Here's a review of the AI-upscaled 4K version of Star Trek: Deep Space Nine Season 1, released in 2020:
4.5/5
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The audio quality remains the same as the original releases, with the 5.1 surround sound mix still impressive. The sound effects, music, and performances by the cast are all preserved in their original glory. star+trek+deep+space+9+s01+ai+upscale+4k+2020+better
The AI-upscaled 4K version of DS9 S01 offers a noticeable improvement over the original SD and HD releases. The upscale process, done by a third-party AI tool, has done an impressive job of enhancing the picture quality, making it look more detailed and crisp. The colors are more vibrant, and the overall image is cleaner, with reduced noise and artifacts. Here's a review of the AI-upscaled 4K version