Canonical Atlas record

TS 26.104

ANSI-C code for the floating-point Adaptive Multi-Rate (AMR) speech codec

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Search Rel-99 ↗JSON 3GPP Portal ↗DynaReport ↗

Responsible WGS4

StatusUnder change control

Initial releaseRel-4

Selected releaseRel-99

Latest indexed version19.1.0

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.

Release ledger

Version · WI · CR evidence by release

Rel-44.5.00 WI15 CRs · 13 approved

Rel-55.4.00 WI8 CRs · 4 approved

Rel-66.1.00 WI3 CRs · 1 approved

Rel-77.0.01 WI1 CR · 1 approved

Rel-88.0.01 WI0 CRs

Rel-99.0.00 WI0 CRs

Rel-1010.0.00 WI0 CRs

Rel-1111.0.00 WI0 CRs

Rel-1212.0.00 WI0 CRs

Rel-1313.0.00 WI0 CRs

Rel-1414.0.00 WI2 CRs

Rel-1515.0.00 WI1 CR

Rel-1616.0.01 WI2 CRs · 1 approved

Rel-1717.0.00 WI0 CRs

Rel-1818.1.01 WI2 CRs · 1 approved

Rel-1919.1.01 WI2 CRs · 1 approved

R99no version indexed10 WI14 CRs · 12 approved

Release 19993.5.00 WI0 CRs

Rel-99 snapshot

Work affecting this release

0 indexed Change Requests · 10 connected Work Items.

Showing 12 CR records from the available cross-release sample. Browse release CR records (JSON) →

CR 0001 — AMR Core Frame bit ordering (AMR speech Codec; Floating point C-Code)

CR 0003 rev.1 — Limiting predicted codebook gain computing in encoder

CR 0005 rev.1 — Correction of decoder operation in error concealment of lost frames

CR 0007 rev.1 — Correction of mode state bug in AMR decoder

CR 0009 — Correction to make encoder and decoder memories independent

CR 0009 rev.1 — Correction to make encoder and decoder memories independent

CR 0011 rev.1 — Correction of decoder Reset

CR 0013 rev.1 — Correction of comfort noise parameter interpolation bug of AMR decoder

CR 0015 rev.1 — Correction of the TX_TYPE and RX_TYPE identifiers

CR 0017 — Correction of decoder operation in error concealement of lost frames

CR 0020 — Maintaining bit-exactness with TS 26.073

CR 0022 — Correction to floating-point implementation of sp_dec.c

Version history

Indexed versions

Showing 38 of 38 indexed versions.

19.1.0Rel-19SA#1122026-07-05

18.1.0Rel-18SA#1122026-07-05

19.0.0Rel-19SA#1092025-10-30

18.0.0Rel-18SA#1032024-05-15

17.0.0Rel-17SA#95-e2022-04-07

16.0.0Rel-16SA#812018-09-21

15.0.0Rel-15SA#802018-06-25

14.0.0Rel-14SA#752017-03-17

13.0.0Rel-13SA#702015-12-18

12.0.0Rel-12SA#652014-09-26

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#362007-06-21

6.1.0Rel-6SA#232004-04-01

5.4.0Rel-5SA#232004-04-01

6.0.0Rel-6SA#222004-01-06

5.3.0Rel-5SA#222004-01-06

5.2.0Rel-5SA#202003-06-25

4.5.0Rel-4SA#202003-06-25

5.1.0Rel-5SA#192003-04-04

4.4.0Rel-4SA#192003-04-04

3.5.0Release 1999SA#192003-04-04

5.0.0Rel-5SA-#162002-06-28

4.3.0Rel-4SA-#152002-03-28

3.4.0Release 1999SA-#152002-03-28

4.2.0Rel-4SA-#132001-10-02

3.3.0Release 1999SA-#132001-10-02

4.1.1Rel-4SA-#122001-06-29

3.2.1Release 1999SA-#122001-06-29

4.1.0Rel-4SA-#122001-06-27

3.2.0Release 1999SA-#122001-06-27

4.0.0Rel-4SA-#102000-12-21

3.1.0Release 1999SA-#102000-12-21

3.0.0Release 1999SA-#82000-06-28

0.3.0Release 1999SA-#72000-03-15

0.1.0Release 1999SA-#61999-12-17

Atlas classifications

Meaning and provenance

No Atlas classifications have been attached yet.

Work Items

Standards work connected to TS 26.104

TEI7

(Small) Technical Enhancements and Improvements for Rel-7

Rel-7parsed

ICE

In Case of Emergency numbers storage and easy access on UICC

Rel-8official

TEI16

(Small) Technical Enhancements and Improvements for Rel-16

Historical association · verification pending

Rel-16historical link

TEI18

(Small) Technical Enhancements and Improvements for Rel-18

Rel-18parsed

TEI19

(Small) Technical Enhancements and Improvements for Rel-19

Rel-19parsed

CSM

Codecs for Multimedia Telephony Service

R99official

Codec(s)_for_CS_MM_Tel._Serv

Codecs for Multimedia Telephony Service

R99official

Codec(s)_for_MM_Tel_Service

Codecs for Multimedia Telephony Service

R99official

Codec_for_Multimedia_Telephony

Codecs for Multimedia Telephony Service

R99official

Effective Acronym:

Codecs for Multimedia Telephony Service

R99official

Low_bit_rate_codec_for_MM_Tel.,H.324M

Codec for low bitrate multimedia telephony service

R99official

Mandatory_Speech_Codec,AMR-NB,AMR

Mandatory speech codec for narrowband telephony service

R99official

Multimedia_Codec

Codecs for Multimedia Telephony Service

R99official

TEI

(Small) Technical Enhancements and Improvements for R99

R99parsed

WI2MMC

Codecs for Multimedia Telephony Service

R99official

Knowledge graph

Related standards

No graph edges indexed yet. The graph API is available at this JSON endpoint.