Latest issue on several PC: effect of flicker/bands/moire Preview and export

Recently, we discovered one of our PC flicker and strips in the preview window during playback and export.  Shortly after, the same question appeared on a different workstation.  What we see is a variant of problems which include, but are not limited to the following in the preview window and especially in our images:

  • Twinkle - video change brightness
  • Moire effect - can see a pattern graph during playback
  • Banding - we can distinguish clearly the lines horizontal or vertical, or sometimes both.
  • See the layers under layers of opacity 100%.  When two layers are stacked with images, you can see the images below, as if the top layer is at 97 percent, despite news that it is 100%.

These problems exist on multiple machines with different specifications, in all projects.  This is a project or a machine-based question.  All the effects taken out of clips in the timeline; the layer source footage looks a lot like the standalone player.  These problems occur with a new project with a white color matte.


Just spent 3 hours in live chat with a representative from Adobe who team-read remotely to see the same questions tests at base of solutions without success.  Everything has been tested rendering containers/codecs, local server vs, project management, clearing cache, etc.  These same projects do not show these questions a week ago.

All these situations lead me to think that it is a matter of first, something changed with the way first treats our records and it is a huge problem.  We are unable to deliver to customers because of this problem, the finals.

Ticket # 0185909669

Further development:

In the project settings > General, made video and reading: change of "Mercury Playback Engine software" only to 'Mercury Playback Engine Acceleration (CUDA) GPU' hit OK and by removing the current preview files, CUDA makes again and seems to fix this.

This option is displayed under the project settings (you would think this would only affect this specific project) and seems to apply to any project you open.  It is worth the time to check in the project settings what rendering engine is specified on open.

Depends on your system, allowing CUDA will speed up rendering.

This isolates the problem to the use of the single reading software.  As a suspect, a kind of coding between the communication of the first with the CPU is originally this bands/moire effect.  Somehow the communication between the driver and the GPU is different and does not present the same symptoms.

Tags: Premiere

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