EN 300 395-3 : 1.2.1

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Foreword
1 Scope
2 References
3 Definitions and abbreviations
  3.1 Definitions
  3.2 Abbreviations
4 TETRA Speech encoder
  4.1 Encoder homing function
  4.2 Speech importance function
  4.3 Comfort noise function
  4.4 Frame stealing function
  4.5 Test mode functions
  4.6 Encryption interface
5 TETRA Speech decoder
  5.1 Encryption interface
  5.2 Decoder homing function
  5.3 Missing frame generation
  5.4 Missing frame substitution
  5.5 Test mode functions
6 Signalling data block format
7 AMR speech encoder and decoder
Annex A (informative): Implementation of optional features
      A.1 Speech importance calculation
      A.2 Voice Activity Detection (VAD)
      A.3 Discontinuous Transmission (DTX)
      A.4 CNF computation
      A.5 Missing Frame Generation (MFG)
      A.6 Setting BFI
      A.7 U-plane frame stealing
      A.8 Receiver muting
      A.9 Response to U-plane signalling
Annex B (informative): Bibliography
History

Specifies all the functions associated with the TETRA speech codec, except the specification of the codec by itself which is entirely defined in EN 300 395-2.