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Problem with 265 mp4 file at high bitrate (50Mbs and above)

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  • #1

    Problem with 265 mp4 file at high bitrate (50Mbs and above)

    I have a project, filmed with the Sony AX-700, UHD, rec709, 8 bit, progressive. Matching projectsettings in Edius. Project looks fine in the player.
    First export was with H265 HEVC VBR 50Mbs and 70 Mbs as max. On a pc I saw artifacts, on my television (Samsung QLED Q7 2018) I saw artifacts and flickering in the high midtones.
    Next an export as HQX Superfine in Edius and then Handbrake with CBR at 50Mbs. No more artifacts, but still flickering in the high midtones. Very noticable. It looks like filming tl-lights with the wrong shutterspeed.

    I read somewhere that the 265 and 264 codec have some trouble at high bitrates. Any comment on that?
    I have no idea where to look to correct this. The television is relative new and high quality. So is the material used. Is it the codec or some stupid mistake I made?

    Chris
    System: Gigabyte Z390 Aorus Pro, Win10, i9 9900K, 16 Gb RAM 3200MHz, M2 SSD 250Gb for OS and Edius, M2 SSD 500Gb for projectfiles, several HDD for archieving, dual screen Benq PD2700U, GTX1070, Corsair H115i Watercooling, E9.5WG, Mercalli V4, TPMG Authoring Works 5, Davinci Resolve, Sony fdr-ax700
    Tags: None
    • #2
      Chris, you will need to get someone with a 7700k forward to test this for you.
      Were you using a 10bit project? Did you try creating a 10bit file?
      Handbrake evidently process in 8-bit only.
      Did you try using Lanczos Hi Quality?

      I do not have H.265 capabilities with my 4790k. However, here is an HDR 10-bit UHD 50p at 100Mbps file I did using the MW7 trial.
      Load the file on a thumb drive and try it on your QLED. I'm not seeing flickering on my LG LED HDR HD.
      Let me know if you do see flickering. If so, I can try testing it on an OLED and QLED here.

      https://drive.google.com/file/d/1GT0...ew?usp=sharing
      Last edited by Jerry; 09-15-2019, 04:35 PM.
      Jerry
      Six Gill DV



      Vistitle YouTube Channel
      https://www.youtube.com/channel/UCMVlxC8Am4qFbkXJRoPAnMQ/videos

      Main System:: Azrock z690 Taichi, [email protected], 64gb ram, Lian Li Galahad 360mm in push pull, Lian Li 011 Dynamic XL ROG case, 13 Lian Infinity fans, Win11 Pro , Samsung 980 1tb boot NVME, 2TB Sabrent M.2 NVME, 2 TB WD 850x NVME, 1TB Samsung SSD, 12TB Raid 0, BM MINI MONITOR 4K, , Dual LG 27GK65S-B 144Hz monitors, GTX 1080ti SC Black Edius X.

      Second System: EditHD Ultimax-i7, X58, [email protected], Corsair H80, Win764, 24gb ram, Storm 3g, Samsung 840 Pro 256, 4tb and 6tb RAID 0 on backplane, GTX 980ti Classified, Edius 9.55, Apple 30", Samsung 24", dual BD.

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        • #3
          Jerry,

          Thanks for above.

          It is no HDR, just simple straightforward rec.709, 8 bit, progressive, UHD. I did not expect any problem. Since I have this very visable problem, I wonder what is going on.

          Chris
          System: Gigabyte Z390 Aorus Pro, Win10, i9 9900K, 16 Gb RAM 3200MHz, M2 SSD 250Gb for OS and Edius, M2 SSD 500Gb for projectfiles, several HDD for archieving, dual screen Benq PD2700U, GTX1070, Corsair H115i Watercooling, E9.5WG, Mercalli V4, TPMG Authoring Works 5, Davinci Resolve, Sony fdr-ax700

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            • #4
              Did you watch my file? I'm curious if you see flickering.

              You should still try exporting your file as a 10bit file. At least to see if there is any difference.
              Jerry
              Six Gill DV



              Vistitle YouTube Channel
              https://www.youtube.com/channel/UCMVlxC8Am4qFbkXJRoPAnMQ/videos

              Main System:: Azrock z690 Taichi, [email protected], 64gb ram, Lian Li Galahad 360mm in push pull, Lian Li 011 Dynamic XL ROG case, 13 Lian Infinity fans, Win11 Pro , Samsung 980 1tb boot NVME, 2TB Sabrent M.2 NVME, 2 TB WD 850x NVME, 1TB Samsung SSD, 12TB Raid 0, BM MINI MONITOR 4K, , Dual LG 27GK65S-B 144Hz monitors, GTX 1080ti SC Black Edius X.

              Second System: EditHD Ultimax-i7, X58, [email protected], Corsair H80, Win764, 24gb ram, Storm 3g, Samsung 840 Pro 256, 4tb and 6tb RAID 0 on backplane, GTX 980ti Classified, Edius 9.55, Apple 30", Samsung 24", dual BD.

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                • #5
                  Is there a frame rate mismatch. AX700 I believe will shoot 25 P or 30 P UHD and I expect the TV displays at 50P.
                  Ron Evans

                  Threadripper 1920 stock clock 3.7, Gigabyte Designare X399 MB, 32G G.Skill 3200CL14, 500G M.2 NVME OS, 500G EVO 850 temp. 1T EVO 850 render, 16T Source, 2 x 1T NVME, MSI 1080Ti 11G , EVGA 850 G2, LG BLuray Burner, BM IP4K, WIN10 Pro, Shuttle Pro2

                  ASUS PB328 monitor, BenQ BL2711U 4K preview monitor, EDIUS X, 9.5 WG, Vegas 18, Resolve Studio 18


                  Cameras: GH5S, GH6, FDR-AX100, FDR-AX53, DJI OSMO Pocket, Atomos Ninja V x 2

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                    • #6
                      That TV should play all frame rates and distinguish the frame rate for each file played. I know my LG does.
                      Last edited by Jerry; 09-15-2019, 09:41 PM.
                      Jerry
                      Six Gill DV



                      Vistitle YouTube Channel
                      https://www.youtube.com/channel/UCMVlxC8Am4qFbkXJRoPAnMQ/videos

                      Main System:: Azrock z690 Taichi, [email protected], 64gb ram, Lian Li Galahad 360mm in push pull, Lian Li 011 Dynamic XL ROG case, 13 Lian Infinity fans, Win11 Pro , Samsung 980 1tb boot NVME, 2TB Sabrent M.2 NVME, 2 TB WD 850x NVME, 1TB Samsung SSD, 12TB Raid 0, BM MINI MONITOR 4K, , Dual LG 27GK65S-B 144Hz monitors, GTX 1080ti SC Black Edius X.

                      Second System: EditHD Ultimax-i7, X58, [email protected], Corsair H80, Win764, 24gb ram, Storm 3g, Samsung 840 Pro 256, 4tb and 6tb RAID 0 on backplane, GTX 980ti Classified, Edius 9.55, Apple 30", Samsung 24", dual BD.

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