Mac Format - - IMPROVE | MAC APPS -

Al­pha chan­nel This refers to ar­eas of a still pic­ture or video

be­ing trans­par­ent. The ti­tles in the lower thirds cat­e­gory de­pend on an al­pha chan­nel, which may be an­i­mated, to al­low the video be­hind them to

be vis­i­ble.

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