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Petri5
Petri5
Participant
May 16, 2023
Question

Moving from PP 2022 to PP 2023 breaks scaling in renders

  • May 16, 2023
  • 2 replies
  • 149 views

After updating from Premiere Pro 2022 to 2023 (using the latest 23.4) I noticed a problem with scaling.

 

If you have different video layers / graphics in a HD sequence (for example 1080p) and render the timeline to 720x576 (DV PAL Widescreen 1.46), the end result is much blurrier than what you get from the version 2022 with the exact same settings. Let's say you put a png image of a book with text on it and render it from a 1080p timeline into a DV PAL video.

 

 

It only happens with when using CUDA, but software rendering is slow and also seems to be buggy.

 

You can work around this issue by rendering the sequence in its original resolution, and then render that video into SD. This just demonstrates that something is wrong with the scaling inside Premiere.

 

I'm using Windows 10 pro with latest Nvidia Studio drivers. First I thought it was the Nvidia drivers, but it actually is Premiere Pro (and Media Encoder gives the same result).

This topic has been closed for replies.

2 replies

Petri5
Petri5Author
Participant
November 15, 2023

The issue is still present in Premiere 2024. You can see it in the Export, even in the preview. Just try to downscale render a HD video to SD (like DV PAL WIDESCREEN).

Petri5
Petri5Author
Participant
May 17, 2023

In fact, I noticed it affects both video and graphical elements = everything. It's harder to see in video unless you have a lot of fine details, but it's there.

 

Two other points which touch this subject:


1. I have noticed that regardless of Premiere version, rendering an SD video from a HD timeline which contains nested sequences that are scaled in the Effects Controls panel, you can get blurry results. I don't mean upscaling but scaling in general.

2. If you have edited music with cuts and cross fades, rendering from a HD sequence to SD video has sometims resulted in syncing problems.

 

Rendering an unscaled video (HD to HD) and then converthing the video afterwards seems to be the only work around for these as well. Sometimes I have had to render a mixdown of the audio tracks though.

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