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#31 |
Trustee
Join Date: Mar 2002
Location: Ann Arbor, MI
Posts: 1,334
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Thanks for the link.
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Jacques Mersereau University of Michigan-Video Studio Manager |
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#32 | |
Tourist
Join Date: Jun 2004
Location: Worthing, UK
Posts: 3
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Quote:
2) for blue screen why no go one step further and extract and compress the KEY on the fly and store it as an alpha channel, say a 250 level grey scale using LZW compression, then one could compress the actual image data further without damaging the key as a seperate data stream. Either way we should start thinking outside the box: Canon have kindly presented us with a great, pre-conformed SDI stream...lets make good use of it!! We just have to take that data and make different decisions to those forced on us by the HDV standard...one that suites OUR needs. The electronics for decoding SDI is off-the-shelf, just look at cards available for computer systems..they are cheap.
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Salsatap |
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#33 |
Major Player
Join Date: Mar 2003
Location: Los Angeles
Posts: 444
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I know the cool kids aren't supposed to stoop to using things like this but dammit I haven't had to do without a flip-out screen for 10 or 15 years, I love the range of camera placement you can get from it that you can't get when the eyepiece is chained to your head. Plus I have a glidecam and... ugh... how do you Xl1 veterans do it?
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#34 |
Obstreperous Rex
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Betsy, I've talked to several companies that import those little LCD monitors that you can put on top of a camera. I asked for a Canon XL version of something like a 4" screen, native 16:9, on a rotating slide rail that would slip onto the EVF mounting channel on the camera body. So far no dice. I bet it would sell like crazy.
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#35 |
Major Player
Join Date: Dec 2003
Location: Fort Worth, TX
Posts: 414
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I found a company that sells a mount for the EVF rail... I'll look for it and see if I can't find it again...
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#36 |
Obstreperous Rex
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Yes please, do tell! I'd love to find out who that is!
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#37 |
Major Player
Join Date: Dec 2003
Location: Fort Worth, TX
Posts: 414
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It actually took a little looking in some other DVInfo forums for me to find out who it was... It's a company that specializes in LCD monitors, specifically 2.35/2.4:1 and 16:9 LCDs... Anyways, if you look here, you'll notice that the monitor is mounted on the XL1 where the EVF goes... I emailed them at one time and I think it was around $100-$150 for this mount by it's lonesome... of course then you need and LCD that fits the multipin connector on the XL series cams... maybe with a diagram of the pins and someone whos good with soldering you could get something that would work... Or maybe this company sells something, I dunno...
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#38 |
Major Player
Join Date: Mar 2003
Location: Los Angeles
Posts: 444
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Thanks as always Chris and Kevin, nothing's simple in this life, is it? My main worry is that 24F thing. In the past none of those frame modes has been as good as the cameramaker's claimed; let's hope this is the first exception.
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#39 |
Major Player
Join Date: Feb 2005
Location: UK
Posts: 383
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How about a Playstation Portable as an external monitor, it's a great screen, can it accept video in?
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#40 |
Regular Crew
Join Date: Mar 2005
Location: Berlin, Federal Republic of Germany
Posts: 109
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Why does the Canon XL H1 not uncompressed 1080i 4:4:4 over HD-SDI?
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#41 | |
Trustee
Join Date: Apr 2005
Location: Chicago
Posts: 1,214
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Quote:
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#42 |
CTO, CineForm Inc.
Join Date: Jul 2003
Location: Cardiff-by-the-Sea, California
Posts: 8,095
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4:4:4 requires dual link HDSDI. Single HDSDI feed doesn't have enough bandwidth to support 4:4:4.
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David Newman -- web: www.gopro.com blog: cineform.blogspot.com -- twitter: twitter.com/David_Newman |
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#43 |
Trustee
Join Date: Apr 2005
Location: Chicago
Posts: 1,214
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David, When you said dual link SDI it hit me like a ton of bricks. That's what Liquid Chrome Editors have been asking for. I didn't make the connection because I've only worked in 422. Thanks for the reminder..
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#44 |
Major Player
Join Date: Sep 2001
Location: Andalucia, Spain
Posts: 301
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Broken link
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#45 |
Tourist
Join Date: Oct 2005
Posts: 2
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Is the HD-SDI output 8bit, 10 bit or 12 bit 4:2:2 ?
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