ETSI TS 126 131 V14.2.0 (2019-10)

Universal Mobile Telecommunications System (UMTS); LTE; Terminal acoustic characteristics for telephony; Requirements (3GPP TS 26.131 version 14.2.0 Release 14)

RTS/TSGS-0426131ve20

General Information

• Status: Published
• Publication Date: 09-Oct-2019
• Technical Committee: 3GPP SA 4 - Codec
• Current Stage: 12 - Completion
• Completion Date: 10-Oct-2019

Standards Content (Sample)

ETSI TS 126 131 V14.2.0 (2019-10)






TECHNICAL SPECIFICATION
Universal Mobile Telecommunications System (UMTS);
LTE;
Terminal acoustic characteristics for telephony;
Requirements
(3GPP TS 26.131 version 14.2.0 Release 14)

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3GPP TS 26.131 version 14.2.0 Release 14 1 ETSI TS 126 131 V14.2.0 (2019-10)



Reference
RTS/TSGS-0426131ve20
Keywords
LTE,UMTS
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3GPP TS 26.131 version 14.2.0 Release 14 2 ETSI TS 126 131 V14.2.0 (2019-10)
Intellectual Property Rights
Essential patents
IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The information
pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found
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Legal Notice
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"must" and "must not" are NOT allowed in ETSI deliverables except when used in direct citation.
ETSI

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3GPP TS 26.131 version 14.2.0 Release 14 3 ETSI TS 126 131 V14.2.0 (2019-10)
Contents
Intellectual Property Rights . 2
Legal Notice . 2
Modal verbs terminology . 2
Foreword . 7
Introduction . 7
1 Scope . 8
2 References . 8
3 Definitions, symbols and abbreviations . 9
3.1 Definitions . 9
3.2 Abbreviations . 9
4 Interfaces . 10
5 Narrowband telephony transmission performance . 11
5.1 Applicability . 11
5.2 Overall loss/loudness ratings . 11
5.2.1 General . 11
5.2.2 Connections with handset UE . 11
5.2.3 Connections with desktop and vehicle-mounted hands-free UE. 11
5.2.4 Connections with hand-held hands-free UE . 12
5.2.5 Connections with headset UE . 12
5.3 Idle channel noise (handset and headset UE) . 12
5.3.1 Sending . 12
5.3.2 Receiving . 13
5.4 Sensitivity/frequency characteristics . 13
5.4.1 Handset and headset UE sending . 13
5.4.2 Handset and headset UE receiving . 14
5.4.3 Desktop and vehicle-mounted hands-free UE sending . 15
5.4.4 Desktop and vehicle-mounted hands-free UE receiving . 16
5.4.5 Hand-held hands-free UE sending . 17
5.4.6 Hand-held hands-free UE receiving . 18
5.5 Sidetone characteristics (handset and headset UE) . 19
5.5.1 Sidetone loss . 19
5.5.2 Sidetone delay . 19
5.6 Stability loss . 20
5.7 Acoustic echo control . 20
5.7.1 General . 20
5.7.2 Acoustic echo control in desktop and vehicle-mounted hands-free UE . 20
5.7.3 Acoustic echo control in hand-held hands-free UE . 21
5.7.4 Acoustic echo control in a handset UE . 21
5.7.5 Acoustic echo control in a headset UE . 21
5.8 Distortion . 21
5.8.1 Sending distortion . 21
5.8.2 Receiving . 22
5.9 Void . 23
5.10 Information on other parameters (not normative) . 23
5.11 Sending performance in the presence of ambient noise . 23
5.11.1 General . 23
5.11.2 Connections with handset UE . 23
5.11.3 Connections with Handheld hands-free UE . 23
5.12 Delay . 24
5.12.0 UE delay definition . 24
5.12.1 Handset UE . 24
5.12.2 Headset UE . 25
ETSI

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3GPP TS 26.131 version 14.2.0 Release 14 4 ETSI TS 126 131 V14.2.0 (2019-10)
5.12.2.1 Wired headset . 25
5.12.2.2 Wireless headset . 26
5.13 Echo control characteristics . 26
5.13.1 Handset . 27
5.13.2 Headset . 27
5.13.3 Handheld hands-free . 27
5.13.4 Desktop and vehicle mounted hands-free . 27
5.14 Clock accuracy . 27
5.15 Jitter buffer management behaviour . 28
6 Wideband telephony transmission performance . 28
6.1 Applicability . 28
6.2 Overall loss/loudness ratings . 28
6.2.1 General . 28
6.2.2 Connections with handset UE . 28
6.2.3 Connections with desktop and vehicle-mounted hands-free UE. 29
6.2.4 Connections with hand-held hands-free UE . 29
6.2.5 Connections with headset UE . 29
6.3 Idle channel noise (handset and headset UE) . 30
6.3.1 Sending . 30
6.3.2 Receiving . 30
6.4 Sensitivity/frequency characteristics . 30
6.4.1 Handset and headset UE sending . 30
6.4.2 Handset and headset UE receiving . 31
6.4.3 Desktop and vehicle-mounted hands-free UE sending . 32
6.4.4 Desktop and vehicle-mounted hands-free UE receiving . 33
6.4.5 Hand-held hands-free UE sending . 34
6.4.6 Hand-held hands-free UE receiving . 35
6.5 Sidetone characteristics (handset and headset UE) . 37
6.5.1 Sidetone loss . 37
6.5.2 Sidetone delay . 37
6.6 Stability loss . 37
6.7 Acoustic echo control . 38
6.7.1 General . 38
6.7.2 Acoustic echo control in desktop and vehicle-mounted hands-free UE . 38
6.7.3 Acoustic echo control in hand-held hands-free UE . 38
6.7.4 Acoustic echo control in a handset UE . 38
6.7.5 Acoustic echo control in a headset UE . 39
6.8 Distortion . 39
6.8.1 Sending distortion . 39
6.8.2 Receiving . 40
6.9 Void . 40
6.10 Sending performance in the presence of ambient noise . 41
6.10.1 General . 41
6.10.2 Connections with handset UE . 41
6.10.3 Connections with Handheld hands-free UE . 41
6.11 Delay . 41
6.11.0 UE delay definition . 41
6.11.1 Handset UE . 42
6.11.2 Headset UE . 43
6.11.2.1 Wired headset . 43
6.11.2.2 Wireless headset . 44
6.12 Echo control characteristics . 44
6.12.1 Handset . 45
6.12.2 Headset . 45
6.12.3 Handheld hands-free . 45
6.12.4 Desktop and vehicle mounted hands-free . 45
6.13 Clock accuracy . 45
6.14 Jitter buffer management behaviour . 46
7 Super-wideband telephony transmission performance . 46
7.1 Applicability . 46
ETSI

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3GPP TS 26.131 version 14.2.0 Release 14 5 ETSI TS 126 131 V14.2.0 (2019-10)
7.2 Overall loss/loudness ratings . 46
7.2.1 General . 46
7.2.2 Connections with handset UE . 46
7.2.3 Connections with desktop and vehicle-mounted hands-free UE. 47
7.2.4 Connections with hand-held hands-free UE . 47
7.2.5 Connections with headset UE . 48
7.3 Idle channel noise (handset and headset UE) . 48
7.3.1 Sending . 48
7.3.2 Receiving . 48
7.4 Sensitivity/frequency characteristics . 49
7.4.0 General . 49
7.4.1 Handset and headset UE sending . 49
7.4.2 Handset and headset UE receiving . 50
7.4.2.1 Handset UE receiving . 50
7.4.2.2 Headset UE receiving . 51
7.4.3 Desktop and vehicle-mounted hands-free UE sending . 52
7.4.4 Desktop and vehicle-mounted hands-free UE receiving . 53
7.4.5 Hand-held hands-free UE sending . 53
7.4.6 Hand-held hands-free UE receiving . 54
7.5 Sidetone characteristics (handset and headset UE) . 55
7.5.1 Sidetone loss . 55
7.5.2 Sidetone delay . 55
7.6 Stability loss . 56
7.7 Acoustic echo control . 56
7.7.1 General . 56
7.7.2 Acoustic echo control in desktop and vehicle-mounted hands-free UE . 56
7.7.3 Acoustic echo control in hand-held hands-free UE . 56
7.7.4 Acoustic echo control in a handset UE . 57
7.7.5 Acoustic echo control in a headset UE . 57
7.8 Distortion . 57
7.8.1 Sending distortion . 57
7.8.2 Receiving . 58
7.9 Void . 59
7.10 Sending performance in the presence of ambient noise . 59
7.10.1 General . 59
7.10.2 Connections with handset UE . 59
7.10.3 Connections with Handheld hands-free UE . 59
7.11 Delay . 60
7.11.0 UE delay definition . 60
7.11.1 Handset UE . 60
7.11.2 Headset UE . 61
7.11.2.1 Wired headset . 61
7.11.2.2 Wireless headset . 63
7.12 Echo control characteristics .
...