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This topic comprises 3 pages: 1 2 3
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Author
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Topic: Oppo Responds To On-Screen Display Question
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Marcel Birgelen
Film God
Posts: 3357
From: Maastricht, Limburg, Netherlands
Registered: Feb 2012
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posted 01-04-2013 01:08 PM
quote: Wolfgang Woehl Re MPEG DCP: We're talking MPEG2 MP@HL bitrates, way sufficient for bluray source. 12 bpc JPEG2000 makes no sense at all for that kind of material.
Let's agree to disagree on this one.
MPEG2, even at MP@HL will have more compression artifacts than a string of JPEG2000 pictures. And yes, I do have my experiences. I've transcoded quite a bunch of content from Blu-Ray sources to MPEG2 at high bitrates. It's OK, good enough for normal HD-TV purposes, but nothing that I would want to present on a BIG screen.
The JPEG2000 version on the other hand looks quite indistinguishable from the Blu-Ray master.
Actually, most people will probably not really notice the difference, but most people even won't notice the difference between 35mm or digital, unless you specifically tell them...
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Frank Angel
Film God

Posts: 5305
From: Brooklyn NY USA
Registered: Dec 1999
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posted 01-24-2013 09:51 PM
quote: Mike Blakesley I have a very low-tech solution --- I have a cardboard "door" on the port window.
Mike -- How about this -- still low-tech, but a tad cooler, and you'll put some old hardware to use.
Take an old CD-ROM/DVD unit from a junked computer, cut piece of black construction paper the size of a CD and glue it in the caddy draw where the CD/DVD would have gone. Mount the whole thing right in front of your projector lens. Wire up the push-button terminals to an external switch that you mount next to your BluRay player. Ready to start the show? Press the button and, bingo, the CDROM draw (let's call it a dowser) opens and covers the projector lens for you. Press you switch again and it the "dowser" shuts. Not bad for making use of those CD-ROM units.
We have about a dozen of those CD-ROM units just sitting in a cardboard box because every time we buy a new computer, we strip the old one and save parts...for what, I don't know, but at least there's a use for one of them. Oh yah, you will also need to power it. Well, you know all those AC to 12DC power supply widgets that come with every small electronic gadget like computer speakers? You know, the dozen or so you have sitting in a cardboard box because every time you buy a new gadget, you throw away the old gadget, but you still have it's power supply and you don't throw that away because you can't remember exactly what is for, so you save it...you kno, in that cardboard box with all the other orphaned power supply widgets. Well, use one of them to power up your new automatic projector dowser!
Disclaimer -- I never got around to doing this, just thought it up so if you do use it, let us know how it works out.
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This topic comprises 3 pages: 1 2 3
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