Audio Synch issue

hi,

 

so have .mov source file contains footage captured sony minidv camera (don't ask me why still using in november of last year) , believe possibly screwed capture settings. footage 50 minutes of uncut interview , audio gradually falls out of synch end it's half full second slower video. need edit file trim ends have clean fade in , out.

 

here's info on file displayed finder

 

i imported premiere pro cs6, put onto sequence, , clicked "change sequence settings" match clip settings.

here resulting settings:

 

i unlinked audio track , moved sound of 2 people high fiving synched video. cut both video , audio tracks @ frame, deleted came after cut, , moved audio original position. looked @ duration of video track, , adjusted duration of audio track match. result audio speed adjusted 100.03%, , appeared synched throughout video.

 

i thought had solved problem; however, when exported video audio went falling out of synch slowly, in source file.

 

i exported format: h.264, preset: ntsc dv. exported h.264, youtube hd 720p 23.976. neither worked. sample rate both 48 khz, unless mistaken, matched rate source audio.

 

this beyond technical ability , don't know begin fixing @ point. no longer have tape footage on can't recapture it. how synch audio , video?

 

any appreciated.

 

thanks!

collin

how viewing export?

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