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This is a stretch

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Neal Klaeser
This is a stretch
on Nov 2, 2011 at 11:55:08 am

I know that this is a stretch but I need to monitor my HD edit on a professional SD monitor. How can I attach this to my iMac? Can I loop it through a camera or through my mini-display port? I know the image would be letterboxed. Is there a converter out there that does this?

Neal Klaeser
Real to Reel Productions
http://www.realvideopro.com


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Rafael Amador
Re: This is a stretch
on Nov 2, 2011 at 12:23:10 pm

Hi Neal,
BlackMagic, AJA, Matrox and Motu has different solutions to get that done.
rafael

http://www.nagavideo.com


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Shane Ross
Re: This is a stretch
on Nov 2, 2011 at 12:54:07 pm

From an iMAC? Only if the iMac has Thunderbolt, and you get a Thunderbolt IO device like Matrox MXO2 Mini with TB, AJA IO XT.

Professional video monitoring and iMac is a rare thing. Only Thunderbolt makes it possible.

Shane

GETTING ORGANIZED WITH FINAL CUT PRO DVD...don't miss it.
Read my blog, Little Frog in High Def


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Mark Suszko
Re: This is a stretch
on Nov 2, 2011 at 2:54:56 pm

Well, mirror the desktop and run an adaptor from the VGA port into a scan converter and then into your SD monitor, I guess.


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Neal Klaeser
Re: This is a stretch
on Nov 2, 2011 at 4:37:23 pm

Well, I tried several methods of connecting HDTV displays to my iMac (which does not have a ThunderBolt connector) so I need to connect to mini-display port. When connecting a external consumer HDTV monitor via HDMI or VGA I was experiencing stuttering or strobing. I have been recommended to connect a Matrox MXO box between the iMac and the external monitor but I don't have the funds to afford a $1000 device right now. I ultimately connected an Apple Cinema Display and configured my desktop so that my bins are on the Cinema Display and I made the Canvas and Browser larger. If anyone has any other recommendations I am open to suggestions.

Neal Klaeser
Real to Reel Productions
http://www.realvideopro.com


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Shane Ross
Re: This is a stretch
on Nov 2, 2011 at 4:39:59 pm

Just know that this will be far from color accurate. But a decent method for client monitoring.

Shane

GETTING ORGANIZED WITH FINAL CUT PRO DVD...don't miss it.
Read my blog, Little Frog in High Def


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Bret Williams
Re: This is a stretch
on Nov 2, 2011 at 4:43:15 pm

If you have a firewire device, like a dsr-20 or DV camera, then you can use that for your video out and the video out will be letterboxed. There are some caveats, the RT is lessened, and even at a full render I think it's a little sampled but I might be remembering wrong. BUT, it should be the right NTSC color for color correction and such. Just getting down converted to DV. I did this for awhile when started working with HD, but everything was going out SD to DVDs or even to DVCam tape.

Your HD AE work can also be mirrored and monitored this way.


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Bret Williams
Re: This is a stretch
on Nov 2, 2011 at 4:52:43 pm

Ok, just to update I tried it just now. My 1080i ProRes Sequence looks like hell fully rendered, full quality playback. Main reason is it's a really harsh interpolated downsample, and the interlacing isn't really supported I don't think. BUT BUT BUT this is pretty cool. Near perfect results by playing with the RT controls to the left of the sequence. I set it to medium and I think that removes every other line, essentially deinterlacing it, and now the interpolated downsample looks great because it's dealing with half the data. Counterintuitive, but nearly dead on for working with a client or for color correction.

Try it.


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David Roth Weiss
Re: This is a stretch
on Nov 2, 2011 at 4:53:46 pm

[Bret Williams] "BUT, it should be the right NTSC color for color correction and such. Just getting down converted to DV."

Not really Bret. It's better than a computer monitor, but a different color space than HD. That doesn't make it a deal-breaker, just that it's not truly accurate, just a close approximation, that is close enough for many.

David Roth Weiss
Director/Editor/Colorist
David Weiss Productions, Inc.
Los Angeles
http://www.drwfilms.com

Don't miss my new Creative Cow Podcast: Bringing "The Whale" to the Big Screen:
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Creative COW contributing editor and a forum host of the Business & Marketing and Apple Final Cut Pro forums.


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Bret Williams
Re: This is a stretch
on Nov 2, 2011 at 5:03:11 pm

Well he needed it on an SD monitor, so the color space is going to be different whether it comes from the SD out of my Matrox or the DV deck. I'm no expert on the differences between HD and SD color space. What are they exactly? I mean in FCP the scopes are the same. Rendering in AE to Pro Res the only difference is the scale of the image. Nothing I do has been affected by differences between the two. I still keep my whites under 100 or less, I keep my blacks at 0, etc.


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Neal Klaeser
Re: This is a stretch
on Nov 2, 2011 at 4:55:42 pm

Yes, you are right regarding the sampling or buzzing so I think I will just stay with the way I have it currently configured until I invest in a Matrox box or something like it.

Neal Klaeser
Real to Reel Productions
http://www.realvideopro.com


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Bret Williams
Re: This is a stretch
on Nov 2, 2011 at 5:04:32 pm

Try it with your RT to medium. No buzzing. Especially if you're working in Progressive.


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Bret Williams
Re: This is a stretch
on Nov 2, 2011 at 5:08:00 pm

One other method. Nest your HD edit in a NTSC DV sequence. If the HD edit is rendered, it should play back in RT in the DV sequence, which you can also monitor via FireWire to your deck. Might even have better results than my other method.


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Neal Klaeser
Re: This is a stretch
on Nov 2, 2011 at 5:27:25 pm

My initial reason for going through all this was to monitor on a HDTV as a larger image instead of watching the video in a 5" canvas window. I wasn't even that concerned whether it was being viewed on a professional HD monitor a consumer monitor would of just been fine to me. With this client, I shot green screen and wanted to view it larger to catch errors in the key. But, it seems it's a little more complicated than first thought.

Neal Klaeser
Real to Reel Productions
http://www.realvideopro.com


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Bret Williams
Re: This is a stretch
on Nov 2, 2011 at 6:45:58 pm

I'm confused. You specifically asked for a method to monitor your HD footage on a professional SD monitor. You didn't mention wanting to monitor on an HD monitor.


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Neal Klaeser
Re: This is a stretch
on Nov 3, 2011 at 6:43:59 pm

I tried outputting through the mini- display port to a DVI connector going to a HDTV monitor but was unsuccessful because of some unknown reason. So, I accepted the fact that I wasn't going to be able to accomplish this so I thought the next best thing would be to monitor the HD signal through an SD monitor.

Neal Klaeser
Real to Reel Productions
http://www.realvideopro.com


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Rafael Amador
Re: This is a stretch
on Nov 2, 2011 at 5:28:12 pm

You get 10b out monitoring with ioHD through the FW800 of the iMac.
rafael

http://www.nagavideo.com


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Shane Ross
Re: This is a stretch
on Nov 2, 2011 at 5:34:02 pm

[Rafael Amador] "You get 10b out monitoring with ioHD through the FW800 of the iMac."

But it takes over the Firewire bus so you cannot have a firewire drive attached to the iMac as well...meaning the drive containing your media.

That and it costs $3400...

Shane

GETTING ORGANIZED WITH FINAL CUT PRO DVD...don't miss it.
Read my blog, Little Frog in High Def


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Rafael Amador
Re: This is a stretch
on Nov 3, 2011 at 4:37:43 am

[Shane Ross] "But it takes over the Firewire bus so you cannot have a firewire drive attached to the iMac as well...meaning the drive containing your media. "
Your right Shane.
i was thinking on the new iMacs with Thunderbolt: The Thunderbolts for media and the FW800 for the card (that's what I expect to do to keep running my eSAT drives and my ioHD).

[Shane Ross] "That and it costs $3400..."
This I was thinking on second hands. I thought would be a bunch in eBay :-)
rafael

http://www.nagavideo.com


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Bret Williams
Re: This is a stretch
on Nov 2, 2011 at 6:50:34 pm

If you have a second cinema display connected, just go to VIEW- Video Playback - Digital Cinema Desktop Preview

The second monitor is now a video monitor basically.


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