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[2022-2024] : [SG12] : [Q2/12]

[Declared patent(s)]  - [Publication]

Work item: G.191
Subject/title: Software tools for speech and audio coding standardization
Status: Approved on 2022-07-29 
Approval process: AAP
Type of work item: Recommendation
Version: Rev.
Equivalent number: -
Timing: -
Liaison: -
Supporting members: -
Summary: Recommendation ITU-T G.191 provides source code for speech and audio processing modules for narrowband, wideband and super-wideband telephony applications. The set includes codecs, filters, noise generators. This edition introduces changes to Annex A, which describes the ITU-T Software Tools (STL) containing a high-quality, portable C code library for speech processing applications. This release of the STL, also known as STL2022, incorporates: An implementation of ESDRU (energy-based spatial distortion reference unit) as described in ITU-T P.811. An implementation of the loudness measurement algorithm as in ITU-R Rec. BS.1770-4. Recommendation ITU-T G.191 includes an electronic attachment containing STL2022 and manual.
Comment: -
Reference(s):
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Contact(s):
Ludovic MALFAIT, Editor
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First registration in the WP: 2022-06-21 17:35:31
Last update: 2022-06-21 17:42:21