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TR 101 294 : 8.0.0

Current

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

Available format(s)

Hardcopy , PDF

Language(s)

English

Intellectual Property Rights
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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