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White edges around PNG transparency

COW Forums : Apple Final Cut Pro Legacy

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Matty Smith
White edges around PNG transparency
on Apr 4, 2013 at 8:28:25 pm

I'm having a little trouble with some PNG files imported to FCP and haven't been able to find someone with quite the same issue:

Basically, when importing PNG files created in Photoshop, things look good in the viewer (the PNGs have black curved edges, and so I just see black straight into the "black" background of the viewer) but when I get them into the sequence, in the canvas (and subsequent export) I get some weird white around the edges, as if a part of the feathered edges is being read as white rather than part-transparent.

What's the best way to address this? I've tried changing the alpha channel to straight, but that doesn't seem to have done anything. In Photoshop, I tried re-exporting the images with a blank layer on the bottom, and that weirdly seemed to fix it a little but not all the way. Is there something I'm missing? I don't remember having much trouble just exporting a PNG with transparency to FCP before.

Thanks in advance for the help.

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