Bill Ravens
Forum Replies Created
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I think the OP is really asking about the diff between RGB and YCrCb. MC used to mis-label things as RGB and 601/709, which is a totally different meaning than color space. In RGB color space, the primaries are carried in 3 channels, one each for R and G and B. In YCrCb, the primaries are carried as Y-luminance, Cr and Cb are mathematical differences in the color signals. Most cameras record in YCrCb. One can mathematically convert from one to the other, but, there are always errors due to roundoffs. Look up the two on Wikipedia for a deeper explanation.
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Dave,
I have good news and I have bad news. The good news is that both the AJA IO4K and the brand new BMD Ultrastudio Extreme 4K(DNxIO) work very well. The bad news is that these are very expensive. If you’re on a budget, the BMD mini-monitor works pretty good for HD, only. -
I had the MXO2 mini for many years, but, gave up on it several years ago. It was consistently problemmatic with Avid software.
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While not knowing, definitaiely, about the BMD Diskspeed Test, most diskspeed testers use a sequential read/write process. Video files, OTOH, are random read write. As you’ve discovered, that makes a significant difference to the actual thruput when real files are used, as opposed to test files.
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go to the avid website and download the quicktime versions of DNxHR
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“Affordable” is a relative term. Your best bet is to go with a monitor that has an ability to internally store a user generated LUT. Then, calibrate it with a tool like s p e c t r a c a l.NEC makes some nice models that do this with IPS displays. Short of this approach, it might make a lot of sense to buy a LUT box, like the Fuji IS-Mini, that you can plug in to any display. The only real requirement is to get a display that has an expanded colorspace, like the ones that have 99% Adobe RGB.
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The best thing going is Spectracal’s Calman RGB
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Unfortunately, the Profound Effects AVX plugin does not work in 64 bit versions of MC.
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It works fine on my Mavericks laptop…Macbook Pro/retina
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As Shane said, is it possible your footage is PSF (progressive segmented)? Some cams will shoot PSF, which is 25fps progressive embedded in 50i. If this is the case, you can force it to be 25p, as you did.