being dependent on the coding distortion parameter; and calculating a signal quality measure (Q), where the signal quality measure is Q COD + ω 1 Bw + (ω 2 . PL, - using the signal quality measure in a quality estimation of the speech signal.
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Citations
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9
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TL;DR: In this article, the authors measured the influence of noise on the talking quality of a telephone link in a telecommunications network, where a talker speech signal and a degraded speech signal were fed to an objective measurement device for obtaining an output signal (q) representing an estimated value of the quality of the communication.
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Patent
Method and apparatus for estimating subjective audio signal quality from objective distortion measures
Oded Ghitza,Doh-Suk Kim,Peter Kroon +2 more
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TL;DR: In this paper, a mapping function is generated between subjective measures of audio signal quality, e.g., mean opinion score (MOS) or degradation MOS (DMOS) measures, and corresponding objective distortion measures for known audio signals.
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Patent
Speech quality assessment method and system
Doh-Suk Kim
- 30 Jun 2006
TL;DR: In one embodiment, distortion in a received speech signal is estimated using at least one model trained based on subjective quality assessment data and a speech quality assessment is then determined based on the estimated distortion as discussed by the authors.
24
Patent
Method and device for quality evaluation of an audio signal and device and method for obtaining a quality evaluation result
Christian Schmidmer,Martin Kastner,Michael Keyhl +2 more
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TL;DR: In this article, a quality evaluation device for quality evaluation of audio signal transmitted via an audio signal channel includes a unit for providing contacting information to a remote user, wherein the contacting information includes a contact address.
20