TS 46.020 – GSM Half Rate Speech Codec Specification
3GPP TS 46.020 is the 3GPP Technical Specification for GSM Half Rate Speech Codec Specification. It is published in 12 releases (Rel-8 to Rel-19); the latest version is 19.0.0 in Rel-19.
Specifies the VSELP speech codec and test methods for the GSM half rate traffic channel.
Releases and versions of TS 46.020
| 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 46.020
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: High.
Key technologies
Specifications that reference TS 46.020
Other specifications in the 46 series
- 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 46.012 GSM DTX Comfort Noise 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
- TS 46.032 GSM Voice Activity Detector (VAD) Specification
Related glossary terms
Frequently asked questions
What is 3GPP TS 46.020?
3GPP TS 46.020 is the 3GPP Technical Specification for GSM Half Rate Speech Codec Specification. Specifies the VSELP speech codec and test methods for the GSM half rate traffic channel.
Which 3GPP releases include TS 46.020?
TS 46.020 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 46.020 belong to?
TS 46.020 belongs to the Radio Access (Speech Codec) category of 3GPP specifications. It applies to 2G networks.
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