ETS 300 973 : 20001
Current
The latest, up-to-date edition.
DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM; HALF RATE SPEECH; VOICE ACTIVITY DETECTOR (VAD) FOR HALF RATE SPEECH TRAFFIC CHANNELS
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, symbols and abbreviations
3.1 Definitions
3.2 Symbols
3.3 Abbreviations
4 General
5 Functional description
5.1 Overview and principles of operation
5.2 Algorithm description
6 Computational description overview
6.1 VAD modules
6.2 Pseudo-floating point arithmetic
Annex A (informative): VAD performance
Annex B (informative): Simplified block filtering
operation
Annex C (informative): Pole frequency calculation
History
Describes the Voice Activity Detector (VAD) to be used in the Discontinuous Transmission (DTX).
| Committee |
SMG 11
|
| DocumentType |
Standard
|
| Pages |
21
|
| PublisherName |
European Telecommunications Standards Institute
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| PN ETS 300 973 : 2005 | Identical |
| ETS 300 979 : 20001 | DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM; IN-BAND CONTROL OF REMOTE TRANSCODERS AND RATE ADAPTORS FOR HALF RATE TRAFFIC CHANNELS |
| ETS 300 903 : 20004 | DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+) - TRANSMISSION PLANNING ASPECTS OF THE SPEECH SERVICE IN THE GSM PUBLIC LAND MOBILE NETWORK (PLMN) SYSTEM |
| ETS 300 967 : 20002 | DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+); HALF RATE SPEECH; ANSI-C CODE FOR THE GSM HALF RATE SPEECH CODEC |
| ETS 300 966 : 20001 | DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM; HALF RATE SPEECH; HALF RATE SPEECH PROCESSING FUNCTIONS |
| ETS 300 971 : 20001 | DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM; HALF RATE SPEECH; COMFORT NOISE ASPECTS FOR THE HALF RATE SPEECH TRAFFIC CHANNELS |
| ETS 300 968 : 20002 | DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+) - HALF RATE SPEECH - TEST SEQUENCES FOR THE GSM HALF RATE SPEECH CODEC |
| ETS 300 972 : 20002 | DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+) HALF RATE SPEECH; DISCONTINUOUS TRANSMISSION (DTX) FOR HALF RATE SPEECH TRAFFIC CHANNELS |
| ETS 300 960 : 20002 | DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM; FULL RATE SPEECH; PROCESSING FUNCTIONS |
| ETR 350 : 20001 | DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+) - ABBREVIATIONS AND ACRONYMS |
| ETS 300 972 : 20002 | DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+) HALF RATE SPEECH; DISCONTINUOUS TRANSMISSION (DTX) FOR HALF RATE SPEECH TRAFFIC CHANNELS |
| ETS 300 968 : 20002 | DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+) - HALF RATE SPEECH - TEST SEQUENCES FOR THE GSM HALF RATE SPEECH CODEC |
| ETS 300 969 : 20002 | DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+); HALF RATE SPEECH; HALF RATE SPEECH TRANSCODING |
| ETS 300 967 : 20002 | DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+); HALF RATE SPEECH; ANSI-C CODE FOR THE GSM HALF RATE SPEECH CODEC |
| ETS 300 971 : 20001 | DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM; HALF RATE SPEECH; COMFORT NOISE ASPECTS FOR THE HALF RATE SPEECH TRAFFIC CHANNELS |
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.