ETS 300 395-3 : 20001
Current
The latest, up-to-date edition.
RADIO EQUIPMENT AND SYSTEMS (RES); TRANS-EUROPEAN TRUNKED RADIO (TETRA); SPEECH CODEC FOR FULL-RATE TRAFFIC CHANNEL
Hardcopy , PDF
English
Important note : Users cannot be edited or removed once added to your Multi user PDF.
Foreword
1 Scope
2 Normative references
3 Definitions and abbreviations
3.1 Definitions
3.2 Abbreviations
4 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 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
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
History
Describes all the functions associated with the TETRA speech codec, excepted the specification of the codec by itself which is entirely defined in ETS 300 395-2 [2].
| Committee |
TETRA
|
| DocumentType |
Standard
|
| Pages |
16
|
| PublisherName |
European Telecommunications Standards Institute
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| DIN ETS 300395-3:1998-07 | Identical |
| PN ETS 300 395-3 : 2005 | Identical |
| TR 102 001 : 1.1.1 | ELECTROMAGNETIC COMPATIBILITY AND RADIO SPECTRUM MATTERS (ERM); SYSTEMS REFERENCE DOCUMENT FOR TETRA ADVANCED PACKET SERVICE (TAPS) |
| TS 100 392-7 : 2.4.1 | TERRESTRIAL TRUNKED RADIO (TETRA); VOICE PLUS DATA (V+D); PART 7: SECURITY |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.