import jm.audio.AudioObject;
import jm.audio.Instrument;
import jm.audio.io.SampleOut;
import jm.audio.synth.*;
/**
* A multiple sawtooth instrument implementation
* which has each wave detuned.
*
* @author Andrew Brown, Nick Coleman and Andrew Sorensen
*/
public final class SuperSawInst extends Instrument {
//----------------------------------------------
// Attributes
//----------------------------------------------
/**
* The points to use in the construction of Envelopes
*/
private EnvPoint[] pointArray = new EnvPoint[10];
/**
* the same rate
*/
private int sampleRate;
/**
* The frequency ratio between wavefroms
*/
private double detune;
//----------------------------------------------
// Constructor
//----------------------------------------------
/**
* Basic default constructor to set an initial sample rate
*
* @param sampleRate
*/
public SuperSawInst(int sampleRate) {
this(sampleRate, 0.001);
}
/**
* Basic default constructor to set an initial sample rate
*
* @param sampleRate
*/
public SuperSawInst(int sampleRate, double detune) {
this.sampleRate = sampleRate;
this.detune = detune;
EnvPoint[] tempArray = {
new EnvPoint((float) 0.0, (float) 0.0),
new EnvPoint((float) 0.02, (float) 1.0),
new EnvPoint((float) 0.15, (float) 0.6),
new EnvPoint((float) 0.9, (float) 0.3),
new EnvPoint((float) 1.0, (float) 0.0)
};
pointArray = tempArray;
}
//----------------------------------------------
// Methods
//----------------------------------------------
/**
* Initialisation method used to build the objects that
* this instrument will use
*/
public void createChain() {
Oscillator wt1 = new Oscillator(this, Oscillator.SAWTOOTH_WAVE, this.sampleRate, 2);
Oscillator wt2 = new Oscillator(this, Oscillator.SAWTOOTH_WAVE, this.sampleRate, 2);
wt2.setFrqRatio((float) (1.0 + detune));
Oscillator wt3 = new Oscillator(this, Oscillator.SAWTOOTH_WAVE, this.sampleRate, 2);
wt3.setFrqRatio((float) (1.0 - detune * 2));
Oscillator wt4 = new Oscillator(this, Oscillator.SAWTOOTH_WAVE, this.sampleRate, 2);
wt4.setFrqRatio((float) (1.0 + detune * 2));
Oscillator wt5 = new Oscillator(this, Oscillator.SAWTOOTH_WAVE, this.sampleRate, 2);
wt5.setFrqRatio((float) (1.0 - detune));
Oscillator wt6 = new Oscillator(this, Oscillator.SAWTOOTH_WAVE, this.sampleRate, 2);
wt6.setFrqRatio((float) (1.0 + detune * 3));
Oscillator wt7 = new Oscillator(this, Oscillator.SAWTOOTH_WAVE, this.sampleRate, 2);
wt7.setFrqRatio((float) (1.0 - detune * 3));
AudioObject[] waves = {wt1, wt2, wt3, wt4, wt5, wt6, wt7};
Add add = new Add(waves);
Envelope env = new Envelope(add, pointArray);
Volume vol = new Volume(env);
StereoPan span = new StereoPan(vol);
SampleOut sout = new SampleOut(span);
}
}