TS 100 580-2 : 4.3.0
Current
The latest, up-to-date edition.
DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2); FULL RATE SPEECH; PART 2: TRANSCODING
Hardcopy , PDF
Foreword
0 Introduction
0.1 Scope
0.2 References
0.3 Abbreviations
1. Description
1.1 void
1.2 Outline description
1.3 Functional description of audio parts
1.4 PCM format conversion
1.5 Principles of the RPE-LTP
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 Computational details of the RPE-LTP Codec
4.1 Data representation and arithmetic operations
4.2 Fixed point implementation of the RPE-LTP Coder
4.3 Fixed point implementation of the RPE-LTP Decoder
4.4 Tables used in the fixed point implementation of the
rpe-ltp coder as
5 Digital test sequences
5.1 Input and output signals
5.2 Configuration for the application of the test sequences
5.3 Test sequences
Annex 1 (informative): Codec Performance
A1.1 Introduction
A1.2 Speech performance
A1.3 Non-speech performance
A1.4 Delay
A1.5 References
Annex 2 (informative): Subjective relevance of the speech coder
output bits
Annex 3 (informative): Format for test sequence distribution
A3.1 Type of files provided
A3.2 File format description
Annex 4 (informative): Test sequence diskette
Annex 5 (informative): Change History
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