Ultra HD Forum Guidelines 2.5

The Ultra HD Forum produces Guidelines to help the industry navigate the complex UHD landscape and focuses on end-to-end workflows from camera to consumer. Guidelines are available here for download at no cost, and you don't even need to leave us your email!

New in V2.5 is:
• Definition of HDR with new graphic
• Updated device support for 4k and HDR
• Update to Annex E, AVS2
• Addition of Annex J, NBCU Dual SDR/HDR Production Workflow.
• Update to OTT Packagers using CTA 5005
• Update to NGA Trials
• Updated Annex G- ATSC 3.0
• Updated Annex F- ST 2110 and IP workflows

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Watermarking API for Encoder Integration 1.0.1

This document provides a C-based API for integrating watermarking technologies in content creation workflow, allowing interoperable integration in a transcoder. While initially targeting integration in workflows for ABR content preparation, it is also extendable to other cases. It supports various content format (baseband or compressed).

UHD Component Technologies

November 18, 2021 edition

UHD Foundation Layer

End-to-end workflows for UHD services
Resolutions of 1080p (with HDR) & 2160p
HDR / WCG (PQ10, HLG10 & HDR10)
Channel-based immersive audio

UHD Additions Layer

Dual layer HDR technologies
Dynamic HDR Metadata systems (Dolby® Vision, SL-HDR1 & SL-HDR2)
High Frame Rate (100/120 FPS)
Next Generation Audio (Dolby® AC-4 Audio & MPEG-H Audio)
Content Aware Encoding

Previous Editions

Ultra HD Forum

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