You may have to press the down arrow to open the box. In the video settings, scroll down to bitrate settings. Once the Media Encoder is open, click the output file link in the queue to edit the settings. If you are using After Effects, go to Composition > Add to Adobe Media Encoder Queue. The clip exported from the bottom could then be used as a "mask" layer to combine two other video clips using that mask clip as a guide. If you are using Premiere Pro, go to file > export media. With the lower example, that would just be a 24-bit image, no alpha - the black and white areas represent transparent and opaque parts of the clip. In the top example, if you Export from the timeline and choose a 32-bit codec (with alpha) for the export, then the alpha channel is included - the black area will be transparent. Provide different method to enhance the video quality during conversion. Support converting video to 4K MPP MP4 with high quality. Basic video editing features to rotate, clip, merge and apply video effects. Key out the background of the clip, then change setting from "Composite" to "Alpha" and then Export. Convert the After Effects output files to MP4, Android phone and more. Changing to Alpha mode shows the black and white alpha in Program, however exporting still exports the original image! In my mind, the Export should export what I am seeing in the Program monitor window, and not something else.Īnyway, if you are using the Ultra Keyer in Premiere CC, then you CAN Export the alpha, see attached pic. If its a really slow, really long sequence, or something that only needs certain frames rendered over and over Ill export an EXR sequence then bring that back into AE to render out Prores or MP4 via media encoder. With CC, that is no longer the case from what I can tell. If its a slow render or a final but still manageable as a single file Ill render to prores in after effects. With older versions of Premiere such as CS6, one could change the Program Monitor settings from Composite to Alpha, then Export the alpha (black/white) video. Can you maybe explain a bit more about the workflow, what you wish to accomplish? When you say "just alpha", can I assume you mean a black and white image representing transparent and opaque areas? Which can be used as a "mask" later in a keying operation of some sort?
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