TR 126 978 : 13.0.0

Superseded

View Superseded by

DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+) (GSM); UNIVERSAL MOBILE TELECOMMUNICATIONS SYSTEM (UMTS); ECALL DATA TRANSFER; IN-BAND MODEM SOLUTION; CHARACTERIZATION REPORT (3GPP TR 26.969 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Superseded date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 Minimum Performance Requirements
6 Comparison of Candidates by Subjective Means
7 Selection Phase Listening Tests and Results
8 Design Constraints
9 Impact on Voice Activity Factor VAF (with VAD/DTX active)
10 Objective Performance Measurements
11 Feasibility Study: Downlink Noise Suppression for AMR
Annex A - Key Selection Phase Documents
Annex B - Selection Phase Test Plan
Annex C - Global Analysis Spreadsheet
Annex D - Methodologies for Measuring Subjective
          SNR Improvement
Annex E - Methodology for NS performance evaluation
          by Objective Means
Annex F - Methodology for Measuring Impact on Voice
          Activity Factor (VAF)
Annex G - Change history
History

Specifies background information on the performance of the six candidates which were proposed as solutions for publication of an example noise suppression solution for application to the GSM Adaptive Multi-Rate (AMR) speech codec.

Committee	3GPP SA 4
DocumentType	Standard
Pages	49
PublisherName	European Telecommunications Standards Institute
Status	Superseded
SupersededBy	ETSI TR 126 978 V16.0.0 : 2020-09

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)