spectrogram/README.mkd

1. Get an image

![Image of a dog](test.jpg)

2. `$ python spectrogram.py test.jpg` ... `Wrote test.jpg.wav`

3. `$ sox test.jpg.wav -n spectrogram`

![Spectrogram of a dog](spectrogram.png)

Aphex Twin did it before me.

Uses [SoX](http://sox.sourceforge.net/sox.html).