EN 300 395-3 : 1.2.1
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TERRESTRIAL TRUNKED RADIO (TETRA); SPEECH CODEC FOR FULL-RATE TRAFFIC CHANNEL; PART 3: SPECIFIC OPERATING FEATURES
Hardcopy , PDF
English
Intellectual Property Rights
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
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