{"id":174,"date":"2012-02-24T13:33:03","date_gmt":"2012-02-24T11:33:03","guid":{"rendered":"http:\/\/www.joanillo.org\/?p=174"},"modified":"2020-09-14T13:33:59","modified_gmt":"2020-09-14T11:33:59","slug":"jcapture-gravar-el-so-del-micro-a-un-fitxer-wav","status":"publish","type":"post","link":"https:\/\/www.joanillo.org\/?p=174","title":{"rendered":"jcapture: gravar el so del micro a un fitxer wav"},"content":{"rendered":"<p><a href=\"http:\/\/www.joanillo.org\/wp-content\/uploads\/2012\/02\/senyal_audio.jpg\"><img loading=\"lazy\" src=\"http:\/\/www.joanillo.org\/wp-content\/uploads\/2012\/02\/senyal_audio.jpg\" alt=\"\" title=\"senyal_audio\" width=\"235\" height=\"140\" class=\"alignright size-full wp-image-614\"><\/a><strong>jcapture<\/strong> \u00e9s un petit programa desenvolupat amb C++ que capta el senyal del micr\u00f2fon i escriu un fitxer d&#8217;audio amb format wav. B\u00e0sicament \u00e9s un client de <strong>JACK<\/strong> que es connecta autom\u00e0ticament a <em>system:capture_1<\/em>, que \u00e9s el port f\u00edsic que representa l&#8217;entrada del micro de la targeta de so, i mitjan\u00e7ant la llibreria <em>libsndfile<\/em> va escribint les dades del micro en el buffer del fitxer d&#8217;audio.<\/p>\n<p>A m\u00e9s, mostra el nivell del senyal d&#8217;entrada de forma gr\u00e0fica en la consola (doncs \u00e9s un programa que funciona per la consola, no t\u00e9 interf\u00edcie gr\u00e0fica). Si t&#8217;interessa la programaci\u00f3 de l&#8217;API de JACK pots descarregar <strong>jcapture<\/strong>:<\/p>\n<ul>\n<li>wiki: <a href=\"http:\/\/wiki.joanillo.org\/index.php\/Jcapture\">http:\/\/wiki.joanillo.org\/index.php\/Jcapture<\/a><\/li>\n<li>Descarregar: <a href=\"http:\/\/wiki.joanillo.org\/images\/0\/07\/Jcapture-1.0.0.tar.gz\">Jcapture-1.0.0.tar.gz<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>jcapture \u00e9s un petit programa desenvolupat amb C++ que capta el senyal del micr\u00f2fon i escriu un fitxer d&#8217;audio amb format wav. B\u00e0sicament \u00e9s un client de JACK que es connecta autom\u00e0ticament a system:capture_1, que \u00e9s el port f\u00edsic que representa l&#8217;entrada del micro de la targeta de so, i mitjan\u00e7ant la llibreria libsndfile va [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[15,18,16,12],"tags":[],"_links":{"self":[{"href":"https:\/\/www.joanillo.org\/index.php?rest_route=\/wp\/v2\/posts\/174"}],"collection":[{"href":"https:\/\/www.joanillo.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.joanillo.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.joanillo.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.joanillo.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=174"}],"version-history":[{"count":1,"href":"https:\/\/www.joanillo.org\/index.php?rest_route=\/wp\/v2\/posts\/174\/revisions"}],"predecessor-version":[{"id":175,"href":"https:\/\/www.joanillo.org\/index.php?rest_route=\/wp\/v2\/posts\/174\/revisions\/175"}],"wp:attachment":[{"href":"https:\/\/www.joanillo.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=174"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.joanillo.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=174"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.joanillo.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=174"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}