SPECTRUM ANALIZER AUDIO NEED CODE

Hello, where I could find the file or the entire project to program Arduino Uno to operate as a spectrum analyzer LED matrix of 32x32 Adafruit. This is an example of what I need

Normally adafruit has example code on their site.
Did you check?

Ahh this is what im working with right now. Not getting far quickly but here it is.

FFT library

http://wiki.openmusiclabs.com/wiki/ArduinoFFT