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Competition for a new objective
speech quality assessment solution open until September 30, 1999 |
A new Recommendation for objective assessment of telephone-band (300 –
3400 Hz) speech quality is currently being developed within ITU-T Study Group 12.
This Recommendation will fill an urgent industry need by providing a world-standard
measurement technique to assess the quality of speech signals without requiring expensive
and time-consuming subjective tests. Speech quality impairments that will be taken into
account include:
- low bit rate coding
- transmission channel errors and packet loss
- fixed and variable delay
- environmental and circuit noise.
The new Recommendation, expected to be completed in 2000, will extend the range of
application of the current assessment methodology recommended in ITU-T Rec. P.861,
"Objective quality measurement of telephone-band (300 – 3400 Hz) speech
codecs", and find widespread application in PSTN, ISDN, IP and mobile networks.
Members of the International Telecommunications Union are invited to provide candidate
objective speech quality assessment solutions for evaluation, and to participate in the
definition of the new Recommendation. A letter of indication has to be sent to the ITU
Telecommunications Standardisation Bureau (TSB) or to the Rapporteur of Study Question
13/12, "Objective measurement of speech quality under conditions of non-linear
processing" by September 30, 1999.
For further information please contact the Rapporteur of Study Question 13/12.
Addresses:
TELECOMMUNICATION STANDARDIZATION BUREAU (TSB)
Voice: +41 22 730 5857 or +41 22 730 5859
Fax: +41 22 730 5853
Email: tsbedh@itu.int
X.400 S=tsbedh; A=400net; P=itu; C=ch
Rapporteur of ITU-T Study Question 13/12
Harald Klaus
T-Nova Deutsche Telekom Innovationsgesellschaft mbH
Berkom
Quality Assessment of Tele-Services
Goslarer Ufer 35
D-10589 Berlin
Phone: +49 30 3497-2382
Fax: +49 30 3497-2383 |
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