TS 06.90 – AMR Speech Codec Mapping Specification
3GPP TS 06.90 is the 3GPP Technical Specification for AMR Speech Codec Mapping Specification. It is part of 3GPP R98 (version 7.2.1).
Defines detailed mapping between 13-bit PCM speech samples and encoded bit streams for GSM AMR codec. Covers 8 encoding rates from 4.75 to 12.2 kbit/s using ACELP algorithm.
Releases and versions of TS 06.90
| Release | Latest version | Links |
|---|---|---|
| R98 | 7.2.1 | Read · Download (3GPP) |
Scope of TS 06.90
Category: Services (Speech Services). Technology generation: 2G. Network layer: Services.
Who should read this specification?
- Network operators
- Device manufacturers
Implementation notes
Complexity level: Intermediate. Implementation difficulty: Medium.
Key technologies
Other specifications in the 06 series
- TS 06.77 AMR Noise Suppression Performance Requirements
- TS 06.81 Enhanced Full Rate DTX Operation
- TS 06.82 Voice Activity Detector for DTX in EFR
- TS 06.85 GSM Speech Codec Performance Evaluation
- TS 06.91 AMR Speech Frame Substitution and Muting
- TS 06.92 DTX Comfort Noise for AMR Speech
- TS 06.93 GSM AMR DTX Operation Specification
- TS 06.94 Voice Activity Detector for AMR DTX
Related glossary terms
Frequently asked questions
What is 3GPP TS 06.90?
3GPP TS 06.90 is the 3GPP Technical Specification for AMR Speech Codec Mapping Specification. Defines detailed mapping between 13-bit PCM speech samples and encoded bit streams for GSM AMR codec. Covers 8 encoding rates from 4.75 to 12.2 kbit/s using ACELP algorithm.
Which 3GPP releases include TS 06.90?
TS 06.90 is part of 3GPP R98. The latest version on 3GPP Explorer is 7.2.1 (R98).
What category does TS 06.90 belong to?
TS 06.90 belongs to the Services (Speech Services) category of 3GPP specifications. It applies to 2G networks.
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