EUROPEAN DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM - HALF RATE SPEECH - COMFORT NOISE ASPECTS FOR THE HALF RATE SPEECH TRAFFIC CHANNELS

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Hardcopy , PDF

Language(s)

English

Publisher

European Telecommunications Standards Institute

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.

Committee	SMG 2
DocumentType	Standard
Pages	15
PublisherName	European Telecommunications Standards Institute
Status	Current

Standards	Relationship
NF ETS 300 581-4 : 1998	Similar to
DIN ETS 300581-4:1996-07	Identical
PN ETS 300 581-4 : 2005	Identical

NF ETS 300 500 : 1996	DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2) - PRINCIPLES OF TELECOMMUNICATION SERVICES SUPPORTED BY A GSM PUBLIC LAND MOBILE NETWORK (PLMN)
TS 101 622 : 6.0.1	DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+); GENERAL DESCRIPTION OF A GSM PUBLIC LAND MOBILE NETWORK (PLMN) (GSM 01.02 VERSION 6.0.1 RELEASE 1997)
TS 101 377-4-2 : 1.1.1	GEO-MOBILE RADIO INTERFACE SPECIFICATIONS; PART 4: RADIO INTERFACE PROTOCOL SPECIFICATIONS; SUB-PART 2: GMR-2 MOBILE EARTH STATION-NETWORK INTERFACE; CHANNEL STRUCTURES AND ACCESS CAPABILITIES GMR-2 04.003

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ETS 300 581-4 : 20001

EUROPEAN DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM - HALF RATE SPEECH - COMFORT NOISE ASPECTS FOR THE HALF RATE SPEECH TRAFFIC CHANNELS

Table of Contents

Abstract

General Product Information

International Equivalents

Standards Referenced By This Book

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