TR 101 294 : 8.0.0
Current
The latest, up-to-date edition.
DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+); SUBJECTIVE TESTS ON THE INTEROPERABILITY OF THE HALF RATE/FULL RATE/ENHANCED FULL RATE (HR/FR/EFR) SPEECH CODECS, SINGLE, TANDEM AND TANDEM FREE OPERATION
Hardcopy , PDF
English
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Foreword
1 Scope
2 References
3 Definitions and abbreviations
3.1 Definitions
3.2 Abbreviations
4 General
5 Testing methodology
5.1 Phase 1: Investigation under conditions free of
environmental noise
5.2 Phase 2: Investigation under conditions with far
end environmental noise
6 Test set-up
6.1 Host Lab processing for the evaluation of HR-FR-EFR
interoperability (phase 1)
6.2 Error concealment for TCH/FS
6.3 Control of codec simulation
6.4 Pre-processing and post-processing procedure
6.5 Conclusion of Phase 1
6.6 Host Lab processing for the evaluation of HR-FR-EFR
interoperability (phase 2)
6.7 Processing
6.8 Conclusion of Phase 2
7 Summary of results
7.1 Quality under error conditions
7.2 Quality under tandeming conditions
7.3 Quality with far end background noise
7.4 Quality enhancement using TFO techniques
7.5 Effects of input frequency response
8 Conclusion
Annex A: Bibliography
Annex B: Deliverables to ETSI
Annex C: Phase 1: Tables of experimental results
Annex D: Phase 2: Tables of experimental results
History
Contains the results obtained from an internationally co-ordinated subjective evaluation conducted by four laboratories to estimate the performance in mobile-to-mobile connections of the GSM half, full, and enhanced full rate speech codecs (including the expected advantages of the Tandem Free Operation),
| Committee |
SMG 11
|
| DocumentType |
Standard
|
| Pages |
36
|
| PublisherName |
European Telecommunications Standards Institute
|
| Status |
Current
|
| ETSI GSM 01.04 : 050000 | EUROPEAN DIGITAL CELLULAR TELECOMMUNICATION SYSTEM (PHASE 2); DEFINITIONS, ABBREVIATIONS AND ACRONYMS |
| ETSI GSM 06.31 : 4.0.4 | DISCONTINUOUS TRANSMISSION (DTX) FOR FULL RATE SPEECH TRAFFIC CHANNELS |
| ETSI GSM 06.41 : 4.0.2 | DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+); HALF RATE SPEECH; DISCONTINUOUS TRANSMISSION (DTX) FOR HALF RATE SPEECH TRAFFIC CHANNELS |
| ETSI GSM 06.01 : 4.0.5 | SPEECH PROCESSING FUNCTIONS: GENERAL DESCRIPTION |
| ETSI GSM 06.12 : 4.0.4 | COMFORT NOISE ASPECTS FOR FULL RATE SPEECH TRAFFIC CHANNELS |
| ETSI GSM 06.42 : 4.1.1 | DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+); HALF RATE SPEECH; VOICE ACTIVITY DETECTOR (VAD) FOR HALF RATE SPEECH TRAFFIC CHANNELS |
| ETSI GSM 06.10 : 4.0.2 | GSM FULL RATE SPEECH TRANSCODING |
| ETSI GSM 06.20 : 4.2.1 | DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM; HALF RATE SPEECH TRANSCODING |
| ETSI GSM 06.22 : 4.1.1 | DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+); HALF RATE SPEECH; COMFORT NOISE ASPECTS FOR HALF RATE SPEECH TRAFFIC CHANNELS |
| ETSI GSM 06.06 : 4.0.2 | DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+); HALF RATE SPEECH; ANSI-C CODE FOR THE GSM HALF RATE SPEECH CODEC |
| ETSI GSM 06.11 : 4.0.4 | SUBSTITUTION AND MUTING OF LOST FRAMES FOR FULL-RATE SPEECH TRAFFIC CHANNELS |
| ETSI GSM 06.21 : 4.0.2 | DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+); HALF RATE SPEECH; SUBSTITUTION AND MUTING OF LOST FRAME FOR HALF RATE SPEECH TRAFFIC CHANNELS |
| ETSI GSM 06.32 : 4.1.0 | VOICE ACTIVITY DETECTION |
| ETSI GSM 06.07 : 4.0.2 | DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+); HALF RATE SPEECH; TEST SEQUENCES FOR THE GSM HALF RATE SPEECH CODEC |
| ETSI GSM 06.02 : 4.0.2 | DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+); HALF RATE SPEECH; TEST SEQUENCES FOR THE GSM HALF RATE SPEECH CODEC |
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