{"id":1193,"date":"2015-05-06T09:58:59","date_gmt":"2015-05-06T09:58:59","guid":{"rendered":"http:\/\/multimedia.uoc.edu\/blogs\/lab3dav\/?p=1193"},"modified":"2015-05-06T10:18:12","modified_gmt":"2015-05-06T10:18:12","slug":"neteja-de-soroll-de-fons","status":"publish","type":"post","link":"http:\/\/multimedia.uoc.edu\/blogs\/lab3dav\/2015\/05\/06\/neteja-de-soroll-de-fons\/","title":{"rendered":"Neteja de soroll de fons"},"content":{"rendered":"<p>Quan enregistrem un \u00e0udio, una veu en off per exemple, hem de tenir en compte diversos factors senzills per a obtenir un so el m\u00e0xim de net possible.<\/p>\n<ol>\n<li>\u00c9s important parlar a prop del micr\u00f2fon. Quan m\u00e9s lluny ens situem m\u00e9s soroll de l&#8217;ambient s&#8217;agafar\u00e0 i pitjor quedar\u00e0 el so<\/li>\n<li>Si pot ser farem servir un micr\u00f2fon unidireccional i no omnidireccional<\/li>\n<li>Si podem, ajustarem els controls d&#8217;entrada de l&#8217;\u00e0udio del dispositiu amb el que enregistrem. Cercarem un volum correcte (ni massa fluix, ni saturat) del so<\/li>\n<\/ol>\n<p>Tot seguit mostrem dos clips d&#8217;una veu en off llegint un text. Un ha estat enregistrat amb els controls en autom\u00e0tic i l&#8217;altre amb els controls en manual. La difer\u00e8ncia del soroll de fons \u00e9s evident.<\/p>\n<p><iframe loading=\"lazy\" title=\"Animac OFF auto\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/5lRh8lYxK2g?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><br \/>\nClip enregistrat amb els controls en autom\u00e0tic. Es genera molt soroll de fons.<\/p>\n<p><iframe loading=\"lazy\" title=\"Animac OFF manual\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/JweGcHRFvlI?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><br \/>\nClip enregistrat amb els controls en manual. Es genera menys soroll de fons. Tot i aix\u00ed en queda encara una mica.<\/p>\n<p>&nbsp;<\/p>\n<p>Aquest soroll de fons el podem el.liminar amb Audition. Tot seguit en veurem el proc\u00e9s. Netejarem els dos \u00e0udios. El procediment en un i altre cas \u00e9s id\u00e8ntic. Per\u00f2 el resultat final podrem veure com \u00e9s millor en el cas que partim de l&#8217;enregistrament en manual. A l&#8217;haver-hi menys soroll de fons per el.liminar la qualitat final de la veu \u00e9s millor.<\/p>\n<p>https:\/\/www.youtube.com\/watch?v=BDcSnpTu4tU<\/p>","protected":false},"excerpt":{"rendered":"<p>Quan enregistrem un \u00e0udio, una veu en off per exemple, hem de tenir en compte diversos factors senzills per a obtenir un so el m\u00e0xim de net possible. \u00c9s important parlar a prop del micr\u00f2fon. Quan m\u00e9s lluny ens situem m\u00e9s soroll de l&#8217;ambient s&#8217;agafar\u00e0 i pitjor quedar\u00e0 el so Si pot ser farem servir &hellip; <\/p>\n<p class=\"link-more\"><a href=\"http:\/\/multimedia.uoc.edu\/blogs\/lab3dav\/2015\/05\/06\/neteja-de-soroll-de-fons\/\" class=\"more-link\">Continua llegint <span class=\"screen-reader-text\">\u00abNeteja de soroll de fons\u00bb<\/span><\/a><\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[104],"tags":[108,107,105,106],"class_list":["post-1193","post","type-post","status-publish","format-standard","hentry","category-audition","tag-enregistrament-audio","tag-neteja-de-so","tag-so","tag-soroll-de-fons","entry"],"_links":{"self":[{"href":"http:\/\/multimedia.uoc.edu\/blogs\/lab3dav\/wp-json\/wp\/v2\/posts\/1193","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/multimedia.uoc.edu\/blogs\/lab3dav\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/multimedia.uoc.edu\/blogs\/lab3dav\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/multimedia.uoc.edu\/blogs\/lab3dav\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"http:\/\/multimedia.uoc.edu\/blogs\/lab3dav\/wp-json\/wp\/v2\/comments?post=1193"}],"version-history":[{"count":7,"href":"http:\/\/multimedia.uoc.edu\/blogs\/lab3dav\/wp-json\/wp\/v2\/posts\/1193\/revisions"}],"predecessor-version":[{"id":1200,"href":"http:\/\/multimedia.uoc.edu\/blogs\/lab3dav\/wp-json\/wp\/v2\/posts\/1193\/revisions\/1200"}],"wp:attachment":[{"href":"http:\/\/multimedia.uoc.edu\/blogs\/lab3dav\/wp-json\/wp\/v2\/media?parent=1193"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/multimedia.uoc.edu\/blogs\/lab3dav\/wp-json\/wp\/v2\/categories?post=1193"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/multimedia.uoc.edu\/blogs\/lab3dav\/wp-json\/wp\/v2\/tags?post=1193"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}