If any issues appear (e.g., audio drift, colour shift), you can re‑run the encode with adjusted parameters (e.g., -crf higher/lower, enable -vsync 0 , or tweak filter strength).

Lanczos resampling is sharper but not magical. For actual detail recovery, use dedicated AI tools.

(Tools > Codec Information) to see the bitrate. A higher bitrate generally means better quality for the same resolution. Safety Warning

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