TS 46.012 – GSM DTX Comfort Noise Specification
3GPP TS 46.012 is the 3GPP Technical Specification for GSM 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 background noise evaluation, encoding/decoding, and comfort noise generation for GSM during Discontinuous Transmission (DTX) on full rate speech channels.
Releases and versions of TS 46.012
| 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 46.012
Category: Radio Access (Speech Processing). Technology generation: 2G. Network layer: RAN.
Who should read this specification?
- Device manufacturers
- Network operators
Implementation notes
Complexity level: Intermediate. Implementation difficulty: Medium.
Key technologies
Specifications that reference TS 46.012
Other specifications in the 46 series
- TS 46.007 GSM Half Rate Speech Codec Test Sequences
- TS 46.008 GSM Half Rate Speech Codec Performance
- TS 46.010 GSM Full Rate Speech Transcoding (RPE-LTP)
- TS 46.011 GSM DTX Frame Substitution and Muting
- TS 46.020 GSM Half Rate Speech Codec Specification
- TS 46.021 GSM Half Rate DTX Frame Substitution & Muting
- TS 46.022 GSM Half Rate DTX Comfort Noise Specification
- TS 46.031 GSM Full Rate Speech DTX Operation
Related glossary terms
Related topics
Frequently asked questions
What is 3GPP TS 46.012?
3GPP TS 46.012 is the 3GPP Technical Specification for GSM DTX Comfort Noise Specification. Specifies background noise evaluation, encoding/decoding, and comfort noise generation for GSM during Discontinuous Transmission (DTX) on full rate speech channels.
Which 3GPP releases include TS 46.012?
TS 46.012 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 46.012 belong to?
TS 46.012 belongs to the Radio Access (Speech Processing) category of 3GPP specifications. It applies to 2G networks.
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