mp3 to ogg

1. apt-get install mpg321 vorbis-tools (If you don’t have them on your machine)
Note: If you get error, check that you have contrib and non-free depositories in your sources list

2.Code: mpg321 input.mp3 -w raw && oggenc raw -o output.ogg
Note: raw is just a file name, it could be anything you want…