TR 126 975 : 13.0.0

Superseded

DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+) (GSM); UNIVERSAL MOBILE TELECOMMUNICATIONS SYSTEM (UMTS); LTE; PERFORMANCE CHARACTERIZATION OF THE ADAPTIVE MULTI-RATE (AMR) SPEECH CODEC (3GPP TR 26.975 VERSION 14.0.0 RELEASE 14)

Available format(s)

Hardcopy , PDF

Superseded date

09-19-2020

Language(s)

English

Publisher

European Telecommunications Standards Institute

Intellectual Property Rights
Foreword
Modal verbs terminology
Foreword
1 Scope
2 References
3 Definitions and abbreviations
4 General
5 Quality in Clean Speech and Error Conditions
6 Quality under background noise and Errors Conditions
7 Performances in Tandeming and with variation of the
input speech level
8 Performances with the Codec Adaptation turned on
9 VAD/DTX Performances
10 Performances with DTMF tones
11 Transparency to Signaling tones
12 Performances with special input signals
13 Language Dependency
14 Transmission Delay
15 Frequency Response
16 Complexity
Annex A - AMR GSM Characterization Phase Overview
Annex B - AMR Verification Phase Overview
Annex C - Additional Characterization Test Results
Annex D - AMR Performances as a function of
FER and RBER
Annex E - AMR Characterization in 3G Channels
Annex F - Change history
History

Gives background information on the performances of the Adaptive Multi-Rate (AMR) speech codec.

Committee	3GPP SA 4
DocumentType	Standard
Pages	65
PublisherName	European Telecommunications Standards Institute
Status	Superseded

ETSI GSM 01.04 : 050000	EUROPEAN DIGITAL CELLULAR TELECOMMUNICATION SYSTEM (PHASE 2); DEFINITIONS, ABBREVIATIONS AND ACRONYMS
ETSI GSM 03.50 : 050000	DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+) - TRANSMISSION PLANNING ASPECTS OF THE SPEECH SERVICE IN THE GSM PUBLIC LAND MOBILE NETWORK (PLMN)
ETSI GSM 08.60 : 4.0.1	INBAND CONTROL OF REMOTE TRANSCODERS AND RATE ADAPTORS
ETSI GSM 08.61 : 4.0.1	DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+); IN-BAND CONTROL OF REMOTE TRANSCODERS AND RATE ADAPTORS FOR HALF RATE TRAFFIC CHANNELS