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dvi to hd sdi converter

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Mike Cohendvi to hd sdi converter
by on Feb 17, 2011 at 2:48:54 am

Can someone suggest a dvi to hd sdi converter? This is not for displaying a computer but rather recording a dvi hd signal. Alternatively component to hd sdi.

Why post in this forum? Why did Obi Wan go to a pub to find a freighter pilot?

Thanks
Mike Cohen


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Zane BarkerRe: dvi to hd sdi converter
by on Feb 17, 2011 at 5:45:28 am

A quick google search shows that the options are not cheep.

http://www.google.com/products/catalog?client=safari&rls=en&q=dvi+to+hd+sdi...

If you are planing on recording then why not use screen recording software?

**Hindsight is always 1080p**


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Mike CohenRe: dvi to hd sdi converter
by on Feb 17, 2011 at 2:55:06 pm

Zane,
Thanks for the link. I was hoping to get feedback from someone who has knowledge of a particular product.
As stated in my original post, this is not for displaying a computer but rather recording a DVI hd signal. Some medical devices (ultrasound, fluoroscope) produce an HD image but only offer DVI outputs, with the intent of displaying on a HD monitor, or composite outputs.

Thus, screen capture software is irrelevant because these devices do not use a computer but rather a proprietary hardware/software combination (a black box).

Cheers.

Mike Cohen


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Chuck PullenRe: dvi to hd sdi converter
by on Feb 17, 2011 at 5:00:14 pm

I've heard good things about the "Brighteye" boxes: http://www.ensembledesigns.com/products/BrightEye

If you're looking for something a little cheaper, you may want to check Extron: http://www.extron.com/

I'm looking to get the same thing for my next project, and leaning towards Extron simply based on cost.

Chuck


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Mike CohenRe: dvi to hd sdi converter
by on Feb 17, 2011 at 7:11:14 pm

Thanks for the links.

This device looks promising too:
http://www.matrox.com/video/en/products/pc/convert_dvi_family/


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Bob ZelinRe: dvi to hd sdi converter
by on Feb 17, 2011 at 10:57:25 pm

there is also this -
http://www.bhphotovideo.com/c/product/620820-REG/Blackmagic_Design_HDLEXT_D...

but it will not scan convert. So if your DVI signal is not a 29.97 signal (and is 30 for example), you will not be able to output to a professional recording device (like an AJA Ki Pro, or AJA or Blackamgic card).

I have personally used the Ensemble MITTO, but it's 5 grand. Yes, it works great. The Matrox you just found for $1000 sounds just like the Ensemble MITTO, but I have never personally tried it.

Bob Zelin



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Mike CohenRe: dvi to hd sdi converter
by on Feb 18, 2011 at 3:01:21 pm

Thanks Bob.

This lower cost Blackmagic box looks like it might work. Looking to record the HD-SDI signal to this:
http://www.bhphotovideo.com/c/product/625609-REG/Panasonic_AG_HMR10_AG_HMR1...

Just need to find out the frame rate of the various devices. You raise a good point. Ultrasound and C-Arm imaging is likely not going to be a standard video frame rate. That being said, I have recorded such signals without incident to DVCAM and DVCPRO25.


Mike


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Mark SuszkoRe: dvi to hd sdi converter
by on Feb 18, 2011 at 10:24:44 pm

"He says he doesn't like you..."


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Atticus Culver-ReaseRe: dvi to hd sdi converter
by on Feb 19, 2011 at 7:12:45 pm

I've done almost exactly what it sounds like you're doing (DVI output from a medical scope converted to SDI for recording) using a Folsom ImagePro HD scan converter. It's been a couple years since I did it last, so there may be other/better options available now, but I used the ImagePro for this on a number of occasions and it always worked great. The nice thing about the Folsom is that it has every option you could want for handling the resolution and frame rate conversions needed, so no matter what sort of signal the DVI is sending you, you should be able to convert it happily.


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Michael KammesRe: dvi to hd sdi converter
by on Feb 19, 2011 at 9:12:06 pm

I second the Matrox Convert DVI. The Plus unit - shipping shortly - allows for even more control. Check it out.



.: michael kammes mpse
.: senior applications editor . post workflow consultant
.: audio specialist . act fcp . acsr
.: michaelkammes.com
.: twitter: @michaelkammes
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walter biscardiRe: dvi to hd sdi converter
by on Feb 22, 2011 at 11:30:58 am

Doesn't AJA have this? they make the best converters on the market.

If not, try BlackMagic.

Walter Biscardi, Jr.
Editor, Colorist, Director, Writer, Consultant, Author, Chef.
HD Post and Production
Biscardi Creative Media

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Michael KammesRe: dvi to hd sdi converter
by on Feb 22, 2011 at 2:49:12 pm

You'd think, Walter!

AJA has the HDP2, which is HDSDI-DVI, not vice versa.

BM has the DVI Extender, which can be set to a "video mode" instead of just being the first part of extending DVI over BNC. It involves installing drivers on the host CPU, and I've found is somewhat flakey at some resolutions.

The Convert DVI is pretty darn good.

~Michael



.: michael kammes mpse
.: senior applications editor . post workflow consultant
.: audio specialist . act fcp . acsr
.: michaelkammes.com
.: twitter: @michaelkammes
.: facebook: /mkammes

Hear me pontificate: Speaking Schedule .


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