tag:blogger.com,1999:blog-3803541356848955053.post2484574556805343160..comments2016-04-05T16:35:00.805-07:00Yu-Jie Linhttps://plus.google.com/115422682039760465813[email protected]Blogger4125tag:blogger.com,1999:blog-3803541356848955053.post-56466050849352062772013-08-04T21:03:28.559-07:002013-08-04T21:03:28.559-07:00Read the page I linked in my post, there is some prerequisites. My soundcard can&#39;t do it.<br /><br /><br />If you read the first related post, which uses PulseAudio to get the system output. You can set input as monitor of output in its control panel.livibetterhttp://yjl.im/[email protected]tag:blogger.com,1999:blog-3803541356848955053.post-55999614398984524372013-08-04T19:59:55.102-07:002013-08-04T19:59:55.102-07:00Ooops, I did not read the comments (silly me) that says it listens to the input. How can I make it monitor the ALSA output instead?xaccrocheur[email protected]tag:blogger.com,1999:blog-3803541356848955053.post-12440765307274660262013-08-04T19:56:53.471-07:002013-08-04T19:56:53.471-07:00I found your http://notes.yjl.im/creations/cap-vol-meter-py script, but I can&#39;t get it to work : It just sits there and says &quot;0%&quot; on both channels even though alsaplayer is playing a tune, what did I do wrong ? Please help if you can.xaccrocheur[email protected]tag:blogger.com,1999:blog-3803541356848955053.post-84367968878669311162013-08-04T19:42:15.469-07:002013-08-04T19:42:15.469-07:00Yu-Jie, did you finally manage to measure any output out of any python-bound sound backend?xaccrocheur[email protected]