Table of Contents

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

Abstract

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.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	European Telecommunications Standards Institute
Pages
ISBN
Committee	SMG 11