Added a description to loadAudioFile explaining the method by which we're rescaling amplitude to the range [0:1]. Updated frequency_spacing's so that low indices correspond to low frequencies.
Added a description to loadAudioFile explaining the method by which we're rescaling amplitude to the range [0:1]. Updated frequency_spacing's so that low indices correspond to low frequencies.

git-svn-id: 1090b387d452580804210ae271d3c35ba515bde4@11641 0ce056cd-c842-0410-9ff1-d0633a95805a

jesuscript/topo-mpi,jesuscript/topo-mpi,jesuscript/topo-mpi,jesuscript/topo-mpi,jesuscript/topo-mpi