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EN 300 973 : 8.0.1

Current

Current

The latest, up-to-date edition.

DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+); HALF RATE SPEECH; VOICE ACTIVITY DETECTOR (VAD) FOR HALF RATE SPEECH TRAFFIC CHANNELS

Available format(s)

Hardcopy , PDF

Language(s)

English

Intellectual Property Rights
Foreword
1 Scope
2 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
Annex D (informative): Change Request History
History

Presents the Voice Activity Detector (VAD) to be used in the Discontinuous Transmission (DTX) as described in GSM 06.41 and also specifies the test methods to be used to verify that a VAD implementation complies with the present document.

Committee
SMG 11
DocumentType
Standard
Pages
22
PublisherName
European Telecommunications Standards Institute
Status
Current

Standards Relationship
I.S. EN 300 973:V7.0.1 Identical
NEN EN 300973 : 2000 Identical
NBN EN 300 973 : 2001 Identical
PN EN 300 973 : 2005 Identical

TR 102 024-7 : 4.1.1 TELECOMMUNICATIONS AND INTERNET PROTOCOL HARMONIZATION OVER NETWORKS (TIPHON) RELEASE 4; END-TO-END QUALITY OF SERVICE IN TIPHON SYSTEMS; PART 7: DESIGN GUIDE FOR ELEMENTS OF A TIPHON CONNECTION FROM AN END-TO-END SPEECH TRANSMISSION PERFORMANCE POINT OF VIEW

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