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ETSI
ETS 300 973 : 20001

ETS 300 973 : 20001

Current

Current

The latest, up-to-date edition.

DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM; HALF RATE SPEECH; VOICE ACTIVITY DETECTOR (VAD) FOR HALF RATE SPEECH TRAFFIC CHANNELS

Available format(s)

Hardcopy , PDF

Language(s)

English

Publisher

European Telecommunications Standards Institute

Foreword
1 Scope
2 Normative references
3 Definitions, symbols and abbreviations
   3.1 Definitions
   3.2 Symbols
   3.3 Abbreviations
4 General
5 Functional description
   5.1 Overview and principles of operation
   5.2 Algorithm description
6 Computational description overview
   6.1 VAD modules
   6.2 Pseudo-floating point arithmetic
Annex A (informative): VAD performance
Annex B (informative): Simplified block filtering
        operation
Annex C (informative): Pole frequency calculation
History

Describes the Voice Activity Detector (VAD) to be used in the Discontinuous Transmission (DTX).

Committee
SMG 11
DocumentType
Standard
Pages
21
PublisherName
European Telecommunications Standards Institute
Status
Current
Supersedes

Standards Relationship
PN ETS 300 973 : 2005 Identical

ETS 300 979 : 20001 DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM; IN-BAND CONTROL OF REMOTE TRANSCODERS AND RATE ADAPTORS FOR HALF RATE TRAFFIC CHANNELS
ETS 300 903 : 20004 DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+) - TRANSMISSION PLANNING ASPECTS OF THE SPEECH SERVICE IN THE GSM PUBLIC LAND MOBILE NETWORK (PLMN) SYSTEM
ETS 300 967 : 20002 DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+); HALF RATE SPEECH; ANSI-C CODE FOR THE GSM HALF RATE SPEECH CODEC
ETS 300 966 : 20001 DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM; HALF RATE SPEECH; HALF RATE SPEECH PROCESSING FUNCTIONS
ETS 300 971 : 20001 DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM; HALF RATE SPEECH; COMFORT NOISE ASPECTS FOR THE HALF RATE SPEECH TRAFFIC CHANNELS
ETS 300 968 : 20002 DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+) - HALF RATE SPEECH - TEST SEQUENCES FOR THE GSM HALF RATE SPEECH CODEC
ETS 300 972 : 20002 DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+) HALF RATE SPEECH; DISCONTINUOUS TRANSMISSION (DTX) FOR HALF RATE SPEECH TRAFFIC CHANNELS
ETS 300 960 : 20002 DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM; FULL RATE SPEECH; PROCESSING FUNCTIONS

ETR 350 : 20001 DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+) - ABBREVIATIONS AND ACRONYMS
ETS 300 972 : 20002 DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+) HALF RATE SPEECH; DISCONTINUOUS TRANSMISSION (DTX) FOR HALF RATE SPEECH TRAFFIC CHANNELS
ETS 300 968 : 20002 DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+) - HALF RATE SPEECH - TEST SEQUENCES FOR THE GSM HALF RATE SPEECH CODEC
ETS 300 969 : 20002 DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+); HALF RATE SPEECH; HALF RATE SPEECH TRANSCODING
ETS 300 967 : 20002 DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+); HALF RATE SPEECH; ANSI-C CODE FOR THE GSM HALF RATE SPEECH CODEC
ETS 300 971 : 20001 DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM; HALF RATE SPEECH; COMFORT NOISE ASPECTS FOR THE HALF RATE SPEECH TRAFFIC CHANNELS

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PDF - English
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