Apple QuickTime Spezifikationen PDF herunterladen (Seite 18)

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What happens if….

I recreate my QuickTime movie with a different number of tracks?

Changing the number of tracks in a QuickTime movie is not supported. Re-rendering

your movie with a different number of tracks will not change a clip which has already

been linked into the Avid editing system bin.

If you add audio tracks to the QuickTime movie the clip will still only access and play the

original number of audio tracks. To gain access to these new audio tracks you would

need to do another AMA link to the updated QuickTime movie.

If you add video tracks to a composition in another editing program it does not always

change the number of tracks in your QuickTime. For example if you add Video tracks in

an AfterEffects timeline then render this as a regular QuickTime you still end up with a

single, mixed down video track in the final QuickTime. This will not change you AMA

access to this copy of the media.

What happens if….

My QuickTime movie has an Alpha Channel?

Alpha Channels are not currently supported. If you perform a QuickTime AMA link to a

movie with an Alpha channel you will see the fill only, without the Alpha cutting it.

To use the Alpha Channel, you can still perform a FILE > IMPORT (after setting up

your Import settings to ensure proper handling of the Alpha channel).

What happens if….

I move the QuickTime file I am linked to?

If you move an AMA linked QuickTime file it will become OFFLINE in your project. The

link to the QuickTime file is by name and location. There are three things you can do to

fix this situation:

 Move the QuickTime file back to its original location. You then simply close and

reopen the bin to refresh it and reestablish the link.

 Relink to the moved clip in its new location. Open the original bin which

contains the OFFLINE clip, and chose FILE > RELINK TO AMA FILE(S)… and

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Apple QuickTime Spezifikationen Seite 18