{"id":2446,"date":"2021-07-23T16:07:15","date_gmt":"2021-07-23T14:07:15","guid":{"rendered":"https:\/\/digitalia.culturanuova.net\/blog\/?p=2446"},"modified":"2026-03-20T09:32:03","modified_gmt":"2026-03-20T08:32:03","slug":"normalize-audio-volume","status":"publish","type":"post","link":"https:\/\/digitalia.culturanuova.net\/blog\/?p=2446","title":{"rendered":"normalize audio volume"},"content":{"rendered":"\n<p>In Linux you can <\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1) change physically the volume, recodifying the files<\/h3>\n\n\n\n<p>such as <\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>with <strong>ffmpeg-normalize<\/strong>, a tool for automatic changes<\/li>\n\n\n\n<li>or with <strong>ffmpeg<\/strong>, for manual changes (i.g. <code>ffmpeg -i input.mp3 -filter:a \"loudnorm\" -q:a 2 output.mp3<\/code> for a change with a re-encodig of high quality, or <code>ffmpeg -i input.mp3 -filter:a \"loudnorm\" -b:a 192k output.mp3<\/code> to a bitrate of 192, and so on)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2) modifying only the way your file is read (by the audioplayers)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>with <strong>normalize-audio<\/strong>, which don\u2019t encode the files, but change only the volume metatag.<\/li>\n\n\n\n<li>or with <strong>mp3gain<\/strong> \u00a0(<code>mp3gain -r *.mp3<\/code>, or <code>mp3gain -r -k *.mp3<\/code>, to avoid clipping problem)<\/li>\n<\/ul>\n\n\n\n<p>This second way on the one hand is less invasive (and less destructive), but on the other hand the changes could be not correctly read by the audio player you use.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In Linux you can 1) change physically the volume, recodifying the files such as 2) modifying only the way your file is read (by the audioplayers) This second way on the one hand is less invasive (and less destructive), but on the other hand the changes could be not correctly read by the audio player &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/digitalia.culturanuova.net\/blog\/?p=2446\" class=\"more-link\">Leggi tutto<span class=\"screen-reader-text\"> &#8220;normalize audio volume&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[572],"tags":[994,879,695,995,694],"class_list":["post-2446","post","type-post","status-publish","format-standard","hentry","category-audio","tag-bitrate","tag-ffmpeg","tag-normalize","tag-quality","tag-volume"],"_links":{"self":[{"href":"https:\/\/digitalia.culturanuova.net\/blog\/index.php?rest_route=\/wp\/v2\/posts\/2446","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/digitalia.culturanuova.net\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/digitalia.culturanuova.net\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/digitalia.culturanuova.net\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/digitalia.culturanuova.net\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2446"}],"version-history":[{"count":4,"href":"https:\/\/digitalia.culturanuova.net\/blog\/index.php?rest_route=\/wp\/v2\/posts\/2446\/revisions"}],"predecessor-version":[{"id":3372,"href":"https:\/\/digitalia.culturanuova.net\/blog\/index.php?rest_route=\/wp\/v2\/posts\/2446\/revisions\/3372"}],"wp:attachment":[{"href":"https:\/\/digitalia.culturanuova.net\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2446"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/digitalia.culturanuova.net\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2446"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/digitalia.culturanuova.net\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2446"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}