![]() I use Declink capture for HD/SD SDI ingest at 10 bit for After Effects and Blender 3D. No drivers yet I think they are on the roadmap for later this year. I actually don't use my BM card for Edius 6.02 as it is not recognized by Edius. As in have you tried exporting a time line out to BM QT and imported straight back into the master time line for an A/B test? Or does anyone else reading know the answer? Have you had any experience with the Black Magic QT codecs, and do they work in Edius 6. But at least this way QT does not get in the way. It struck me as odd at first that we went onto their systems via Edius being slaved in VTR mode and SDI to do real time transfers. Their internal transfer was all via the switches in the machine room over SDI, I assume this was to overcome the incompatibility with gamma on file based transfers. They had Avid editing machines on QT, and Avid effects machines on AVI (cant remember the effects machine). The last post facility we used done client and internal transfers all via SDI. ![]() Manual attenuation by artificially compensating may just about work for one jump, but if this procedure is done a few times I think it has a compounding effect as QT decodes between each go. Yes, it's a serious issue, especially if files need to do a round trip to a few different systems and processes. Add to this colour space issues, and it is a real head ache. I am familiar with your shifting workflow, but while this does work, I would rather not have to second guess or destroy either the gamma or RGB levels. The whole gamma thing is applied by QT an not necessarily the NLE or rendering device, but because QT is part of the decoder/encoder from NLE's it appears and may well get hard coded at some point going between machines. You are absolutely correct, but it is not only just there for apple cinema displays, it has been there forever. Agreed this is not ideal but I use the AE RGB curves to match back to the NLE. I also read it was not a QT encoding function rather only for QT file playback, however, ask any after effects users (myself included) and there is most definitely a shift that has to be compensated for when round tripping files from NLE's to AE and back. I seem to remember reading on the FCP Users forum LA something regarding the difference in gamma when viewing QT files on a Mac vs PC where it was mentioned that Apple did this to make viewing on Apple cinema displays appear in their view more correct. If you go to you can upload up to 200 Meg quite easily. Would you mind posting a clip from the camera for me to have a look at, have never seen the quality from one first hand. If even FCP users with different versions of QT have issues, and they are on an Apple platform with Apple software and Apple QT, it does not bode well for the rest of the Universe. Having not used the AF100 but knowing how good Panasonic are, I would never expect a problem with it. Even using the Avid codecs as an export and import option, will give shifts at different levels with different variations on the codec used, whether it's gamma or RGB range or colour space it's still there. Either way, Quicktime does get in the middle of things and try to force a compensation that is not needed, at least on the PC platform for NLE's. But this can also be down to RGB range and the colour space. If you do a google on Quicktime gamma you will find a lot of info on it, or check this I was just trying to find out if any of the later QT codecs had been treated differently, as the gamma shift does change a certain degree between different ones. It's to do with Quicktime and the way it decodes the picture. ![]() It's an issue that's been around for a very long time. I have a Panasonic AF100, and when that camera came out, there was a lot of criticism of the picture quality and bad video noise from some people, but over on DVXUser (AF100 forum), it all turned out that different FCP versions were treating imported video levels differently, and it took months for some wise heads to sort through the maze on that one.
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