Table of Contents

Foreword
1 Scope
2 Normative references
3 Abbreviations
4 Full rate codec
  4.1 Structure of the codec
  4.2 Functional description of the codec
5 Channel coding for speech
  5.1 General
  5.2 Interfaces in the error control structure
  5.3 Notations
  5.4 Definition of sensitivity classes and error
      control codes
  5.5 Error control scheme for normal speech traffic
      channel
  5.6 Error control scheme for speech traffic channel
      with frame stealing activated
6 Channel decoding for speech
  6.1 General
  6.2 Error control structure
7 Codec performance
8 Bit exact description of the TETRA codec
Annex A (informative): Implementation of speech channel
        decoding
  A.1 Algorithmic description of speech channel
      decoding
  A.2 C Code for speech channel decoding
Annex B (informative): Indexes
  B.1 Index of C code routines
  B.2 Index of files
Annex C (informative): Bibliography
Annex D (informative): Codec performance
  D.1 General
  D.2 Quality
  D.3 Performance of the channel coding/decoding for
      speech
  D.4 Complexity
  D.5 Delay
Annex E (informative): Results of the TETRA codec
        characterization listening and complexity
        tests
  E.1 Characterization listening test
  E.2 TETRA codec complexity study
Annex F (informative): Description of attached computer
        files
  F.1 Directory C-WORD
  F.2 Directory C-CODE
History

Abstract

Update software for the specification of the speech codec for TETRA voice plus data standard, and inclusion of IPR statements.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	European Telecommunications Standards Institute
Pages
ISBN
Committee	TETRA 5
Supersedes	PRETS 300 395-2 : SEP 97