M00044019
New product
EUROPEAN DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM - HALF RATE SPEECH - COMFORT NOISE ASPECTS FOR THE HALF RATE SPEECH TRAFFIC CHANNELS
European Telecommunications Standards Institute
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Availability date: 11/06/2021
Foreword
1 Scope
2 Normative references
3 Definitions, symbols and abbreviations
3.1 Definitions
3.2 Symbols
4 General
5 Functions on the transmit (TX) side
5.1 Background acoustic noise evaluation
5.2 Modification of the speech encoding algorithm
during SID frame generation
5.3 SID-frame encoding
6 Functions on the receive (RX) side
6.1 Averaging of the GS parameters
6.2 Comfort noise generation and updating
7 Computational details
History
Provides the detailed requirements for the correct operation of the background acoustic noise evaluation, noise parameter encoding/decoding and comfort noise generation in GSM Mobile Stations (MS)s and Base Station Systems (BSS)s during Discontinuous Transmission (DTX) on half rate speech traffic channels.
Published | |
Document Type | Standard |
Status | Current |
Publisher | European Telecommunications Standards Institute |
Pages | |
ISBN | |
Committee | SMG 2 |