ETS 300 580-2 : 20003
Current
The latest, up-to-date edition.
DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2) - FULL RATE SPEECH - PART 2: TRANSCODING
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Foreword
1 General
1.1 Scope
1.2 Outline description
1.3 Functional description of audio parts
1.4 PCM format conversion
1.5 Principles of the RPE-LTP Encoder
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 Decoding
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 and Decoder
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
Annex 2 (informative): Subjective relevance of the
speech coder output bits
Annex 3 (informative): Format for test sequence
distribution
Annex 4 (informative): Test sequence diskette
Annex 5 (informative): Change Request History
History
Describes the detailed mapping between input blocks of 160 speech samples in 13 bit uniform PCM format to encoded blocks of 260 bits and from encoded blocks of 260 bits to output blocks of 160 reconstructed speech samples.
| Committee |
SMG 11
|
| DocumentType |
Standard
|
| Pages |
58
|
| PublisherName |
European Telecommunications Standards Institute
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| NF ETS 300 580-2 : 1998 | Similar to |
| DIN ETS 300580-2:2001-04 | Identical |
| ETR 305 : 20001 | DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM - PERFORMANCE CHARACTERIZATION OF THE GSM ENHANCED FULL RATE (EFR) SPEECH CODEC |
| NF ETS 300 500 : 1996 | DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2) - PRINCIPLES OF TELECOMMUNICATION SERVICES SUPPORTED BY A GSM PUBLIC LAND MOBILE NETWORK (PLMN) |
| TS 101 622 : 6.0.1 | DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+); GENERAL DESCRIPTION OF A GSM PUBLIC LAND MOBILE NETWORK (PLMN) (GSM 01.02 VERSION 6.0.1 RELEASE 1997) |
| NF ETS 300 580-1 : 1998 | DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2) - FULL RATE SPEECH - PART 1: PROCESSING FUNCTIONS |
| TR 102 948 : 1.2.1 | SPEECH AND MULTIMEDIA TRANSMISSION QUALITY (STQ); QUALITY ASSESSMENT OF SYNTHESIZED SPEECH |
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