{"id":222,"date":"2026-01-09T15:51:53","date_gmt":"2026-01-09T18:51:53","guid":{"rendered":"https:\/\/vargolino.com\/wp\/?p=222"},"modified":"2026-01-09T15:51:53","modified_gmt":"2026-01-09T18:51:53","slug":"chroma-subsampling-444-test","status":"publish","type":"post","link":"https:\/\/vargolino.com\/wp\/?p=222","title":{"rendered":"Chroma subsampling 4:4:4 test"},"content":{"rendered":"\n<p>I use a TV as a monitor on my PC so every now and then it powers on with a few settings changed (probable due to nvidia driver updates or something like it) and it normally changes the Output color format, from RGB to YCbCr444 or YCbCr420. I&#8217;m not going to pretend I understand it, I just want it to look good (to me) so I usually look for this forum post:<\/p>\n\n\n\n<p><a href=\"https:\/\/hardforum.com\/threads\/chroma-subsampling-where-it-is.2002403\">https:\/\/hardforum.com\/threads\/chroma-subsampling-where-it-is.2002403<\/a><\/p>\n\n\n\n<p>Looking for this image:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/vargolino.com\/wp\/wp-content\/uploads\/2026\/01\/390529_chroma-444.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/vargolino.com\/wp\/wp-content\/uploads\/2026\/01\/390529_chroma-444-1024x576.png\" alt=\"\" class=\"wp-image-223\" srcset=\"https:\/\/vargolino.com\/wp\/wp-content\/uploads\/2026\/01\/390529_chroma-444-1024x576.png 1024w, https:\/\/vargolino.com\/wp\/wp-content\/uploads\/2026\/01\/390529_chroma-444-300x169.png 300w, https:\/\/vargolino.com\/wp\/wp-content\/uploads\/2026\/01\/390529_chroma-444-768x432.png 768w, https:\/\/vargolino.com\/wp\/wp-content\/uploads\/2026\/01\/390529_chroma-444.png 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p>I also found this other one<\/p>\n\n\n\n<p><a href=\"https:\/\/testufo.com\/chroma#\">https:\/\/testufo.com\/chroma#<\/a><\/p>\n\n\n\n<p>That show it in motion also trying to show more subsampling nuances.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I use a TV as a monitor on my PC so every now and then it powers on with a few settings changed (probable due to nvidia driver updates or something like it) and it normally changes the Output color format, from RGB to YCbCr444 or YCbCr420. I&#8217;m not going to pretend I understand it, &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/vargolino.com\/wp\/?p=222\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Chroma subsampling 4:4:4 test&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-222","post","type-post","status-publish","format-standard","hentry","category-solution","entry"],"_links":{"self":[{"href":"https:\/\/vargolino.com\/wp\/index.php?rest_route=\/wp\/v2\/posts\/222","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vargolino.com\/wp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vargolino.com\/wp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vargolino.com\/wp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/vargolino.com\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=222"}],"version-history":[{"count":1,"href":"https:\/\/vargolino.com\/wp\/index.php?rest_route=\/wp\/v2\/posts\/222\/revisions"}],"predecessor-version":[{"id":224,"href":"https:\/\/vargolino.com\/wp\/index.php?rest_route=\/wp\/v2\/posts\/222\/revisions\/224"}],"wp:attachment":[{"href":"https:\/\/vargolino.com\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=222"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vargolino.com\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=222"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vargolino.com\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=222"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}