Release ledger
Canonical Atlas record
TS 26.304
Extended Adaptive Multi-Rate - Wideband (AMR-WB+) codec; Floating-point ANSI-C code
Responsible WGS4
StatusUnder change control
Initial releaseRel-6
Selected releaseRel-6
Latest indexed version19.0.0
Series26
TypeTS
Release evolution
Compare evidence between releases
Use indexed version, Work Item and Change Request evidence to see what changed around this specification. This is an evidence trail, not a clause-by-clause normative diff.
Rel-6 snapshot
Work affecting this release
56 indexed Change Requests · 2 connected Work Items.
Showing 12 CR records from the available cross-release sample. Browse release CR records (JSON) →
CR 0002 — Correction of TCX coding selection for MMS encoder
CR 0003 — Misread of energy buffer in coding mode selection in MMS encoder. Correction of energy buffer initialisation
CR 0004 — Correction of stereo bit allocation tables
CR 0005 — Optimization of error concealment operation
CR 0005 rev.1 — Optimization of error concealment operation
CR 0006 — Stereo operation of pre-echo mode, saturation of gain_shape
CR 0006 rev.1 — Stereo operation of pre-echo mode, saturation of gain_shape
CR 0007 — Stereo operation of pre-echo mode, alignment of encoder and decoder
CR 0008 — Addition of support for 3gp file format
CR 0008 rev.1 — Addition of support for file formats and improved command line
CR 0009 — Source code editorial changes
CR 0009 rev.1 — Source code editorial changes
Version history
Indexed versions
Showing 26 of 26 indexed versions.
19.0.0Rel-19SA#1092025-10-31
18.0.0Rel-18SA#1032024-05-16
17.0.0Rel-17SA#95-e2022-04-07
16.0.0Rel-16SA#88-e2020-07-21
15.0.0Rel-15SA#802018-06-22
14.0.0Rel-14SA#752017-03-17
13.0.0Rel-13SA#702015-12-18
12.0.0Rel-12SA#652014-09-26
11.0.1Rel-11SA#272012-10-26
11.0.0Rel-11SA#572012-09-21
10.0.0Rel-10SA#512011-04-05
9.0.0Rel-9SA#462009-12-18
8.0.0Rel-8SA#422008-12-18
7.0.0Rel-7SA#352007-03-29
6.6.0Rel-6SA#322006-06-22
6.5.0Rel-6SA#312006-03-31
6.4.0Rel-6SA#292005-10-12
6.3.0Rel-6SA#282005-06-24
6.2.0Rel-6SA#272005-04-01
6.1.0Rel-6SA#262005-01-06
6.0.0Rel-6SA#252004-09-30
2.0.0Rel-6 · pre-approvalSA#252004-09-20
0.5.5Rel-6 · pre-approval-2004-06-17
1.0.0Rel-6 · pre-approvalSA#242004-06-14
0.5.3Rel-6 · pre-approval-2004-06-14
0.5.0Rel-6 · pre-approval-—
Atlas classifications
Meaning and provenance
No Atlas classifications have been attached yet.
Work Items
Standards work connected to TS 26.304
AMRWB
Rel-5historical linkWideband Telephony Service - AMR
Historical association · verification pendingAMRWB+
Rel-6officialAMR-WB extension for high audio quality
PSSrel6-Stage3
Rel-6historical linkStage 3 for Packet Switched Streaming Services Rel-6
Historical association · verification pendingTEI7
Rel-7parsed(Small) Technical Enhancements and Improvements for Rel-7
Knowledge graph
Related standards
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