Why your Avengers UHD Blu-rays aren’t actually 4K | Upscaled

For high-resolution video and TV, 4K has pretty much become the default, but not for long. At IFA in 2018 we even saw companies talking about 8K, and Japan’s public broadcaster, NHK, has promised to film and broadcast the 2020 olympics in 8K
With all these pixels, you might be surprised to learn that most movies and TV shows are still edited at a measly 2K, even for big budget extravaganzas like Aquaman or Avengers. Often, that shiny Blu-ray you bought or the 4K HDR stream you’re about to watch was actually artificially upscaled from normal dumb HD. So what’s going on?
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