{"id":622,"date":"2014-06-26T18:50:25","date_gmt":"2014-06-26T21:50:25","guid":{"rendered":"http:\/\/blog.abratel.com.br\/?p=622"},"modified":"2014-06-26T18:50:25","modified_gmt":"2014-06-26T21:50:25","slug":"analise-de-eco-com-cancelador-de-eco-ativo-e-antes-de-ativa-lo","status":"publish","type":"post","link":"https:\/\/blog.abratel.com.br\/?p=622","title":{"rendered":"Analise de ECO com cancelador de eco ativo e antes de ativa-lo"},"content":{"rendered":"<p>Criar um diret\u00f3rio e realizar a grava\u00e7\u00e3o do \u00e1udio quando a chamada estiver no canal:<br \/>\nmkdir \/usr\/srv\/gravacao<br \/>\ndahdi_monitor 65 -m -r streamrx65.raw -t streamtx65.raw -R streampreechorx65.raw -T streampreechotx65.raw<\/p>\n<p>Onde &#8211; 65 eh a porta dahdi fxo <\/p>\n<p>Ap\u00f3s converter o \u00e1udio para .wav<br \/>\nsox -r 8000 &#8211;encoding signed-integer &#8211;endian little -b 16 -c 1 streamrx66.raw streamrx66.wav<\/p>\n<p>Baixar o software audiocity e importar os quatro \u00e1udios e compara-los.<\/p>\n<p>Veja uma compara\u00e7\u00e3o de \u00e1udio:<br \/>\n<a href=\"http:\/\/blog.abratel.com.br\/wp-content\/uploads\/2014\/06\/linha-69.png\"><img loading=\"lazy\" src=\"http:\/\/blog.abratel.com.br\/wp-content\/uploads\/2014\/06\/linha-69-300x135.png\" alt=\"linha 69\" width=\"300\" height=\"135\" class=\"alignnone size-medium wp-image-623\" srcset=\"https:\/\/blog.abratel.com.br\/wp-content\/uploads\/2014\/06\/linha-69-300x135.png 300w, https:\/\/blog.abratel.com.br\/wp-content\/uploads\/2014\/06\/linha-69-1024x460.png 1024w, https:\/\/blog.abratel.com.br\/wp-content\/uploads\/2014\/06\/linha-69-600x270.png 600w, https:\/\/blog.abratel.com.br\/wp-content\/uploads\/2014\/06\/linha-69.png 1304w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p><a href=\"http:\/\/blog.abratel.com.br\/wp-content\/uploads\/2014\/06\/linha-porta-65.png\"><img loading=\"lazy\" src=\"http:\/\/blog.abratel.com.br\/wp-content\/uploads\/2014\/06\/linha-porta-65-300x122.png\" alt=\"linha porta 65\" width=\"300\" height=\"122\" class=\"alignnone size-medium wp-image-624\" srcset=\"https:\/\/blog.abratel.com.br\/wp-content\/uploads\/2014\/06\/linha-porta-65-300x122.png 300w, https:\/\/blog.abratel.com.br\/wp-content\/uploads\/2014\/06\/linha-porta-65-1024x416.png 1024w, https:\/\/blog.abratel.com.br\/wp-content\/uploads\/2014\/06\/linha-porta-65-600x244.png 600w, https:\/\/blog.abratel.com.br\/wp-content\/uploads\/2014\/06\/linha-porta-65.png 1400w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Criar um diret\u00f3rio e realizar a grava\u00e7\u00e3o do \u00e1udio quando a chamada estiver no canal: mkdir \/usr\/srv\/gravacao dahdi_monitor 65 -m -r streamrx65.raw -t streamtx65.raw -R streampreechorx65.raw -T streampreechotx65.raw Onde &#8211; 65 eh a porta dahdi fxo Ap\u00f3s converter o \u00e1udio para .wav sox -r 8000&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/blog.abratel.com.br\/index.php?rest_route=\/wp\/v2\/posts\/622"}],"collection":[{"href":"https:\/\/blog.abratel.com.br\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.abratel.com.br\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.abratel.com.br\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.abratel.com.br\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=622"}],"version-history":[{"count":1,"href":"https:\/\/blog.abratel.com.br\/index.php?rest_route=\/wp\/v2\/posts\/622\/revisions"}],"predecessor-version":[{"id":625,"href":"https:\/\/blog.abratel.com.br\/index.php?rest_route=\/wp\/v2\/posts\/622\/revisions\/625"}],"wp:attachment":[{"href":"https:\/\/blog.abratel.com.br\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=622"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.abratel.com.br\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=622"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.abratel.com.br\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=622"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}