audacious does not install gconf schema. open gconf and you'll see all the keys don't have a schema for them
As no information is provided on what a gconf schema is, whether one is merely recommended or required or even how one creates such a file I am forced to close this until the missing information is provided.
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fix resolution
If you run gconf editor, for audacious entries it gives a warning that the schema file was not installed. All the fields are free form entry fields since they aren't restricted to sane values by the schema file. I noticed in the tarball there appeared to be a schema file. I'll provide more info when I actually get to the machine that has audacious on it.