SJ 20923-2005 English PDF

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SJ 20923-2005: Method of objective speech quality assessment based on a perceptual measure for military communication equipments

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Basic data

Standard ID: SJ 20923-2005 (SJ20923-2005)
Description (Translated English): Method of objective speech quality assessment based on a perceptual measure for military communication equipments
Sector / Industry: Electronics Industry Standard
Classification of Chinese Standard: M30
Classification of International Standard: 95.020
Word Count Estimation: 23,227
Date of Issue: 3/11/2005
Date of Implementation: 4/1/2005
Summary: This standard specifies the Barker distance measurement algorithm based on psychoacoustics, which embodies the perceptual characteristics of human beings, the selection of test voice materials, the prediction from objective measurement to subjective sound quality and the analysis of the results. This standard applies to indoor and outdoor voice coding technology, communication equipment or system voice, through the MkV objective distortion distance calculation, predict the subjective quality of auditory perception, but also for objective sound quality evaluation of the development of research.

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