ETS 300 971 : 20001
Current
The latest, up-to-date edition.
DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM; HALF RATE SPEECH; COMFORT NOISE ASPECTS FOR THE HALF RATE SPEECH TRAFFIC CHANNELS
Hardcopy , PDF
English
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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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