Audio and video out of synch on export

Hi,
I've searched the forum for this. I have a movie in FCE 4 in which the audio and video are in synch in the time line. The audio was recorded into Logic at 96, noodled, passed into FCE at 48 and then had to be lined up with the video. Then when I go to export, the resulting QT movie is out of synch, the audio now about one second before the video. I'm using QT conversion. My compresson is H.264, quality best, frame rate 30, multi-pass, 640 x 480, format AAC or linear PCM, various sample rates, stereo and mono etc. I've tried various other settings for export, but the problem remains.
What am I doing wrong? Many thanks for any help,
Ray

Hi,
Thanks for the reply. I think you're on the right track. I want the best sound possible, so I record into Logic, knowing I'm going into FCE I record at 96 so an even multiple down to 48. I think a .wav file though, and maybe that's the problem. Into FCE, but other audio there as well from the camera mic, and which I occasionally include in the sound track for ambience. All of this noodled a fair amount and then exported, the intent being to end up in 44, as it will be uploaded to youtube. I switch to 16 bit out of Logic, but the aiff vs wav may be the problem. Do think there might be a better way to do this?
Ray

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Audio and video out of synch on export

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