TS 26.401 – Enhanced aacPlus Audio Codec Mapping
3GPP TS 26.401 is the 3GPP Technical Specification for Enhanced aacPlus Audio Codec Mapping. It is published in 12 releases (Rel-8 to Rel-19); the latest version is 19.0.0 in Rel-19.
Specifies mapping between MPEG-4 Enhanced aacPlus bitstreams and PCM audio, including encoder/decoder details and additional tools.
Releases and versions of TS 26.401
| 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 26.401
Category: Services (Codecs). Technology generation: Multi-Gen. Network layer: Services.
Who should read this specification?
- Device manufacturers
- Network operators
- Researchers and academics
Implementation notes
Complexity level: Advanced. Implementation difficulty: Medium.
Key technologies
Specifications that reference TS 26.401
- TS 26.346 MBMS User Services Specification
- TS 26.234 3GPP PSS Protocols and Codecs Specification
- TS 26.445 EVS Codec Specification
- TS 26.244 3GPP File Format (3GP) Specification
- TS 26.140 MMS Media Formats and Codecs Specification
- TS 26.410 Enhanced aacPlus Floating-Point ANSI-C Code
- TS 26.411 Enhanced aacPlus Fixed-Point ANSI-C Code
- TS 26.117 5G Media Streaming (5GMS)
- TS 26.141 IMS Messaging & Presence Media Formats
Other specifications in the 26 series
- TS 26.307 3GPP HTML5 Profile Specification
- TS 26.346 MBMS User Services Specification
- TS 26.347 MBMS Transport Protocol and API (TRAPI)
- TS 26.348 xMB Interface Specification
- TS 26.402 Enhanced aacPlus Error Concealment & Processing
- TS 26.403 Enhanced aacPlus AAC Encoder Specification
- TS 26.404 Enhanced aacPlus SBR Encoder Specification
- TS 26.405 Parametric Stereo Encoder for Enhanced aacPlus
Related glossary terms
Frequently asked questions
What is 3GPP TS 26.401?
3GPP TS 26.401 is the 3GPP Technical Specification for Enhanced aacPlus Audio Codec Mapping. Specifies mapping between MPEG-4 Enhanced aacPlus bitstreams and PCM audio, including encoder/decoder details and additional tools.
Which 3GPP releases include TS 26.401?
TS 26.401 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 26.401 belong to?
TS 26.401 belongs to the Services (Codecs) category of 3GPP specifications. It applies to Multi-Gen networks.
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