ETS 300 395-2 : 20002
Current
The latest, up-to-date edition.
TERRESTRIAL TRUNKED RADIO (TETRA); SPEECH CODEC FOR FULL RATE TRAFFIC CHANNEL; PART 2: TETRA CODEC
Hardcopy , PDF
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
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