.mov with checkerboard background

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I purchased a .mov of 3D animated curtains with a checkerboard background. I want to place this .mov over an image in Premiere but can't remove the checkerboard? Is there an simple (obvious) solution? thx

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evening starCorrect answer

Participant

Thx for your reply. The file claimed it had an alpha channel and cost AUD$87 to download. The 4K version required a monthly subscription to download. The file was unusable because there was no alpha channel and after alerting Adobe Stock about this issue I was refunded the full amount.

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Warren Heaton

Community Expert

You may have the preview file rather than the the full resolution file with an alpha.

For example, a preview file from a stock library might have a checkerboard rendered into the picture to show where you can place your source footage when using the full resolution file.

Check with where the file came from and ask if a full resolution version with alpha is available. The alpha might be rendered in the full resolution file (one movie file) or a separate file to be used as a matte with the full resolution file (two movie files).

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evening starAuthorCorrect answer

Participant

Thx for your reply. The file claimed it had an alpha channel and cost AUD$87 to download. The 4K version required a monthly subscription to download. The file was unusable because there was no alpha channel and after alerting Adobe Stock about this issue I was refunded the full amount.

Sent from my iPad

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