Installing the xenial package (3.0.0~alpha1+git20151209-1) from http://packages.ubuntu.com/xenial/soundconverter in Ubuntu 15.10 fixes the issue for me.
Installing the xenial package (3.0.0~ alpha1+ git20151209- 1) from http:// packages. ubuntu. com/xenial/ soundconverter in Ubuntu 15.10 fixes the issue for me.