User Manual

Export Alpha Channels
This option only appears if you’re rendering to a media format that supports alpha channels.
If your media contains an Alpha Channel, you have the option to turn on the Export Alpha
checkbox in the Video panel of the render settings whenever you render individual source
clips. When you do so, DaVinci Resolve renders clips with alpha channels in either of two cases:
 Whenever there is an alpha channel embedded in the source media for that clip, the
embedded alpha channel will be copied to the rendered version of that clip.
 Whenever a clip’s grade has a key connected to an alpha output, the alpha output will
be rendered as an alpha channel for that clip.
In either case, you may only render alpha channels out when you render individual source clips
to an RGBA format such as TIFF, OpenEXR, ProRes 4444, ProRes 4444 XQ, or DNxHR 444.
Chapter – 164 Delivery Effects Processing 3417