TR 101 977 : 1.1.1
Current
The latest, up-to-date edition.
TERRESTRIAL TRUNKED RADIO (TETRA); STUDY OF THE SUITABILITY OF THE GSM ADAPTIVE MULTI-RATE (AMR) SPEECH CODEC FOR USE IN TETRA
Hardcopy , PDF
English
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Intellectual Property Rights
Foreword
1 Scope
2 References
3 Definitions and abbreviations
3.1 Definitions
3.2 Abbreviations
4 General
4.1 Work Requirements
4.2 The Tasks
5 Initial Study of the TETRA Speech Codec
5.1 TETRA Codec FEC
5.2 PSQM or Peak-PSQM For Error Sensitivity?
6 PSQM Values for GSM AMR Codec
6.1 4,75 kbit/s Mode
6.2 5,15 kbit/s Mode
6.3 5,9 kbit/s Mode
6.4 6,7 kbit/s Mode
7 Initial FEC Bit Allocations for GSM AMR Codec
7.1 4,75 kbit/s Mode
7.2 5,15 kbit/s Mode
7.3 5,9 kbit/s Mode
7.4 6,7 kbit/s Mode
8 Coverage Performance of the FEC Schemes
8.1 4,75 kbit/s Mode
8.2 5,15 kbit/s Mode
8.3 5,9 kbit/s Mode
8.4 6,7 kbit/s Mode
8.5 Performance of the Selected FEC Schemes
9 Results of expert listening tests for the TETRA
and AMR codecs
9.1 4,75 kbit/s Mode
9.2 5,15 kbit/s Mode
9.3 5,9 kbit/s Mode
9.4 6,7 kbit/s Mode
10 Conclusions
Annex A: Software Description
A.1 Soft-Bit Error Files
A.2 Generic 'ccoder' and 'cdecoder' Routines
A.3 Soft-Bit Error Injection Routine
A.4 Script Files
History
Contains background information on the performance of four modes of the GSM Adaptive Multi-Rate (AMR) speech codec operating within the TETRA system.
| Committee |
TETRA 5
|
| DocumentType |
Standard
|
| Pages |
82
|
| PublisherName |
European Telecommunications Standards Institute
|
| Status |
Current
|
| ETS 300 395-2 : 20002 | TERRESTRIAL TRUNKED RADIO (TETRA); SPEECH CODEC FOR FULL RATE TRAFFIC CHANNEL; PART 2: TETRA CODEC |
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