Your ffmpeg version doesn't support libfaac and thereby encoding aac files.
You can install faac or neroaac and configure soundkonverter to use one of these backends.
It might also be a good idea to use the latest soundkonverter version 1.0.0. See http://kde-apps.org/content/show.php?content=29024 for ubuntu packages and information.
Your ffmpeg version doesn't support libfaac and thereby encoding aac files. kde-apps. org/content/ show.php? content= 29024 for ubuntu packages and information.
You can install faac or neroaac and configure soundkonverter to use one of these backends.
It might also be a good idea to use the latest soundkonverter version 1.0.0. See http://