Im editing a music video so i need sync for lip movement. one minute everything is in sync and the next its a few frames off . even if i just move the now line down the timeline it changes at time ....
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[Nigel Thompson]"Never has made a difference to the final project before.
BUT this out of sync issue has happened before with DVCPRO HD footage/Projects"
Just because your computer worked yesterday does not mean it will work today.
Mixing codecs is the issue- purge your render files, set your timeline to SAFE and re-render. you are trying to screw around with Realtime playback and with the varying levels of compression in your files the RT engine is doing the best it can.
Post and Production Workflow Consultant
Production and Post Stereographer
but all the files in this project that im editing from are PRORES HQ, nothing else. their source on the other hand are from various things ... i always go to PRORES these days to keep everything uniform.
I have had this random sync issue in FCP7 ever since I purchased the LHi about 3 years ago.
I spent a lot of time trying to work out the issue and AJA even sent
me a new card... but nothing helped. Tried many different settings, drivers and tweaks, but still had sync going out by up to 5 frames on a random basis. Then one day I turned of audio scrubbing (SHIFT S) and sync is now perfect. Try that and see if it works for you.