![]() It does the same in the shadows too although you can’t notice from my grade which brings the exposure down a notch from the original. This maintains the punchy grade I did in Premiere but bringing the output levels down whilst keeping the input levels at 0-255 fixes the problem and brings all the detail present in the AVCHD back into the image, such as the shirt and cloud detail. This flaw is visible whether editing the native AVCHD MTS file in Premiere CS5.5 or gimping at them in Quicktime X and VLC Player. I’ve graded this footage but the grade has nothing to do with the blow highlights. As a result the cloud looks like it was shot on an iPhone. There’s also a sudden drop at the transition between light grey and white, because light grey is 235 and the remaining 16 steps of transition to white is not there any more. The highlights on the player’s shirt and on the large cloud are blown out, lending the footage a flawed digital look. Here’s my solution and best of all it is simple, free and doesn’t involve 5DToRGB any more. The problem also occurs on other cameras that record in AVCHD such as the Sony NEX series and Panasonic GH2. One of the things I love above Adobe Premiere is that you can edit AVCHD natively as if it was recording in ProRes in-camera so to go back to transcoding again was a real pain.Īpple’s new Mountain Lion, I found yesterday does not fix the problem although it does add AVCHD playback support to Quicktime X (finally)! The latest Premiere CS6 does not fix the issue either. Unfortunately until now, fixing it involved a lot of wasted drive space and a very time consuming transcoding session to ProRes with 5DToRGB. When fixed, you recover over 10% of your dynamic range, highlight and shadow detail, along with a much smoother roll off to whites and blacks. This makes a huge difference to the image. Therefore apps that use Quicktime at their core like Premiere, trip up. This Rec.709 portion of a 601 space (16-235 instead of the full 0-255 the FS100 shoots in) is incorrectly remapped to 0-255 by Quicktime. It is no wonder these cameras often get a bad reputation for limited dynamic range, crushed shadows and blown highlights – when you are only seeing the middle part of the full 8bit range of luma. ![]() ![]() ![]() Don't post too much about that (keep it as simple as you do or don't believe it).As I recently found with my FS100 Macs really seem to hurt your AVCHD footage from Sony cameras and the Panasonic GH2… But especially the Sony FS100. There is stuff you got to do with programs like 5DtoRGB by Rarevision and whatnot, but I just don't know what exactly to do.īy the way, I am more concerned about achieving the 4:2:0 to 4:4:4 conversion (which I know is possible) than I am the bitrate, that's why I say: if you don't believe in the 8-Bit to 10-Bit part of things, I don't care. SO STRAIGHT UP, regardless if you don't believe 4K 8-Bit can become 2K 10-Bit, how do you properly downsample 4K/UHD 4:2:0 to 2K/HD 4:4:4? I know it's not as simple as editing 4K files in a 2K sequence in a NLE. So I read a lot of forums and discussions, and now I have to get directly involved because I cannot seem to find a "how to" when it comes to downsampling 4K/UHD 4:2:0 8-Bit to 2K/HD 4:4:4 10-Bit?Įvery time someone seems to ask this question on a forum, everybody seems to get sidetracked with their opinions and showing-off their knowledge beyond the asking question so much that it pretty much never gets answered. ![]()
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