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How to record from component or HDMI

post #1 of 8
Thread Starter 
Im trying to build a HTPC for my dad, because he's getting hide cable but the tivo doesnt do hidef (and a series3 tivo costs $800 ). Ive been looking at newegg and digitalconnection, and both hav HD tuners but i wont need one of those, since the cable company is giving us a box (which wel need to get more than the basic channels)

anyone kno of a way to record either component, or, prefereably, HDMI or DVI onto your comp??

any help is greatly appreciated, thanks in advance
    
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post #2 of 8
video capture card with component in.
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post #3 of 8
That is a tough one. VERY tough one. As it turns out, there aren't very many inexpensive solutions to record HDTV... if you are recording HDTV via component or HDMI.

However, there is a solution, but's it's far from foolproof:

http://www.blackmagic-design.com/pro...ity/techspecs/

This little puppy let's you record NON PROTECTED HDMI signals. Now the question is; does your cable/satellite box output a protected HDMI signal? I wouldn't think so, but it's very possible. However, the system specs required for HD recording are INSANE (Dual Core PC, at least 2GB of RAM, etc.)

The other choice is buying a modded Satellite/Cable box, with Firewire or USB 2.0 output. This isn't cheap, but works for sure, until your cable company figures out a way to fry it.

You'll also need a blaizing fast RAID 0 configuration... HDTV has HUGE badwith. Finally, the software required for video capture is very unfriendly to the casual PC user.

So there you have it. There are capture cards for component video, but they cost north of 1000 dollars.

I am presonally very interested by the blackmagic product, but it's tough: no real reviews out there, it JUST came out less than a couple of months ago...

Anything I'm missing?

Well, if you're recording EDTV (720x480p) or SDTV any capture card with S-Video will do the trick, and won't be detrimental to video quality, provided you dont' buy something too cheap. The better ones seem to come from a company called Hauppage, but there are others. Make sure it has HARDWARE ENCODING/DECODING, vs. SOFTWARE.
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post #4 of 8
Thread Starter 
Quote:
Originally Posted by Jimmy2Shoe View Post
However, the system specs required for HD recording are INSANE (Dual Core PC, at least 2GB of RAM, etc.)

You'll also need a blaizing fast RAID 0 configuration... HDTV has HUGE badwith.
well what about hardware encoders? I mean, this PCI card has a built in MPEG encoder that will encode MPEG files at up to 1920*1080 (full hd, am i correct) and the system req's are far from insane: 400MHz P2, 64MB ram....

is there anything out there that would convert hdmi or dvi to the f-connector? cuz then i suppose i could use the abovementioned card....

===========EDIT=============
ok im revising my statement:
that MyHD Card i THINK is just a tuner, and the only processing that goes on on the card itself is demodulating so then yeah, youre right: the system req's for hd encoding are insane. but then, how does TiVo do it? Their Series3 box can actually record 2 hd shows at once (although as i say that im beginning to wonder HOW IN THE WORLD??)

i need some clarification, somebody help me
    
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post #5 of 8
Well, the answer is easier than you think. Most of these things recorde/encode files at the same time. This means that it's compressing the video before saving it to the hard disk, making file sizes much easier to cope with.

The problem is that it's also introducing artifacts, your not getting the 100% purest picutre.

Most people try and capture video in an "uncompressed" format, and then do the cleaning up/compression themselves.

Now if you're doing the compression on the fly, then you need a monster CPU that can handle it, which is why most of them are hardware encoders....

That's about the extent of my knowledge: I've never had the oppertunity to record HDTV.
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post #6 of 8
Thread Starter 
Quote:
Originally Posted by Jimmy2Shoe View Post
Most people try and capture video in an "uncompressed" format, and then do the cleaning up/compression themselves.
What would one use to capture uncompressed video? I realize its like, 9GB per hour, but right now that sounds like the easiest route to take.
    
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post #7 of 8
VirutalDub Mod is a popular program for all of your capture/encoding needs. There is also VirtualVCR, which in many ways is alot easier to use. A website you should be aware of is www.avsfourms.com ... you can look at the forum that discusses HTPC (Home Theater PC).. ask questions, I'm sure that they'll help you more than I ever can.

I'm mostly familiar with Encoding Video and de-interlacing.

Just a little sidenote, don't get an external capture card. They suck 99.9% of the time.
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post #8 of 8
Thread Starter 
ok im heading over to thsoe forums, thanks for all your help
rep up
    
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