If you’re into making secret messages, this episode will show you how you can embed text and images into audio spectrographs. See if you can decode my sound clips at http://soundcloud.com/tinkernut
Links used in this video:
Coagula
http://hem.passagen.se/rasmuse/Coagula.htm
MetaSynth
http://www.uisoftware.com/MetaSynth/index.php
Sonic Visualiser
http://www.sonicvisualiser.org/download.html
Audacity
http://audacity.sourceforge.net