The video has likely been enlarged from a lower resolution (like 480p or 720p) to 4K or 8K using software like Topaz Video AI.
The "HQ" tag suggests that noise reduction, sharpening, and frame interpolation were applied to make the footage look modern. upscaled_(9)_HQ.mp4
In online communities, these files are often shared as high-definition versions of old anime scenes, music videos, or cinematic trailers. Technical Specifications (Estimated) Format: MP4 (MPEG-4 Part 14). The video has likely been enlarged from a
