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NorDig releases NorDig Unified IRD Specification and NorDig Unified Test Plan ver. 3.1.1

NorDig releases NorDig Unified IRD Specification and NorDig Unified Test Plan ver. 3.1.1

NorDig releases a package of new and aligned updated NorDig specifications; the new NorDig Unified IRD specification version 3.1.1, the new NorDig Unified Test Plan version version 3.1.1 and the appropriate reference NorDig Audio Test streams.

NorDig has put extra effort into aligning the release of the two specifications (Unified IRD specification and Test Plan) to ensure that the industry better understands how to meet the updated requirements. Finally, the two specifications are aligned and match each other.

The main updates to the NorDig Unified Specification version 3.1.1 compared to the previous 3.1 version are:

- Mandating the Audio Preselection Descriptor for NGA/AC-4 audio for NorDig HEVC IRDs
- SI section updates

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