Soundconverter

~$ soundconverter
SoundConverter 2.9.0-beta1
  using GTK version: 3.0
  using Gstreamer version: 1.8.3.0
  using 4 thread(s)
  using gio
  "faac" gstreamer element not found, disabling AAC output.
/usr/share/soundconverter/python/soundconverter/ui.py:1456: Warning: g_value_type_transformable: assertion 'G_TYPE_IS_VALUE (src_type)' failed
  builder.add_from_file(gladefile)

(python3:7926): Gtk-WARNING **: /build/gtk+3.0-QpXqW7/gtk+3.0-3.18.9/./gtk/gtkliststore.c:836: Unable to convert from (null) to gchararray