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exporting video with an alpha channel (transparency)

You can export a file from Premiere Pro that includes an alpha channel (transparency).

In the case of FLV files, including the alpha channel just requires making sure that the Encode Alpha Channel box is checked.

QuickTime, AVI, and some other formats require you to specify the inclusion of an alpha channel from a color depth or channels menu. In some cases, a plus sign (as in Millions Of Colors+) denotes an alpha channel. In other cases, choosing to output to 32 bits per pixel implies the inclusion of the alpha channel; this refers to an output depth of 8 bits per channel for each of four channels: RGBA (where A is for alpha).

For general information about exporting, see “Workflow and overview for exporting”.


Export an FLV file with an alpha channel

  1. Select the sequence.
  2. Choose File > Export > Media.
  3. In the Export Settings dialog box, choose FLV|F4V from the Format menu.
  4. Choose an FLV preset from the Preset menu.
  5. On the Video tab, select Encode Alpha Channel.
  6. Set other settings and click Export or Queue to export as you normally would.


Export an AVI or QuickTime file with an alpha channel

  1. Select the sequence.
  2. Choose File > Export > Media.
  3. In the Export Settings dialog box, choose Microsoft AVI or QuickTime from the Format menu.
  4. On the Video tab, choose PNG, None, or Animation from the Video Codec menu, and choose 32 from the Depth menu.
  5. Set other settings and click Export or Queue to export as you normally would.

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