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ETS 300 971 : 20001

Current
Current

The latest, up-to-date edition.

DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM; HALF RATE SPEECH; COMFORT NOISE ASPECTS FOR THE HALF RATE SPEECH TRAFFIC CHANNELS
Available format(s)

Hardcopy , PDF

Language(s)

English

Foreword
1 Scope
2 Normative references
3 Definitions, Symbols and abbreviations
   3.1 Definitions
   3.2 Symbols
   3.3 Abbreviations
4 General
5 Functions on the transmit (TX) side
   5.1 Background acoustic noise evaluation
   5.2 Modification of the speech encoding
       algorithm during SID frame generation
   5.3 SID-frame encoding
6 Functions on the receive (RX) side
   6.1 Averaging of the GS parameters
   6.2 Comfort noise generation and updating
7 Computational details
History

Specifies the detailed requirements for the correct operation of the background acoustic noise evaluation, noise parameter encoding/decoding and comfort noise generation in GSM Mobile Stations (MS)s and Base Station Systems (BSS)s during Discontinuous Transmission (DTX) on half rate speech traffic channels.

Committee
SMG 11
DocumentType
Standard
Pages
14
PublisherName
European Telecommunications Standards Institute
Status
Current
Supersedes

Standards Relationship
PN ETS 300 971 : 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 300 968 : 20002 DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+) - HALF RATE SPEECH - TEST SEQUENCES FOR THE GSM HALF RATE SPEECH CODEC
ETS 300 973 : 20001 DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM; HALF RATE SPEECH; VOICE ACTIVITY DETECTOR (VAD) FOR HALF RATE SPEECH TRAFFIC CHANNELS
TS 101 318 : 1.1.1 TELECOMMUNICATIONS AND INTERNET PROTOCOL HARMONIZATION OVER NETWORKS (TIPHON) - USING GSM SPEECH CODECS WITHIN ITU-T RECOMMENDATION H.323
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 300 973 : 20001 DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM; HALF RATE SPEECH; VOICE ACTIVITY DETECTOR (VAD) FOR HALF RATE SPEECH TRAFFIC CHANNELS
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

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