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View Full Version : virtual vcr capturing problems


QQ
30th August 2004, 21:14
greeting,

i was following the analog capture guide today, and decided to try virtual vcr. everything went fine, i set it up, preview window was showing perfect picture.. but as soon as i start recording, horizontal flickering lines start appearing! and they land in the recording aswell. they look like, i dont know, something would be interfacing with signal or so (yeah, dumb explanation, but it looks so!)

why does it happen, when preview is as clean as it gets :/

QQ
30th August 2004, 21:18
forget it.. i just tried to be too smart. appearently you dont need to check custom settings in video tab.. capture pin properties are enough.. though i still have no idea why having same settings in both places would produce those artefacts..

lark
31st August 2004, 07:07
could it be your hard drive interfering with the signal?
can you try another hd or moving it further away from the capture card?

regards
t :)

PlazzTT
31st August 2004, 09:08
Are these interlacing artefacts?

QQ
31st August 2004, 09:15
no not at all, more like wide packs of lines appearing at random, in random places..

Boulder
31st August 2004, 10:40
Could you please post some screenshots, it would help a lot. imageshack.us (http://imageshack.us) will help you if you don't have any webspace of your own.

WildCelt
31st August 2004, 13:34
You may also want to post some info on your PC. Are you running a VIA chipset perchance? VIA chipsets and Soundblaster sound cards have been known to slow down the PCI bus, thus messing up captures. I went to an NForce2-based board for this specific reason.

larrylickchops
10th September 2004, 13:40
good day

i am experiencing a similar problem to you. In my case, it seems that the sata controller is to blame. I have a nf7-s which has the silicon image sata on it. When i was using a pata drive I had no such problems.

The capture card is a flyvideo 3000 based on the philips chip. It is the only card I have in the pci slots. The weird thing is, I can put it in any of the slots that dont share with the sata irq and get bad interference. When i put it in slot 2 which shares irq with sata, the problem is lessened quite a lot.

I am still trying different things to see if i can get rid of the problem completely but I have had no real luck as of yet.

QQ
10th September 2004, 13:42
as i said, i fixed it by not setting size in vvcr options, but setting it in capture device properties.. it works fine then

larrylickchops
11th September 2004, 03:53
yeah, unfortunatley that wont work with my probs - must be a different set to what yours were anyway as i will get these tear type effects on the screen in any capture program - like windvd capture, virtualvcr, the capture software that comes with the card.

anyway, have a fine day my good man