In this lecture, we will build a desktop application with Tkinter. The purpose of this app is to upload an mp4 video format and convert it into an mp3 audio format. You might see this feature online, those online video converters. But today, we will create a desktop application, not a web application.
Alternately, you can click the Folder icon below the File menu to browse to the video file location. 5. In the Audio Output section, from the Copy drop-down list, select MP3 (lame.) Avidemux – converting an mp4 file to mp3 . 6. If you want to alter the bitrate mode, bitrate and quality, in the Audio Output section, click Configure. EqPqNi.