Avid DNxHR, which stands for "DigitalNonlinear ExtensibleHighResolution", is alossyUHDTVpost-productioncodec engineered for multi-generationcompositing with reduced storage and bandwidth requirements. The codec was specifically developed for resolutions considered aboveFHD/1080p, including2K,4K and8K resolution.DNxHD will continue to be used forHD resolutions.[1]
On September 12, 2014,Avid Technology, Inc. announced the DNxHR codec as part of a broader "Avid Resolution Independence" announcement at their Fall 2014 Avid Connect event, which was held during theIBC 2014 conference inAmsterdam,Netherlands.[1]
On December 22, 2014, Avid released Media Composer 8.3 which included support for 4K project formats and the DNxHR codec. Further details for the DNxHR codec were outlined in the "Avid High-Resolution Workflows Guide - December 2014".[2]
It is used in both hardware and software. For example, somecamera monitors with recording capability can record to this format for using in post production editing software.
DNxHR is available in the following flavors:[2][3]
Bandwidth requirements for the codec and its different flavors have been announced in the "Avid High Resolution Workflows Guide - December 2014" on page 166-172.[2]
Updated August 2015 avid.force.com "DNxHR Codec Bandwidth Specifications".[3]