Release ledger
Canonical Atlas record
TS 26.447
Codec for Enhanced Voice Services (EVS); Error concealment of lost packets
Responsible WGS4
StatusUnder change control
Initial releaseRel-12
Selected releaseRel-12
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-12 snapshot
Work affecting this release
16 indexed Change Requests · 2 connected Work Items.
Showing 12 CR records from the available cross-release sample. Browse release CR records (JSON) →
CR 0001 rev.2 — Corrections to the description of the packet loss concealment algorithm
CR 0001 rev.1 — Corrections to the description of the packet loss concealment algorithm
CR 0013 — Corrections to the algorithmic description
CR 0008 — Corrections to the Algorithmic Description
CR 0006 — CR 26.447-0006 Corrections to the Algorithmic Description (Release 12)
CR 0005 rev.2 — CR 26.447-0005 rev 2 Corrections to the description of the packet loss concealment algorithm (Release 12)
CR 0005 rev.1 — CR 26.447-0005 rev 1 Corrections to the description of the packet loss concealment algorithm (Release 12)
CR 0005 — CR 26.447-0005 Corrections to the description of the packet loss concealment algorithm (Release 12)
CR 0004 rev.1 — CR 26.447-0004 rev 1 Corrections to the description of the packet loss concealment algorithm (Release 12)
CR 0004 — CR 26.447-0004 Corrections to the description of the packet loss concealment algorithm (Release 12)
CR 0003 — Corrections to the description of the packet loss concealment algorithm
CR 0002 — Corrections to the description of the packet loss concealment algorithm
Version history
Indexed versions
Showing 33 of 33 indexed versions.
19.0.0Rel-19SA#1092025-10-22
18.1.0Rel-18SA#1072025-03-29
17.2.0Rel-17SA#1072025-03-29
16.2.0Rel-16SA#1072025-03-29
15.2.0Rel-15SA#1072025-03-29
14.3.0Rel-14SA#1072025-03-28
13.4.0Rel-13SA#1072025-03-28
12.9.0Rel-12SA#1072025-03-28
18.0.0Rel-18SA#1032024-05-06
17.1.0Rel-17SA#98-e2023-01-06
17.0.1Rel-17SA#98-e2023-01-06
17.0.0Rel-17SA#95-e2022-04-07
16.1.0Rel-16SA#88-e2020-07-17
15.1.0Rel-15SA#88-e2020-07-17
14.2.0Rel-14SA#88-e2020-07-17
13.3.0Rel-13SA#88-e2020-07-17
12.8.0Rel-12SA#88-e2020-07-17
16.0.0Rel-16SA#832019-03-28
15.0.0Rel-15SA#802018-06-22
14.1.0Rel-14SA#762017-06-16
13.2.0Rel-13SA#762017-06-16
12.7.0Rel-12SA#762017-06-16
14.0.0Rel-14SA#752017-03-17
13.1.0Rel-13SA#722016-06-24
12.6.0Rel-12SA#722016-06-24
13.0.0Rel-13SA#702015-12-18
12.5.0Rel-12SA#702015-12-17
12.4.0Rel-12SA#692015-09-24
12.3.0Rel-12SA#682015-06-26
12.2.0Rel-12SA#672015-03-21
12.1.0Rel-12SA#662014-12-22
12.0.0Rel-12SA#652014-09-26
1.0.0Rel-12 · pre-approvalSA#652014-09-22
Atlas classifications
Meaning and provenance
No Atlas classifications have been attached yet.
Work Items
Standards work connected to TS 26.447
EVS_codec
Rel-12officialCodec for Enhanced Voice Services
EVS_codec-SA4
Rel-12officialStage 2/3 for Codec for Enhanced Voice Services
Alt_FX_EVS
Rel-16parsedAlternative EVS implementation using updated fixed-point basic operators
Knowledge graph
Related standards
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