{"id":5645,"date":"2018-11-16T19:02:37","date_gmt":"2018-11-16T18:02:37","guid":{"rendered":"https:\/\/prototyp.boinx.com\/?p=5645"},"modified":"2023-01-30T08:31:45","modified_gmt":"2023-01-30T07:31:45","slug":"subsampling-de-croma-essencial-para-video-em-direto","status":"publish","type":"post","link":"https:\/\/mimolive.com\/pt\/live-video-essentials-chroma-subsampling\/","title":{"rendered":"O que \u00e9 a Subamostragem de Chroma | LSE - E05"},"content":{"rendered":"<p>Fundamentos do Live Streaming<br>Neste epis\u00f3dio, Leo responde \u00e0 quest\u00e3o do que \u00e9 a subamostragem crom\u00e1tica. Ele explica tudo o que \u00e9 preciso saber sobre a subamostragem de Chroma, uma t\u00e9cnica de compress\u00e3o de h\u00e1 d\u00e9cadas atr\u00e1s que ainda \u00e9 utilizada nos v\u00eddeos modernos. <\/p>\n\n\n\n<h3 class=\"wp-block-heading\">O que \u00e9 4:4:4, 4:2:2 e 4:2:0? <\/h3>\n\n\n\n<p>Saiba como pode reduzir o tamanho dos ficheiros do seu v\u00eddeo e o que isso significa para a qualidade da imagem.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n <div class=\"brlbs-cmpnt-container brlbs-cmpnt-content-blocker brlbs-cmpnt-with-individual-styles\" data-borlabs-cookie-content-blocker-id=\"youtube-content-blocker\" data-borlabs-cookie-content=\"PGlmcmFtZSB0aXRsZT0iV2hhdCBpcyBDaHJvbWEgU3Vic2FtcGxpbmcgfCBMU0UgLSBFMDUiIHdpZHRoPSI4MDAiIGhlaWdodD0iNDUwIiBzcmM9Imh0dHBzOi8vd3d3LnlvdXR1YmUtbm9jb29raWUuY29tL2VtYmVkL2ZrejItSlZhWURrP2ZlYXR1cmU9b2VtYmVkIiBmcmFtZWJvcmRlcj0iMCIgYWxsb3c9ImFjY2VsZXJvbWV0ZXI7IGF1dG9wbGF5OyBjbGlwYm9hcmQtd3JpdGU7IGVuY3J5cHRlZC1tZWRpYTsgZ3lyb3Njb3BlOyBwaWN0dXJlLWluLXBpY3R1cmU7IHdlYi1zaGFyZSIgYWxsb3dmdWxsc2NyZWVuPjwvaWZyYW1lPg==\"><div class=\"brlbs-cmpnt-cb-preset-c brlbs-cmpnt-cb-youtube\"> <div class=\"brlbs-cmpnt-cb-thumbnail\" style=\"background-image: url('https:\/\/mimolive.com\/wp-content\/uploads\/borlabs-cookie\/1\/yt_fkz2-JVaYDk_hqdefault.jpg')\"><\/div> <div class=\"brlbs-cmpnt-cb-main\"> <div class=\"brlbs-cmpnt-cb-play-button\"><\/div> <div class=\"brlbs-cmpnt-cb-content\"> <p class=\"brlbs-cmpnt-cb-description\">Est\u00e1 atualmente a visualizar um conte\u00fado de marcador de posi\u00e7\u00e3o de <strong>YouTube<\/strong>. Para aceder ao conte\u00fado real, clique no bot\u00e3o abaixo. Tenha em aten\u00e7\u00e3o que, ao faz\u00ea-lo, ir\u00e1 partilhar dados com fornecedores terceiros.<\/p> <a class=\"brlbs-cmpnt-cb-provider-toggle\" href=\"#\" data-borlabs-cookie-show-provider-information role=\"button\">Mais informa\u00e7\u00f5es<\/a> <\/div> <div class=\"brlbs-cmpnt-cb-buttons\"> <a class=\"brlbs-cmpnt-cb-btn\" href=\"#\" data-borlabs-cookie-unblock role=\"button\">Desbloquear conte\u00fados<\/a> <a class=\"brlbs-cmpnt-cb-btn\" href=\"#\" data-borlabs-cookie-accept-service role=\"button\" style=\"display: inherit\">Aceite o servi\u00e7o requerido e desbloqueie conte\u00fados<\/a> <\/div> <\/div> <\/div><\/div>\n<\/div><\/figure>\n\n\n\n<p>Este v\u00eddeo faz parte da sua s\u00e9rie de v\u00eddeo \"<a href=\"https:\/\/youtube.com\/playlist?list=PLqmpupU7CLwgcrQrLumrUOIhNlGOj0ens\" target=\"_blank\" rel=\"noopener\">Fundamentos do Live Streaming<\/a>\" em que Leo fala sobre os fundamentos dos t\u00f3picos de v\u00eddeo ao vivo para o ajudar a come\u00e7ar e a crescer para al\u00e9m do n\u00edvel de principiante.<br>Transforme o seu Mac num est\u00fadio de produ\u00e7\u00e3o de v\u00eddeo ao vivo com mimolive, descarregue o seu teste gratuito:<br>\u25b8 <a href=\"https:\/\/mimolive.com\/pt\/\">https:\/\/mimolive.com\/<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Live Streaming EssentialsIn this episode, Leo answers the question of what is chroma subsampling. He explains everything you need to know about Chroma Subsampling, a compression technique from decades ago that is still used in modern videos. What is 4:4:4, 4:2:2 and 4:2:0? Learn how you can reduce the file sizes of your video and [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_angie_page":false,"_lmt_disableupdate":"","_lmt_disable":"","page_builder":"","footnotes":""},"categories":[3,5,6,254],"tags":[13],"class_list":["post-5645","post","type-post","status-publish","format-standard","hentry","category-advanced","category-getting-started","category-live-streaming-essentials","category-academy","tag-academy"],"acf":[],"modified_by":null,"_links":{"self":[{"href":"https:\/\/mimolive.com\/pt\/wp-json\/wp\/v2\/posts\/5645","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mimolive.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mimolive.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mimolive.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mimolive.com\/pt\/wp-json\/wp\/v2\/comments?post=5645"}],"version-history":[{"count":0,"href":"https:\/\/mimolive.com\/pt\/wp-json\/wp\/v2\/posts\/5645\/revisions"}],"wp:attachment":[{"href":"https:\/\/mimolive.com\/pt\/wp-json\/wp\/v2\/media?parent=5645"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mimolive.com\/pt\/wp-json\/wp\/v2\/categories?post=5645"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mimolive.com\/pt\/wp-json\/wp\/v2\/tags?post=5645"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}