FEZ sound files mysteries (.wav files)

Can you make sense of this? The files containing this are: whiteout.wav hexdrone1-5.wav

First image looks like something numerical, but doesn't have to be. The second is definitely a pillar.

http://imgur.com/a/sqYcR Audio files: http://www.sendspace.com/file/gtjw2x

EDIT: Pillar with different FFT configurations: http://imgur.com/VATdC78 (2nd from right is the interesting one)