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AVCHD Drifting Audio Sync

Samuel Goldstein


I used compressor to make a H.264 for Blu-Ray. The source file was DVCproHD 720p60 at 23.976fps. In compressor I left the frame rate at same as source. The resulting compressor files were .264 and .ac3.


I made sure the two files had the same name. I imported the .264 file into toast. In "More options," I chose Never Encode. It went straight to muxing, and burned a disc.


The disc looks and sounds great, but the audio drifts out of sync so that by 2 minutes into it it is noticeable and by the end of the 45 minute program, sync is off by about 6 seconds.


Any ideas? I have a hunch it's related to being at 24p (23.976).


Thanks for any help!

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