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EN 301 708 : 7.1.1

M00042771

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EN 301 708 : 7.1.1

DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+); VOICE ACTIVITY DETECTION (VAD) FOR ADAPTIVE MULTI-RATE (AMR) SPEECH TRAFFIC CHANNELS; GENERAL DESCRIPTION

European Telecommunications Standards Institute

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Table of Contents

Intellectual property rights
Foreword
1. Scope
2. References
3. Technical description of VAD option 1
   3.1 Definitions, symbols and abbreviations
   3.2 General
   3.3 Functional description
4. Technical description of VAD option 2
   4.1 Definitions, symbols and abbreviations
   4.2 General
   4.3 Functional description
5. Computational details
Annex A (informative): Document change history
History

Abstract

Gives two alternatives for the Voice Activity Detector (VAD) to be used in the Discontinuous Transmission (DTX) as described in [3]. Implementors of mobile station and infrastructure equipment conforming to the AMR specifications can choose which of the two VAD options to implement. There are no interoperability factors associated with this choice.

General Product Information

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