TS 46.022 – GSM Half Rate DTX Comfort Noise Specification
3GPP TS 46.022 is the 3GPP Technical Specification for GSM Half Rate DTX Comfort Noise Specification. It is published in 12 releases (Rel-8 to Rel-19); the latest version is 19.0.0 in Rel-19.
Specifies requirements for background noise evaluation, encoding, and comfort noise generation during Discontinuous Transmission (DTX) on GSM half rate speech channels.
Releases and versions of TS 46.022
| 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 46.022
Category: Radio Access (Speech Codec). 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 46.022
Other specifications in the 46 series
- TS 46.011 GSM DTX Frame Substitution and Muting
- TS 46.012 GSM DTX Comfort Noise Specification
- TS 46.020 GSM Half Rate Speech Codec Specification
- TS 46.021 GSM Half Rate DTX Frame Substitution & Muting
- 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 46.042 GSM Half-Rate Voice Activity Detector Specification
Related glossary terms
Related topics
Frequently asked questions
What is 3GPP TS 46.022?
3GPP TS 46.022 is the 3GPP Technical Specification for GSM Half Rate DTX Comfort Noise Specification. Specifies requirements for background noise evaluation, encoding, and comfort noise generation during Discontinuous Transmission (DTX) on GSM half rate speech channels.
Which 3GPP releases include TS 46.022?
TS 46.022 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 46.022 belong to?
TS 46.022 belongs to the Radio Access (Speech Codec) category of 3GPP specifications. It applies to 2G networks.
View the full specification with interactive table of contents, version history, and AI analysis.
Read Full Specification →