Canonical Atlas record

TS 26.131

Terminal acoustic characteristics for telephony; Requirements

Responsible WGS4
StatusUnder change control
Initial releaseRel-4
Selected releaseRel-7
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.

Release ledger

Version · WI · CR evidence by release

Rel-44.2.01 WI9 CRs · 2 approved
Rel-55.2.03 WI5 CRs · 3 approved
Rel-66.1.02 WI14 CRs · 5 approved
Rel-77.1.01 WI3 CRs · 1 approved
Rel-88.3.02 WI11 CRs · 5 approved
Rel-99.5.02 WI14 CRs · 6 approved
Rel-1010.5.02 WI29 CRs · 8 approved
Rel-1111.3.01 WI20 CRs · 5 approved
Rel-1212.5.05 WI19 CRs · 7 approved
Rel-1313.4.02 WI16 CRs · 6 approved
Rel-1414.2.02 WI8 CRs · 3 approved
Rel-1515.2.02 WI6 CRs · 4 approved
Rel-1616.0.01 WI4 CRs · 1 approved
Rel-1717.3.02 WI8 CRs · 4 approved
Rel-1818.1.02 WI9 CRs · 4 approved
Rel-1919.0.00 WI0 CRs
R99no version indexed2 WI12 CRs · 7 approved
Release 19993.4.00 WI0 CRs

Rel-7 snapshot

Work affecting this release

3 indexed Change Requests · 1 connected Work Item.

Showing 0 CR records from the available cross-release sample. Browse release CR records (JSON) →

Version history

Indexed versions

Showing 60 of 62 indexed versions.

19.0.0Rel-19SA#1092025-10-21
18.1.0Rel-18SA#1032024-03-26
18.0.0Rel-18SA#98-e2023-01-06
17.3.0Rel-17SA#98-e2023-01-06
17.2.0Rel-17SA#97-e2022-09-23
17.1.1Rel-17SA#94-e2022-01-12
17.1.0Rel-17SA#94-e2022-01-11
17.0.0Rel-17SA#93-e2021-09-24
16.0.0Rel-16SA#852019-09-27
15.2.0Rel-15SA#852019-09-27
14.2.0Rel-14SA#852019-09-27
15.1.0Rel-15SA#812018-09-21
15.0.0Rel-15SA#802018-06-25
14.1.0Rel-14SA#762017-06-16
13.4.0Rel-13SA#762017-06-16
14.0.0Rel-14SA#752017-03-17
13.3.0Rel-13SA#722016-06-24
13.2.0Rel-13SA#712016-03-17
12.5.0Rel-12SA#712016-03-17
13.1.0Rel-13SA#702015-12-18
13.0.0Rel-13SA#692015-09-24
12.4.0Rel-12SA#682015-06-26
12.3.0Rel-12SA#662014-12-22
12.2.0Rel-12SA#652014-09-26
9.5.0Rel-9SA#622013-12-19
12.1.0Rel-12SA#622013-12-19
11.3.0Rel-11SA#622013-12-19
10.5.0Rel-10SA#622013-12-19
12.0.0Rel-12SA#602013-06-27
11.2.0Rel-11SA#592013-03-20
11.1.0Rel-11SA#582012-12-20
11.0.0Rel-11SA#572012-09-21
10.4.0Rel-10SA#542011-12-21
10.3.0Rel-10SA#532011-09-30
10.2.0Rel-10SA#522011-06-17
9.4.0Rel-9SA#512011-04-01
8.3.0Rel-8SA#512011-04-01
10.1.0Rel-10SA#512011-04-01
10.0.0Rel-10SA#492010-10-01
9.3.0Rel-9SA#472010-04-06
9.2.0Rel-9SA#452009-10-01
8.2.0Rel-8SA#452009-10-01
9.1.0Rel-9SA#442009-06-12
8.1.0Rel-8SA#442009-06-12
9.0.0Rel-9SA#432009-03-20
8.0.0Rel-8SA#422008-12-18
7.1.0Rel-7SA#382007-12-19
7.0.0Rel-7SA#362007-06-21
6.1.0Rel-6SA#352007-03-29
6.0.0Rel-6SA#252004-09-30
5.2.0Rel-5SA-#172002-09-24
4.2.0Rel-4SA-#172002-09-24
3.4.0Release 1999SA-#172002-09-24
5.1.0Rel-5SA-#132001-10-02
4.1.0Rel-4SA-#132001-10-02
3.3.0Release 1999SA-#132001-10-02
5.0.0Rel-5SA-#112001-04-10
4.0.0Rel-4SA-#112001-04-10
3.2.0Release 1999SA-#112001-04-10
3.1.0Release 1999SA-#82000-06-28

Atlas classifications

Meaning and provenance

No Atlas classifications have been attached yet.

Work Items

Standards work connected to TS 26.131

TEI4

(Small) Technical Enhancements and Improvements for Rel-4

Rel-4parsed
WI 1628

Definition for Terminal Acoustic Characteristics

Historical association · verification pending
Rel-5historical link
TEI5

(Small) Technical Enhancements and Improvements for Rel-5

Rel-5parsed
TLM5

Rel-5 Terminal interfaces

Historical association · verification pending
Rel-5historical link
CH

Rel-6 Charging Management

Historical association · verification pending
Rel-6historical link
TEI6

(Small) Technical Enhancements and Improvements for Rel-6

Rel-6parsed
TEI7

(Small) Technical Enhancements and Improvements for Rel-7

Rel-7parsed
RETEM_WB_T

Requirements and Test methods for Wideband Terminals

Rel-8official
TEI8

(Small) Technical Enhancements and Improvements for Rel-8

Rel-8parsed
DTMR

Distortion Measurement Test Methods and Requirements

Rel-9official
TEI9

(Small) Technical Enhancements and Improvements for Rel-9

Rel-9parsed
EAAT

Enhancements and Addition of Audio Tests to 26.131 and 26.132

Rel-10official
TEI10

(Small) Technical Enhancements and Improvements for Rel-10

Rel-10parsed
Ext_ATS

Extensions of Acoustic Test Specifications in TS 26.131 and TS 26.132

Rel-11official
ART_LTE

Acoustic Requirements and Test methods for IMS-based conversational speech services over LTE

Rel-12parsed
ART_LTE-NBWB

Acoustic Requirements and Test methods for IMS-based conversational speech services over LTE - NarrowBand and WideBand aspects

Rel-12official
ART_LTE-SUPER

Acoustic Requirements and Test methods for IMS-based conversational speech services over LTE - Super wideband and fullband aspects

Rel-12official
ART_LTE-UED

Acoustic Requirements and Test methods for IMS-based conversational speech services over LTE - UE Delay aspects

Rel-12official
TEI12

(Small) Technical Enhancements and Improvements for Rel-12

Rel-12parsed
ATeMPO_SPINE

Acoustic Test methods and Performance Objectives for Speakerphone Performance in Noisy Environments

Rel-13parsed
E_LTE_UED

Enhanced LTE UE Delay test methods and requirements

Rel-13official
DESUDAPS

Development of super-wideband and fullband P.835

Rel-14parsed
EXT_UED

Extension of UE Delay test methods and requirements

Rel-14parsed
RAOT

Receive acoustic output test in the presence of background noise

Rel-15parsed
SPAN

Speech quality in the presence of ambient noise for super-wideband and fullband modes

Rel-15parsed
TEI16

(Small) Technical Enhancements and Improvements for Rel-16

Historical association · verification pending
Rel-16historical link
HInT

Extension for headset interface tests of UE

Rel-17official
TEI17

(Small) Technical Enhancements and Improvements for Rel-17

Rel-17parsed
TEI18

(Small) Technical Enhancements and Improvements for Rel-18

Rel-18parsed
eUET

UE Testing Phase 2

Rel-18parsed
TEI

(Small) Technical Enhancements and Improvements for R99

R99parsed
WI5TAC,3G-AVT,Terminal_Acoustic_Characteristics

3G Audio-Visual Terminal characteristics

Historical association · verification pending
R99historical link

Knowledge graph

Related standards

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