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[2005-2008] : [SG12] : [Q9/12]

[Declared patent(s)]  - [Publication]

Work item: P.862.2
Subject/title: Wideband extension to Recommendation P.862 for the assessment of wideband telephone networks and speech codecs
Status: Approved on 2007-11-13 
Approval process: AAP
Type of work item: Recommendation
Version: Rev.
Equivalent number: -
Timing: -
Liaison: -
Supporting members: -
Summary: This Recommendation describes a simple extension to the perceptual evaluation of listening speech quality (PESQ) algorithm defined in ITU-T Rec. P.862. It allows ITU-T Rec. P.862 to be applied to the evaluation of conditions, such as speech codecs, where the listener uses wideband headphones. (In contrast, ITU-T Rec. P.862 assumes a standard IRS-type narrow-band telephone handset which attenuates strongly below 300 Hz and above 3100 Hz.) This Recommendation is mainly intended for use with wideband audio systems (50-7000 Hz), although it may also be applied to systems with a narrower bandwidth.
Comment: -
Reference(s):
  Historic references:
Contact(s):
Jens BERGER, Editor
ITU-T A.5 justification(s):
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First registration in the WP: Unknown
Last update: 2007-10-12 15:26:11