The source audio for the anime intros is indeed mono, but I know of a method to make 5.1 out of stereo that's very convincing and am researching for a good mono-to-stereo method as well.
The source audio for the anime intros is indeed mono, but I know of a method to make 5.1 out of stereo that's very convincing and am researching for a good mono-to-stereo method as well.