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How to Use alpha channels in Photoshop

Jun 18, 2009 12:06 AM

In the Photoshop tutorial, Richard Harrington takes a look at making an alpha channel based upon the luminance in an image. Alpha channels allow you to store transparency in a graphic and transfer that transparency to another non-linear video editing program or compositing application and key or composite in real time.

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Use alpha channels in Photoshop

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