-
Another off sync problem, this one w greenscreen
I have been working on a green screen music video for several months now, trying to get the footage to stay in sync. The client finally said forget it; he’d take the version w the green background, which I did.
But since I might want to use green screen in the future, I am not happy & want to know why it keeps going out of sync. It stays in perfect sync while in the Final Cut timeline, but once I compress it, whether in Compressor or Quicktime, (I’ve tried both), it starts going out of sync after about 30 seconds. I used FX Home Composite Lab Pro to do the green screen editing. And Final Cut just doesn’t like it one bit. Any ideas on why this is happening and how to fix it?
-
2 Replies
-
Im not sure about your program but is your audio at 32K or 48K? If not at 48K you could try changing it to 48K and reimport the audio, I have had the same issues and this worked. Good Luck
-
Audio drift is a function of only two possible things. The audio track is on another framerate or time base or your playback system is at fault and will not or cannot handle both at the same time
How you arrive at either situation is unknown.
In the olden days, we’d see posts everyday from folks capturing Canon’s weird version of “DV.” The only fix was to unlink the audio from the video, find the exact length of the video track (from oepning slate to end slate, event-to-event), write that down, find the exact length of the audio track (from start event to end event, not the physical size of the track since it’s the same as the the video track yet it’s out of sync), apply speed adjust to it, and enter the video track’s length, render the audio, relink the two tracks.bogiesan
Reply to this Discussion! Login or Sign Up