Hi,

I have another capturing problem with very old VHS tapes. I am using a Canopus 
ADVC-55 for capturing to PAL-DV. Even if my tapes are very old, I do not have 
any problem with lost frames, drops outs etc. My problem seems to be a 
synchronization issue of the individual scan lines. In some frames, the two 
different fields (VHS is  interlaced) are shifted by a visible offset. When 
viewing the movie seems to jump back and forth. The link below shows two 
examples:

http://www.nada.kth.se/~hanke/files/test1_000311.png
http://www.nada.kth.se/~hanke/files/test1_000548.png

How can I repair these frames? Probably the best solution would be a hardware 
TBC, but I do not have access to one. Do you know about a software 
solution/algorithm/a place where to search?

Thanks,

Michael

PS. The samples above are chosen because they show the effect rather clear, 
not because the movie is worth the effort :-) M.

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