TS 26.404 – Enhanced aacPlus SBR Encoder Specification
3GPP TS 26.404 is the 3GPP Technical Specification for Enhanced aacPlus SBR Encoder Specification. It is published in 12 releases (Rel-8 to Rel-19); the latest version is 19.0.0 in Rel-19.
Specifies the Spectral Band Replication (SBR) encoder part of the Enhanced aacPlus audio codec for bandwidth extension.
Releases and versions of TS 26.404
| 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 26.404
Category: Services (Codec). Technology generation: Multi-Gen. Network layer: Services.
Who should read this specification?
- Network operators
- Device manufacturers
- Researchers and academics
Implementation notes
Complexity level: Advanced. Implementation difficulty: High.
Key technologies
Specifications that reference TS 26.404
Other specifications in the 26 series
- TS 26.348 xMB Interface Specification
- TS 26.401 Enhanced aacPlus Audio Codec Mapping
- TS 26.402 Enhanced aacPlus Error Concealment & Processing
- TS 26.403 Enhanced aacPlus AAC Encoder Specification
- TS 26.405 Parametric Stereo Encoder for Enhanced aacPlus
- TS 26.406 Enhanced aacPlus Audio Codec Conformance Testing
- TS 26.410 Enhanced aacPlus Floating-Point ANSI-C Code
- TS 26.411 Enhanced aacPlus Fixed-Point ANSI-C Code
Related glossary terms
Related topics
Frequently asked questions
What is 3GPP TS 26.404?
3GPP TS 26.404 is the 3GPP Technical Specification for Enhanced aacPlus SBR Encoder Specification. Specifies the Spectral Band Replication (SBR) encoder part of the Enhanced aacPlus audio codec for bandwidth extension.
Which 3GPP releases include TS 26.404?
TS 26.404 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 26.404 belong to?
TS 26.404 belongs to the Services (Codec) category of 3GPP specifications. It applies to Multi-Gen networks.
View the full specification with interactive table of contents, version history, and AI analysis.
Read Full Specification →