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ETSI - TR 103 138

Speech and multimedia Transmission Quality (STQ); Speech samples and their use for QoS testing

inactive
Organization: ETSI
Publication Date: 1 November 2014
Status: inactive
Page Count: 19
scope:

The present document introduces and explains the use and application of speech samples to determine the objective listening quality (LQO) in narrowband (NB), wideband (WB) and super-wideband (SWB) for different scenarios such as connections between fixed networks and mobile terminals.

Document History

TR 103 138
March 1, 2023
Speech and multimedia Transmission Quality (STQ); Speech samples and their use for QoS testing
The present document introduces and explains the use and application of speech samples to determine the objective Listening Quality (LQO) in Narrowband (NB), Wideband (WB), Super-Wideband (SWB) and...
TR 103 138
August 1, 2018
Speech and multimedia Transmission Quality (STQ); Speech samples and their use for QoS testing
The present document introduces and explains the use and application of speech samples to determine the objective listening quality (LQO) in narrowband (NB), wideband (WB), super-wideband (SWB) and...
TR 103 138
September 1, 2016
Speech and multimedia Transmission Quality (STQ); Speech samples and their use for QoS testing
The present document introduces and explains the use and application of speech samples to determine the objective listening quality (LQO) in narrowband (NB), wideband (WB) and super-wideband (SWB)...
TR 103 138
March 1, 2015
Speech and multimedia Transmission Quality (STQ); Speech samples and their use for QoS testing
The present document introduces and explains the use and application of speech samples to determine the objective listening quality (LQO) in narrowband (NB), wideband (WB) and super-wideband (SWB)...
TR 103 138
November 1, 2014
Speech and multimedia Transmission Quality (STQ); Speech samples and their use for QoS testing
The present document introduces and explains the use and application of speech samples to determine the objective listening quality (LQO) in narrowband (NB), wideband (WB) and super-wideband (SWB)...
TR 103 138
October 1, 2013
Speech and multimedia Transmission Quality (STQ); Speech samples and their usage for QoS testing
The present document introduces and explains the use and application of speech samples to determine the objective listening quality (LQO) in either narrowband (NB) or wideband (WB) tests for...
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References

This document references:
ITU-T P.863.1 - Application guide for Recommendation ITU-T P.863
Published by ITU-T on June 1, 2019
This Recommendation is a supplementary guide for users of [ITU-T P.863], which describes a means of estimating listening speech quality by using reference and degraded speech samples. It assumes that...
This document references:
ITU-T P.48 - SPECIFICATION FOR AN INTERMEDIATE REFERENCE SYSTEM
Published by ITU-T on November 1, 1988
Summary This Recommendation intends to specify the intermediate reference system (IRS) to be used for defining loudness ratings. The description should be sufficient to enable equipment having the...
This document references:
ITU-T G.191 - Software tools for speech and audio coding standardization
Published by ITU-T on January 1, 2019
This Recommendation1 provides a set of common, coherent and portable signal processing tools to facilitate the development of speech and audio coding algorithms, in particular within the...
This document references:
ITU-T G.711.0 - Lossless compression of G.711 pulse code modulation
Published by ITU-T on September 1, 2009
This Recommendation contains the description of a lossless compression scheme of an ITU-T G.711 bitstream. This Recommendation is organized as follows. The references, definitions, abbreviations,...
This document references:
ITU-T P.341 - Transmission characteristics for wideband (150-7000 Hz) digital hands-free telephony terminals
Published by ITU-T on June 1, 2005
A description is not available for this item.
This document references:
ITU-T P.800 - Methods for Subjective Determination of Transmission Quality - Series P: Telephone Transmission Quality; Methods for Objective and Subjective Assessment of Quality
Published by ITU-T on August 1, 1996
This Recommendation contains advice to Administrations on conducting subjective tests of transmission quality in their own laboratories. It does not however deal with types of tests described in...
This document references:
ITU-T P.863.1 - Application guide for Recommendation ITU-T P.863
Published by ITU-T on June 1, 2019
This Recommendation is a supplementary guide for users of [ITU-T P.863], which describes a means of estimating listening speech quality by using reference and degraded speech samples. It assumes that...
View Less
View All
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