{"id":318,"date":"2018-01-19T13:42:27","date_gmt":"2018-01-19T13:42:27","guid":{"rendered":"http:\/\/disseny-test.uoc.edu\/materials\/prod-digital\/?page_id=318"},"modified":"2018-01-22T19:01:03","modified_gmt":"2018-01-22T19:01:03","slug":"5-2-6-ogg-vorbis","status":"publish","type":"page","link":"http:\/\/disseny-test.uoc.edu\/materials\/prod-digital\/5-2-6-ogg-vorbis\/","title":{"rendered":"5.2.6. Ogg Vorbis"},"content":{"rendered":"<div class=\"featured featured-blue\"><p><strong>Ogg<\/strong> \u00e9s un format de contenidor pensat per a diferents mitjans: \u00e0udio, v\u00eddeo, text.<\/p>\n<\/div>\n<p class=\"Normalesp\"><span lang=\"CA\">\u00c9s desenvolupat per la fundaci\u00f3 Xiph.org i busca oferir formats digitals de diferents mitjans sense cap tipus de propietat intel\u00b7lectual associada, de manera que qualsevol desenvolupador pugui utilitzar-lo simplement sense haver de pagar cap tipus de c\u00e0non.<\/span><\/p>\n<div class=\"featured featured-blue\"><p><a href=\"javascript:void(0);\" class=\"tooltip\" data-toggle=\"popover\" data-placement=\"bottom\" data-content=\"Vorbis no \u00e9s cap sigla, sin\u00f3 una refer\u00e8ncia a un personatge d\u2019una de les novel\u00b7les de la s\u00e8rie <em>Mundodisco<\/em>, de Terry Pratchett.\" data-placement=\"top\" data-html=\"true\" ><strong>Vorbis<\/strong><\/a> \u00e9s el c\u00f2dec concret per a comprimir \u00e0udio seguint esquemes similars a l\u2019MP3, \u00e9s a dir, eliminar les freq\u00fc\u00e8ncies que no s\u00f3n audibles per un hum\u00e0 i comprimir de la manera m\u00e9s eficient possible la resta.<\/p>\n<\/div>\n<p>La fundaci\u00f3 Xiph.org va decidir desenvolupar aquest format alternatiu quan Fraunhofer IIS \u2014la companyia propiet\u00e0ria d\u2019MP3\u2014 va acusar d\u2019infracci\u00f3 grups de desenvolupadors per usar el seu format sense pagar llic\u00e8ncia.<\/p>\n<p>La qualitat \u00e9s similar a la d\u2019un MP3 i la seva grand\u00e0ria una mica menor, per\u00f2 desgraciadament no \u00e9s tan est\u00e8s com el seu hom\u00f2leg propietari.<\/p>\n<h4><strong>Quan cal usar Ogg Vorbis?<\/strong><\/h4>\n<p>B\u00e0sicament en contexts en qu\u00e8 es valori la independ\u00e8ncia i distanciar-se del programari propietari i les patents. \u00c9s el format en qu\u00e8 un usuari de Linux s\u2019hauria de sentir m\u00e9s c\u00f2mode.<\/p>\n<p>Afortunadament, Ogg Vorbis est\u00e0 incl\u00f2s en l\u2019est\u00e0ndard d\u2019HTML 5 i pot usar-se directament en els navegadors Chrome i Firefox. Afegint un connector (<em>plug-in<\/em>), pot usar-se tamb\u00e9 a Safari.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00c9s desenvolupat per la fundaci\u00f3 Xiph.org i busca oferir formats digitals de diferents mitjans sense cap tipus de propietat intel\u00b7lectual associada, de manera que qualsevol desenvolupador pugui utilitzar-lo simplement sense haver de pagar cap tipus de c\u00e0non. La fundaci\u00f3 Xiph.org va decidir desenvolupar aquest format alternatiu quan Fraunhofer IIS \u2014la companyia propiet\u00e0ria d\u2019MP3\u2014 va acusar [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"inline_featured_image":false},"acf":[],"_links":{"self":[{"href":"http:\/\/disseny-test.uoc.edu\/materials\/prod-digital\/wp-json\/wp\/v2\/pages\/318"}],"collection":[{"href":"http:\/\/disseny-test.uoc.edu\/materials\/prod-digital\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/disseny-test.uoc.edu\/materials\/prod-digital\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/disseny-test.uoc.edu\/materials\/prod-digital\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/disseny-test.uoc.edu\/materials\/prod-digital\/wp-json\/wp\/v2\/comments?post=318"}],"version-history":[{"count":2,"href":"http:\/\/disseny-test.uoc.edu\/materials\/prod-digital\/wp-json\/wp\/v2\/pages\/318\/revisions"}],"predecessor-version":[{"id":575,"href":"http:\/\/disseny-test.uoc.edu\/materials\/prod-digital\/wp-json\/wp\/v2\/pages\/318\/revisions\/575"}],"wp:attachment":[{"href":"http:\/\/disseny-test.uoc.edu\/materials\/prod-digital\/wp-json\/wp\/v2\/media?parent=318"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}