Canonical Atlas record

TS 26.131

Terminal acoustic characteristics for telephony; Requirements

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Responsible WGS4

StatusUnder change control

Initial releaseRel-4

Selected releaseRel-99

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-99 snapshot

Work affecting this release

0 indexed Change Requests · 2 connected Work Items.

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

CR 0007 rev.1 — Introduction of ANR tolerance of 3 dB

CR 0010 — Removal of wideband telephony from terminal acoustic requirements

CR 0010 rev.1 — Removal of wideband telephony from terminal acoustic requirements

CR 0012 — Correction on the ANR requirement for hands-free Ues

CR 0015 — Masks Mandatory Only for Default EQ Setting

CR 0018 — Change to Sending Distortion Test Method

CR 0002 — Listener side tone (LSTR) and talker side tone (STMR) requirements

CR 0003 rev.1 — Change of Handset and headset UE receiving sensitivity/frequency characteristic mask

CR 0004 rev.1 — Acoustic requirements for Handheld-type hands-free user equipment

CR 0005 — Harmonisation of narrow-band acoustic requirements between 3GPP and GSM'

CR 0005 rev.1 — Harmonisation of narrow-band acoustic requirements between 3GPP and GSM'

CR 0001 rev.2 — Addition of a chapter pointing to ITU-T Recommendations for extended parameters

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

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

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