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Different aspect ratios on same exhibition Disc
I’m preparing a Blu-Ray disc for exhibition at a local film festival, and I’ve run into a problem: 4 of the 5 films are in 16×9 HD, but one is 720×480 (a standard def transfer of a 16mm film).
When I previewed the disc in encore, all five films displayed correctly, but when I did a test run at the theatre, the 720×480 was distorted. The projector, which was in 16×9 mode, will not adjust automatically, nor do we want to change the projector setting in between films.
How can I add “letter boxes” to the side of the 720×480 film to make it play back correctly?