TS 06.55 – Enhanced Full Rate Speech Codec Performance
3GPP TS 06.55 is the 3GPP Technical Specification for Enhanced Full Rate Speech Codec Performance. It is published in 4 releases (Ph2 to R98); the latest version is 7.0.0 in R98.
Reports performance testing of GSM Enhanced Full Rate (EFR) speech codec under various conditions including error patterns, background noise, and tandeming.
Releases and versions of TS 06.55
| Release | Latest version | Links |
|---|---|---|
| R98 | 7.0.0 | Read · Download (3GPP) |
| R97 | 6.0.0 | Read · Download (3GPP) |
| R96 | 5.0.0 | Read · Download (3GPP) |
| Ph2 | 4.0.0 | Read · Download (3GPP) |
Scope of TS 06.55
Category: Services (Speech and Audio). Technology generation: 2G. Network layer: Services.
Who should read this specification?
- Network operators
- Device manufacturers
- Regulators and standards bodies
Implementation notes
Complexity level: Intermediate. Implementation difficulty: Low.
Key technologies
Other specifications in the 06 series
- TS 06.42 Voice Activity Detector for DTX
- TS 06.51 Enhanced Full Rate Speech Processing Introduction
- TS 06.53 GSM Enhanced Full Rate Codec C Code
- TS 06.54 GSM Enhanced Full Rate Speech Codec Testing
- TS 06.60 Enhanced Full Rate Speech Codec
- TS 06.61 Frame Substitution and Muting for DTX
- TS 06.62 DTX Comfort Noise for Enhanced Full Rate Speech
- TS 06.71 3GPP GSM 06.90-06.94 Introduction
Related glossary terms
Related topics
Frequently asked questions
What is 3GPP TS 06.55?
3GPP TS 06.55 is the 3GPP Technical Specification for Enhanced Full Rate Speech Codec Performance. Reports performance testing of GSM Enhanced Full Rate (EFR) speech codec under various conditions including error patterns, background noise, and tandeming.
Which 3GPP releases include TS 06.55?
TS 06.55 is published in 4 releases, from Ph2 to R98. The latest version on 3GPP Explorer is 7.0.0 (R98).
What category does TS 06.55 belong to?
TS 06.55 belongs to the Services (Speech and Audio) category of 3GPP specifications. It applies to 2G networks.
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