Minim Oscil frequency Description Patch to this to control the frequency of the oscillator with another UGen. Signature ```UGen.UGenInput frequency ``` Related Oscil Example ```/* frequencyModulation

A simple example for doing FM (frequency modulation) using two Oscils.

For more information about Minim and additional features, visit http://code.compartmental.net/minim/

Author: Damien Di Fede */ // import everything necessary to make sound. import ddf.minim.*; import ddf.minim.ugens.*; // create all of the variables that will need to be accessed in // more than one methods (setup(), draw(), stop()). Minim minim; AudioOutput out; // the Oscil we use for modulating frequency. Oscil fm; // setup is run once at the beginning void setup() { // initialize the drawing window size( 512, 200, P3D ); // initialize the minim and out objects minim = new Minim( this ); out = minim.getLineOut(); // make the Oscil we will hear. // arguments are frequency, amplitude, and waveform Oscil wave = new Oscil( 200, 0.8, Waves.TRIANGLE ); // make the Oscil we will use to modulate the frequency of wave. // the frequency of this Oscil will determine how quickly the // frequency of wave changes and the amplitude determines how much. // since we are using the output of fm directly to set the frequency // of wave, you can think of the amplitude as being expressed in Hz. fm = new Oscil( 10, 2, Waves.SINE ); // set the offset of fm so that it generates values centered around 200 Hz fm.offset.setLastValue( 200 ); // patch it to the frequency of wave so it controls it fm.patch( wave.frequency ); // and patch wave to the output wave.patch( out ); } // draw is run many times void draw() { // erase the window to black background( 0 ); // draw using a white stroke stroke( 255 ); // draw the waveforms for( int i = 0; i < out.bufferSize() - 1; i++ ) { // find the x position of each buffer value float x1 = map( i, 0, out.bufferSize(), 0, width ); float x2 = map( i+1, 0, out.bufferSize(), 0, width ); // draw a line from one buffer position to the next for both channels line( x1, 50 + out.left.get(i)*50, x2, 50 + out.left.get(i+1)*50); line( x1, 150 + out.right.get(i)*50, x2, 150 + out.right.get(i+1)*50); } text( "Modulation frequency: " + fm.frequency.getLastValue(), 5, 15 ); text( "Modulation amplitude: " + fm.amplitude.getLastValue(), 5, 30 ); } // we can change the parameters of the frequency modulation Oscil // in real-time using the mouse. void mouseMoved() { float modulateAmount = map( mouseY, 0, height, 220, 1 ); float modulateFrequency = map( mouseX, 0, width, 0.1, 100 ); fm.setFrequency( modulateFrequency ); fm.setAmplitude( modulateAmount ); } ``` Usage Web & Application