{"id":607,"date":"2017-09-03T13:38:21","date_gmt":"2017-09-03T11:38:21","guid":{"rendered":"http:\/\/agora.xtec.cat\/col-carmelites\/?page_id=607"},"modified":"2017-09-03T16:02:28","modified_gmt":"2017-09-03T14:02:28","slug":"altaveu","status":"publish","type":"page","link":"https:\/\/agora.xtec.cat\/col-carmelites\/estudis\/altaveu\/","title":{"rendered":"Altaveus"},"content":{"rendered":"<p>Un\u00a0<b>altaveu<\/b>\u00a0\u00e9s un\u00a0<a title=\"Transductor\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Transductor\">transductor<\/a>\u00a0electroac\u00fastic que converteix un\u00a0<a title=\"Senyal el\u00e8ctric\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Senyal_el%C3%A8ctric\">senyal el\u00e8ctric<\/a>\u00a0en\u00a0<a title=\"So\" href=\"https:\/\/ca.wikipedia.org\/wiki\/So\">so<\/a>. En els sistemes de m\u00fasica \u00e9s l&#8217;element que m\u00e9s determina la qualitat del so. En la seva versi\u00f3 redu\u00efda, on s&#8217;aplica directament a l&#8217;orella de l&#8217;oient, rep el nom d&#8217;<a title=\"Auricular\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Auricular\">auricular<\/a>.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n\r\n\t<div class=\"slideshow_container slideshow_container_style-light\" style=\"height: 300px; \" data-slideshow-id=\"627\" data-style-name=\"style-light\" data-style-version=\"2.3.1\" >\r\n\r\n\t\t\t\t\t<div class=\"slideshow_loading_icon\"><\/div>\r\n\t\t\r\n\t\t<div class=\"slideshow_content\" style=\"display: none;\">\r\n\r\n\t\t\t<div class=\"slideshow_view\">\r\n\t\t\t\t<div class=\"slideshow_slide slideshow_slide_image\">\r\n\t\t\t\t\t\t\t\t\t\t\t<img src=\"https:\/\/agora.xtec.cat\/col-carmelites\/wp-content\/uploads\/usu25\/2017\/09\/Altaveu.jpg\" alt=\"Altaveu3\" width=\"1485\" height=\"1500\" \/>\r\n\t\t\t\t\t\t\t\t\t\t<div class=\"slideshow_description_box slideshow_transparent\">\r\n\t\t\t\t\t\t<div class=\"slideshow_title\">Altaveu3<\/div>\t\t\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\r\n\t\t\t\t\t\t<div style=\"clear: both;\"><\/div><\/div><div class=\"slideshow_view\">\r\n\t\t\t\t<div class=\"slideshow_slide slideshow_slide_image\">\r\n\t\t\t\t\t\t\t\t\t\t\t<img src=\"https:\/\/agora.xtec.cat\/col-carmelites\/wp-content\/uploads\/usu25\/2017\/09\/altaveus2.jpg\" alt=\"altaveus2\" width=\"2595\" height=\"2181\" \/>\r\n\t\t\t\t\t\t\t\t\t\t<div class=\"slideshow_description_box slideshow_transparent\">\r\n\t\t\t\t\t\t<div class=\"slideshow_title\">altaveus2<\/div>\t\t\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\r\n\t\t\t\t\t\t<div style=\"clear: both;\"><\/div><\/div><div class=\"slideshow_view\">\r\n\t\t\t\t<div class=\"slideshow_slide slideshow_slide_image\">\r\n\t\t\t\t\t\t\t\t\t\t\t<img src=\"https:\/\/agora.xtec.cat\/col-carmelites\/wp-content\/uploads\/usu25\/2017\/09\/altaveus1.jpg\" alt=\"altaveus1\" width=\"3072\" height=\"2048\" \/>\r\n\t\t\t\t\t\t\t\t\t\t<div class=\"slideshow_description_box slideshow_transparent\">\r\n\t\t\t\t\t\t<div class=\"slideshow_title\">altaveus1<\/div>\t\t\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\r\n\t\t\t\t\t\t<div style=\"clear: both;\"><\/div><\/div>\r\n\t\t<\/div>\r\n\r\n\t\t<div class=\"slideshow_controlPanel slideshow_transparent\" style=\"display: none;\"><ul><li class=\"slideshow_togglePlay\" data-play-text=\"Visualitza\" data-pause-text=\"Pausa\"><\/li><\/ul><\/div>\r\n\r\n\t\t<div class=\"slideshow_button slideshow_previous slideshow_transparent\" role=\"button\" data-previous-text=\"Anterior\" style=\"display: none;\"><\/div>\r\n\t\t<div class=\"slideshow_button slideshow_next slideshow_transparent\" role=\"button\" data-next-text=\"Seg\u00fcent\" style=\"display: none;\"><\/div>\r\n\r\n\t\t<div class=\"slideshow_pagination\" style=\"display: none;\" data-go-to-text=\"V\u00e9s a la diapositiva\"><div class=\"slideshow_pagination_center\"><\/div><\/div>\r\n\r\n\t\t<!-- WordPress Slideshow Version 2.3.1 -->\r\n\r\n\t\t\t<\/div>\r\n\r\n\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h2><span id=\"Altaveus_din.C3.A0mics\" class=\"mw-headline\">Altaveus din\u00e0mics<\/span><\/h2>\n<p>El disseny tradicional est\u00e0 format per dues parts: un\u00a0<a title=\"Con\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Con\">con<\/a>\u00a0semi-r\u00edgid, que est\u00e0 subjectat a una\u00a0<a class=\"mw-redirect\" title=\"Bobina\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Bobina\">bobina<\/a>, normalment de\u00a0<a title=\"Coure\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Coure\">coure<\/a>. Aquesta bobina est\u00e0 orientada de forma\u00a0<a class=\"new\" title=\"Coaxial (encara no existeix)\" href=\"https:\/\/ca.wikipedia.org\/w\/index.php?title=Coaxial&amp;action=edit&amp;redlink=1\">coaxial<\/a>\u00a0amb un\u00a0<a title=\"Imant\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Imant\">imant<\/a>\u00a0permanent. Quan el senyal el\u00e8ctric recorre la bobina fa oscil\u00b7lar la part semi-r\u00edgida, i es produeix el so. L&#8217;altaveu consta d&#8217;una membrana, generalment de cartr\u00f3 i de forma c\u00f2nica, unida a una bobina que rep el\u00a0<a title=\"Corrent el\u00e8ctric\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Corrent_el%C3%A8ctric\">corrent el\u00e8ctric<\/a>\u00a0del senyal. Aquesta bobina est\u00e0 localitzada dins d&#8217;un potent imant i, per efecte\u00a0<a title=\"Electromagnetisme\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Electromagnetisme\">electromagn\u00e8tic<\/a>, es mou quan el corrent el\u00e8ctric la travessa. El\u00a0<a class=\"new\" title=\"Moviment vibratori (encara no existeix)\" href=\"https:\/\/ca.wikipedia.org\/w\/index.php?title=Moviment_vibratori&amp;action=edit&amp;redlink=1\">moviment vibratori<\/a>\u00a0de la bobina es transmet immediatament al con de cartr\u00f3 al qual est\u00e0 fixada. Aix\u00ed es produeix el so.<\/p>\n<h2><span id=\"Altres_altaveus_din.C3.A0mics\" class=\"mw-headline\">Altres altaveus din\u00e0mics<\/span><\/h2>\n<p>Altres altaveus din\u00e0mics fan servir una\u00a0<a title=\"C\u00fapula\" href=\"https:\/\/ca.wikipedia.org\/wiki\/C%C3%BApula\">c\u00fapula<\/a>\u00a0en lloc d&#8217;un con.<\/p>\n<h2><span id=\"Actualitat\" class=\"mw-headline\">Actualitat<\/span><\/h2>\n<p>Actualment, els\u00a0<a class=\"mw-redirect\" title=\"Ordinadors\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Ordinadors\">ordinadors<\/a>\u00a0venen amb altaveus incorporats; un de gros i un parell de petits, juntament amb el controlador de volum. Fins i tot hi ha un festival: El Festival de l&#8217;<a class=\"external text\" href=\"http:\/\/www.festivalaltaveu.cat\/\" rel=\"nofollow\">altaveu<\/a>\u00a0a Sant Boi de Llobregat.<\/p>\n<h2><span id=\"Altres_tecnologies\" class=\"mw-headline\">Altres tecnologies<\/span><\/h2>\n<p>Els altaveus tamb\u00e9 poden ser\u00a0<a title=\"Altaveu piezoel\u00e8ctric\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Altaveu_piezoel%C3%A8ctric\">piezoel\u00e8ctrics<\/a>\u00a0i\u00a0<a class=\"new\" title=\"Altaveu electrost\u00e0tic (encara no existeix)\" href=\"https:\/\/ca.wikipedia.org\/w\/index.php?title=Altaveu_electrost%C3%A0tic&amp;action=edit&amp;redlink=1\">electrost\u00e0tics<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Un\u00a0altaveu\u00a0\u00e9s un\u00a0<a title=\"Transductor\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Transductor\">transductor<\/a>\u00a0electroac\u00fastic que converteix un\u00a0<a title=\"Senyal el\u00e8ctric\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Senyal_el%C3%A8ctric\">senyal el\u00e8ctric<\/a>\u00a0en\u00a0<a title=\"So\" href=\"https:\/\/ca.wikipedia.org\/wiki\/So\">so<\/a>. En els sistemes de m\u00fasica \u00e9s l&#8217;element que m\u00e9s determina la qualitat del so. En la seva versi\u00f3 redu\u00efda, on s&#8217;aplica directament a l&#8217;orella de l&#8217;oient, rep el nom d&#8217;<a title=\"Auricular\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Auricular\">auricular<\/a>.<br \/>\n&nbsp;<br \/>\n&nbsp;<\/p>\n<p>\t\t\t\t\t\tAltaveu3\t\t\t\t\t\t\t\t\t\t\t<\/p>\n<p>\t\t\t\t\t\taltaveus2\t\t\t\t\t\t\t\t\t\t\t<\/p>\n<p>\t\t\t\t\t\taltaveus1\t\t\t\t\t\t\t\t\t\t\t<\/p>\n<ul><li&hellip;  <a href=\"https:\/\/agora.xtec.cat\/col-carmelites\/estudis\/altaveu\/\" title=\"Read Altaveus\">Llegeix m\u00e9s\u00bb<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":195,"menu_order":30,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":""},"class_list":["post-607","page","type-page","status-publish","hentry"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/agora.xtec.cat\/col-carmelites\/wp-json\/wp\/v2\/pages\/607","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agora.xtec.cat\/col-carmelites\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/agora.xtec.cat\/col-carmelites\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/col-carmelites\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/col-carmelites\/wp-json\/wp\/v2\/comments?post=607"}],"version-history":[{"count":3,"href":"https:\/\/agora.xtec.cat\/col-carmelites\/wp-json\/wp\/v2\/pages\/607\/revisions"}],"predecessor-version":[{"id":630,"href":"https:\/\/agora.xtec.cat\/col-carmelites\/wp-json\/wp\/v2\/pages\/607\/revisions\/630"}],"up":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/col-carmelites\/wp-json\/wp\/v2\/pages\/195"}],"wp:attachment":[{"href":"https:\/\/agora.xtec.cat\/col-carmelites\/wp-json\/wp\/v2\/media?parent=607"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}