Agreed that large double-blinded surveys with trained participants is pretty much the gold standard, and that there's no true objectivity about e.g. blurring vs

Agreed that large double-blinded surveys with trained participants is pretty much the gold standard, and that there's no true objectivity about e.g. blurring vs blocking. > Showing a smaller file that "looks the same" is easy, but deceptive. It's much better to show same-sized files and let the viewer assess their quality (this is what the comparison I linked does), but there are deceptive ways to do even this. See also this great old blog post about doing comparisons for video codecs: https://web.archive.org/web/20141103202912/http://x264dev.multimedia.cx/archives/472 https://web.archive.org/web/20141103202912/http://x264dev.mu...