audio sync

[jerets]

hey. ive been having this problem and am not sure how to correct it.

i capture in uncompressed avi (for best quality picture) and then i use virtual dub to edit it b4 putting it into divx. after my capture is complete, the audio is usually out of sync. ive been able to correct this in virtual dub by playing w/ the frame rate and also "audio interleaving" in the past. but for some reason (after some time passing, loading a new system and what have you)... everything goes the same until i get to vdub... i resync the audio so it matches up w/ the video and everything IN vdub.. but after its converted and i watch it... its still way out of sync (if not worse then the original).

Why is this and what can i do to correct this? i never had this problem in the past? Does anyone know of some settings in vdub that i could try that may correct this problem?

Id greatly appreciate any help
thanks so much
jerets

[jerets]

ive played w/ it some more. the uncompressed avi isnt that out of sync but enough that one would want to change it. when i open it in vdub it shows it as even more out of sync and when i fix it in vdub it leaves it out of sync when i convert it out of vdub... why is virtual dub doing this? anyone know how to fix it?
thanks so much
jerets

[dinesh]

One solution may be to fix your capture problem. Audio should NOT be out of sync while capturing. Although you have often succeeded in working around this problem using VDub, it may not work always.
Do you get frame drops?? Try reducing the capture audio sampling rate / capture as mono instead of stereo.
If you insist on full audio quality and if you can replay your source, try capture the video only first, and then capture the audio (w/o video). Multiplex this in VDub and adjust only audio offset.

[jerets]

thanks for the advice... i tried capturing in vdub and i was surprised how much better i could make the video and how insync the audio was... now i just have to figure out how to work out some minor problems im having in it :P lol. wish me luck, thanks again for the advice... now its off to the capture forums
thanks again
jerets