ETS 300 973 : 20001
Current
The latest, up-to-date edition.
DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM; HALF RATE SPEECH; VOICE ACTIVITY DETECTOR (VAD) FOR HALF RATE SPEECH TRAFFIC CHANNELS
Hardcopy , PDF
English
Foreword
1 Scope
2 Normative 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
History
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