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 Message Boards » » someone smart explain no ypbpr-in pc tuners Page [1]  
Quinn
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please

legal shit obviously

but what in specific

12/21/2005 4:35:07 AM

Quinn
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oh thanks, that cleared it up

12/21/2005 2:59:33 PM

SandSanta
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google "analog loophole"

12/21/2005 3:43:23 PM

smoothcrim
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http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=1339373&CatId=1322

+

http://www.buy.com/retail/product.asp?sku=90133295&SearchEngine=Froogle&SearchTerm=90133295&Type=PE&Category=Elec&Gad=0&dcaid=17379

+

http://www.compuplus.com/i-AVerMedia-AVerMedia-TVBox-9-Turn-your-LCD-Monitor-into-a-TVMultimedia-Center-MTVBOXEX9-1005045~refer-froogle.html (or whichever brand you have)

This could work if you layer the inputs.. or multiplex them. It depends on the usefulness of the driver I suppose.

12/21/2005 3:50:08 PM

Quinn
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Quote :
"google "analog loophole""


Yeah well why is finding a dvd player with DVI out with no hdcp easier?

god damn it

12/21/2005 3:54:38 PM

Shaggy
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do they make DVI in pci cards?

12/21/2005 4:08:00 PM

Quinn
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negative

12/21/2005 7:29:03 PM

moron
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^^^^ I don't think that'll work. That cap. card only does analog, i'm guessing Quinn wants to capture HD.

12/21/2005 8:19:42 PM

Quinn
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i just want to play xbox on my PC without lag and higher then 480

12/21/2005 9:26:09 PM

MiniMe_877
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for some strange reason, Adaptec might have just what you're looking for

http://www.adaptec.com/worldwide/product/prodtechindex.html?cat=/Technology/Gaming&source=menu

says you can play games at up to 1024x768

[Edited on December 21, 2005 at 10:24 PM. Reason : .]

12/21/2005 10:22:11 PM

moron
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You might could just get the HD kit for the Xbox, get a component video -> VGA cable, use some couplers, and plug the monitor in to the cable. This may, or may not, work...

12/22/2005 12:17:26 AM

Stein
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XBox Component to VGA without a transcoder to a monitor results in a picture that is completely green hued.

Sticking an N5-2 or N6 or the like inbetween the VGA out and VGA in takes care of this.

12/22/2005 12:37:41 AM

moron
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^ Even if you set it for HD output?

12/22/2005 12:44:48 AM

Stein
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Yes. It's a sync-on-green issue.

12/22/2005 1:15:24 AM

Noen
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http://www.bhphotovideo.com/bnh/controller/home?A=details&kw=AJKONALS&is=REG&Q=&O=productlist&sku=353129

It's PCI-X only though. (that's PCI-X not pci express).

The reason there aren't any for PCI is pretty simple. Raw HD is too much information to stream over a 32bit PCI bus. Hence why all the solutions out there are compressed digital.

12/22/2005 3:56:59 AM

smoothcrim
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^ if that were the case, then how would a pci video card work? it outputs the equivalent of raw hd (if not more information) over the same bus. why couldn't this data stream go the other direction, straight into ram and then be serialized onto disk?

12/22/2005 4:03:08 AM

moron
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^ A PCI bus (shared with all the slots on that bus) has a max data rate of about 130MB/s (for 32bit). A 1080i HD signal requires about 160MBps of bandwidth uncompressed (much less compressed). You could probably make a PCI card that transfers compressed video to the computer (which they make in the form of PCI HD ATSC tuners), but not for component video or anything.

The video signal that the PCI card is displaying when you are using your desktop is not a constant data stream to the card, the driver sets the bits in the VRAM and the PCI card does some DAC on that for the video output. You would be hard-pressed to find a PCI video card to play back a 720p video at 30fps. PCI cards with video decoders on them would handle it though (I don't specifically know of any PCI GFX card that do this though for HD).

Games are different because they also are using the GPU (which is on the card) to manipulate bits.

12/22/2005 4:28:45 AM

smoothcrim
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^ ahh that makes sense. but surely a single card could take in that much information and just transcode it on the fly with devices embedded on the card. I think such a device woubd be very feasable in the form of a plain pci card

12/22/2005 5:26:51 AM

Quinn
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[Edited on December 22, 2005 at 9:18 AM. Reason : .]

12/22/2005 9:17:16 AM

Noen
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^^yes, it's very feasible that a pci card could do compression on the fly. But there is all but 0 market for it. There are a couple of programmable pci cards that CAN do what Quinn wants, but youd have to wire your own harness, write your own drivers and software for one.

12/22/2005 10:40:33 AM

 Message Boards » Tech Talk » someone smart explain no ypbpr-in pc tuners Page [1]  
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