From: chandan mallik Date: 2013-03-21T16:47:35+09:00 Subject: Need to change loudness of a mp3 file using ruby script I need to change the loudness of a mp3 file using mp3gain.I am toatally helpless how to do that. How to fetch a file in ruby program and then set the loudness. -- Posted via http://www.ruby-forum.com/.