dsp

Hack the spectrum - Hide images in Audio files

Jan 7, 2015
dsp

Intro # You have probably heard of the song [Equation] by Aphex Twin. It is known for having a scary face hidden in its frequency spectrum. So I asked myself, how can I do this by myself? It is possible using a bit of matlab and basic knowledge in signal processing. I choose a short mp3 track to modify: Cartoon (Interlude) by French House Artist SabastiAn. This is the image we’ll try to hide: ...