Vince Becquiot
Forum Replies Created
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Have you tried a full size/frame rate uncompressed export, letting Squeeze do the downscaling / deinterlacing work ?
I know the space requirements are bigger, but I would imagine your initial export would be quite a bit faster as a result.
Vince
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There was a very recent post about that issue:
https://forums.creativecow.net/readpost/3/870218?
Vince
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Here are my two bits…
I have one of those JVC switcher, haven’t used it in years, I could probably sell it to you for not much more than shipping cost. But that’s a really old unit.
Here’s the thing, you are sending this to projection, and these are the problems you will run into:
Color matching cameras: You are using different cameras, whith basically very little control over color, (and no sync generator), so a digital switcher such as the Screenpro will be of great help for color, and will handle sync.
Graphics: You can’t send a CPU output to a video switcher directly, without a scan converter (well unless it has a composite / SVideo out, but I won’t go there, that’s usually pretty ugly). Again, a ScreenPro will handle that input, and then you can send a VGA, or heck even DVI out to the projector.
Preview: You can preview all the switcher inputs on a computer monitor or LCD panel.
Sizing for projection: You will have control of size/ratio of every input/ output.
Finally you can dissolve/wipe between evey input, do lower thirds from graphics, basically most of what a video switcher can do.
In summary, you’ ll spend twice as much in equipment to make this happen, and will have to dowconvert graphics, than you would with a single switcher.
Vince
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Hi Aanarav,
No, just in the default 8 bit. I actually noticed the same type of shift when using simple AE transitions such as page turn in Premiere.
Vince
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You haven’t mentioned how this is being recorded, or broadcast ?
If you are just going to projection and recording ISOs, you could rent a Folsom Screen pro with a controller, that would handle all your inputs. A scan converter will also be needed if you want to record its live output.
Vince
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Ouch, on Vista ???
I couldn’t get PP2 to run on the OFFICIAL release on one of my machines, never mind the beta 🙂
Wipe it out and install XP if you want to get any work done.
Vince
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go to Start > Run and then Type “Regedit”
Vince
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Here the before / after scope pics.
BEFORE
AFTER
Vince
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Mike, thanks for looking at this.
I have to say, it happens on two machines with both ATI Radeon cards (a 9200 and a 9800)
This is happening through firewire as well however…
Now, tell me I’m not crazy, here’s a 3 frame sample I exported using QT animation RGB + Alpha.
https://www.kaptis.com/media/web/Lower 3rd.zip
Set its opacity to 0 and look at frames 2 and 3.
It ONLY happens on DV footage, not on images, mattes, etc…
Let me know what you think..
Thanks,
Vince
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I forgot to mention that the Chroma in that particular footage peaks at around 117, so my scope might show a more drastic shift.
Vince