This Processing Applet allows you to be Michael Phelps.
To run it, you will need to download Processing and the ESS library (from Processing.org), and the two PNG image files I used. The program will use the microphone on your computer.
**********************************************
// Input FFT
// original code by Marius Watz
// modified by Krister Olsson
// Showcase for new FFT processing options in Ess v2.
// Clicking and dragging changes FFT damping
// Created 27 May 2006
import krister.Ess.*;
int bufferSize;
int steps;
float limitDiff;
int numAverages=32;
float myDamp=.1f;
float maxLimit,minLimit;
PImage phelps;
PImage phelpsjaw;
FFT myFFT;
AudioInput myInput;
void setup () {
size(600,600);
phelps = loadImage(“phelps2.png”);
phelpsjaw = loadImage(“phelpsjaw.png”);
// start up Ess
Ess.start(this);
// set up our AudioInput
bufferSize=512;
myInput=new AudioInput(bufferSize);
// set up our FFT
myFFT=new FFT(bufferSize*2);
myFFT.equalizer(true);
// set up our FFT normalization/dampening
minLimit=.005;
maxLimit=.05;
myFFT.limits(minLimit,maxLimit);
myFFT.damp(myDamp);
myFFT.averages(numAverages);
// get the number of bins per average
steps=bufferSize/numAverages;
// get the distance of travel between minimum and maximum limits
limitDiff=maxLimit-minLimit;
myInput.start();
background(0);
image(phelps, 150,65);
}
void draw() {
int interp=(int)max(0,(((millis()-myInput.bufferStartTime)/(float)myInput.duration)*myInput.size));
for (int i=0;i<bufferSize;i++) {
float left=160;
float right=160;
if (i+interp+120){
image(phelpsjaw, 280, myFFT.spectrum[i]*100+ 290);
}
else{image(phelpsjaw, 280, 310);
}
if(myFFT.spectrum[i]*100+290>315){
image(phelps, 150,65);
}
}
}
public void audioInputData(AudioInput theInput) {
myFFT.getSpectrum(myInput);
}
