TS 46.042 – GSM Half-Rate Voice Activity Detector Specification
3GPP TS 46.042 is the 3GPP Technical Specification for GSM Half-Rate Voice Activity Detector Specification. It is published in 12 releases (Rel-8 to Rel-19); the latest version is 19.0.0 in Rel-19.
Specifies VAD algorithm for DTX in GSM half-rate speech channels, including test methods and implementation requirements.
Releases and versions of TS 46.042
| Release | Latest version | Links |
|---|---|---|
| Rel-19 | 19.0.0 | Read · Download (3GPP) |
| Rel-18 | 18.0.0 | Read · Download (3GPP) |
| Rel-17 | 17.0.0 | Read · Download (3GPP) |
| Rel-16 | 16.0.0 | Read · Download (3GPP) |
| Rel-15 | 15.0.0 | Read · Download (3GPP) |
| Rel-14 | 14.0.0 | Read · Download (3GPP) |
| Rel-13 | 13.0.0 | Read · Download (3GPP) |
| Rel-12 | 12.0.0 | Read · Download (3GPP) |
| Rel-11 | 11.0.0 | Read · Download (3GPP) |
| Rel-10 | 10.0.0 | Read · Download (3GPP) |
| Rel-9 | 9.0.0 | Read · Download (3GPP) |
| Rel-8 | 8.0.0 | Read · Download (3GPP) |
Scope of TS 46.042
Category: Radio Access (Speech Processing). Technology generation: 2G. Network layer: RAN.
Who should read this specification?
- Device manufacturers
- Network operators
Implementation notes
Complexity level: Advanced. Implementation difficulty: Medium.
Key technologies
Specifications that reference TS 46.042
- TS 48.061 BTS-TRAU Protocol for HR Speech/Data
Other specifications in the 46 series
- TS 46.022 GSM Half Rate DTX Comfort Noise Specification
- TS 46.031 GSM Full Rate Speech DTX Operation
- TS 46.032 GSM Voice Activity Detector (VAD) Specification
- TS 46.041 GSM Half Rate Speech DTX Operation
- TS 46.051 GSM Enhanced Full Rate Speech Processing Intro
- TS 46.053 GSM Enhanced Full Rate Codec ANSI-C Implementation
- TS 46.054 GSM EFR Speech Codec Test Sequences
- TS 46.055 GSM Enhanced Full Rate Speech Codec Performance
Related glossary terms
Frequently asked questions
What is 3GPP TS 46.042?
3GPP TS 46.042 is the 3GPP Technical Specification for GSM Half-Rate Voice Activity Detector Specification. Specifies VAD algorithm for DTX in GSM half-rate speech channels, including test methods and implementation requirements.
Which 3GPP releases include TS 46.042?
TS 46.042 is published in 12 releases, from Rel-8 to Rel-19. The latest version on 3GPP Explorer is 19.0.0 (Rel-19).
What category does TS 46.042 belong to?
TS 46.042 belongs to the Radio Access (Speech Processing) category of 3GPP specifications. It applies to 2G networks.
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