M00044396
New product
DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+); VOICE ACTIVITY DETECTOR (VAD) FOR ENHANCED FULL RATE (EFR) SPEECH TRAFFIC CHANNELS
European Telecommunications Standards Institute
In stock
Warning: Last items in stock!
Availability date: 11/06/2021
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): Simplified block filtering operation
Annex B (informative): Pole frequency calculation
Annex C (informative): Change Request History
History
Presents the Voice Activity Detector (VAD) to be used in the Discontinuous Transmission (DTX) as described in GSM 06.81 Discontinuous transmission (DTX) for Enhanced Full Rate (EFR) speech traffic channels.
Published | |
Document Type | Standard |
Status | Current |
Publisher | European Telecommunications Standards Institute |
Pages | |
ISBN | |
Committee | SMG 11 |