Does DNX support Alpha?

No, DNxHD does not support alpha channels. Use uncompressed or Animation codec instead.

What is Alpha channel rendering?

The alpha channel is a color component that represents the degree of transparency (or opacity) of a color (i.e., the red, green and blue channels). It is used to determine how a pixel is rendered when blended with another.

How do I export alpha from Avid?

you can export your subtitle track from AVID using alpha channel following this steps: Export as Quicktime Movie. Click on “Use marks”, “Use selected tracks” and “Include Inactive audio tracks”. Mark “Custom” and click on the button “Format Options”.

Where can I find the source code for the DNxHD codec?

The source code for the Avid DNxHD codec is freely available from Avid for internal evaluation and review, although commercial use requires Avid licensing approval. It has been commercially licensed to a number of companies including Ikegami, FilmLight, Harris Corporation, JVC, Seachange, EVS Broadcast Equipment.

What does DNxHD mean?

Avid DNxHD (“D igital N onlinear E x tensible H igh D efinition”) is a lossy high-definition video post-production codec developed by Avid for multi-generation compositing with reduced storage and bandwidth requirements. It is an implementation of SMPTE VC-3 standard.

What is Avid DNxHD?

Avid DNxHD (” D igital N onlinear E x tensible H igh D efinition”) is a lossy high-definition video post-production codec developed by Avid for multi-generation compositing with reduced storage and bandwidth requirements. It is an implementation of SMPTE VC-3 standard.

Where is DNxHD data stored?

DNxHD data is typically stored in an MXF container, although it can also be stored in a QuickTime container. On February 13, 2008, Avid reported that DNxHD was approved as compliant with the SMPTE VC-3 standard. DNxHD is intended to be an open standard, but as of March 2008, has remained effectively a proprietary Avid format.