Table of Contents

Intellectual Property Rights
Foreword
1 Scope
  1.1 References
  1.2 Outline description
  1.3 Functional description of audio parts
  1.4 PCM Format conversion
  1.5 Principles of the RPE-LTP encoder
  1.6 Principles of the RPE-LTP decoder
  1.7 Sequence and subjective importance of
      encoded parameters
2 Transmission characteristics
  2.1 Performance characteristics of the
      analogue/digital interfaces
  2.2 Transcoder delay
3 Functional description of the RPE-LTP codec
  3.1 Functional description of the RPE-LTP encoder
  3.2 Decoder
4 Codec homing
  4.1 Functional description
  4.2 Definitions
  4.3 Encoder homing
  4.4 Decoder homing
  4.5 Encoder home state
  4.6 Decoder home state
5 Computational details of the RPE-LTP codec
  5.1 Data representation and arithmetic operations
  5.2 Fixed point implementation of the RPE-LTP coder
  5.3 Fixed point implementation of the RPE-LTP
      decoder
  5.4 Tables used in the fixed point implementation
     of the RPE-LTP coder and decoder
6 Digital test sequences
  6.1 Input and output signals
  6.2 Configuration for the application of the test
      sequences
  6.3 Test sequences
Annex A (informative): Codec performance
      A.1 Performance of the RPE-LTP
      A.2 Subjective relevance of the speech coder
          output bits
      A.3 Format for test sequence distribution
Annex B (informative): Test sequence disks
Annex C (informative): Change Request History
History

Abstract

Applicable for the full-rate Traffic Channel (TCH) in the digital cellular telecommunications system.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	European Telecommunications Standards Institute
Pages
ISBN
Committee	3GPP SA