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Author
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Topic: DCP Sweep tone Sound tests
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Paul H. Rayton
Expert Film Handler
Posts: 210
From: Los Angeles, CA , USA
Registered: Aug 2003
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posted 01-27-2012 07:11 PM
My somewhat "antique" QuVis Cinema Player came with a pre-loaded set of tests, including several entitled "Rotating Sweep", in 5.1, 6.1, 7.1, and even 8.1 configurations. (8.1 is LS and RS together, equal level, for what would have been compliant with Dolby's "Surround EX" modes.)
It works just fine, my only complaint being that perhaps the sweep through the frequencies goes a bit quicker than I'd like. You get one pass through all speakers in the selected mode, and requires starting again if you want to repeat it again. I've not found an "auto-repeat" setting in there.
I'm not sure of the original maker -- Quvis?, but I could download it out of there, if anyone wants to try to play with it. I think that what I'd end up with, coming out of the player, would be a "QCC" file, which may only work on other Quvis machines, but I'd be willing to give it a whirl...
And there are two other sets of tests on the machine, too: pink noise, and channel ID sets, also in the multiple formats listed above. Are manufacturers not bothering to put on any diagnostic testing files on their systems any more?
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