package vafusion.inst;
import jm.audio.io.*;
import jm.audio.synth.*;
import jm.music.data.Note;
import jm.audio.AudioObject;
/**
* A basic amplitude modulation that causes a warbing trumolo effect
* @author Andrew Brown
*/
public final class SimpleTremoloInst extends jm.audio.Instrument{
//----------------------------------------------
// Attributes
//----------------------------------------------
/** the sample rate passed to the instrument */
private int sampleRate;
/** the sample rate passed to the instrument */
private int channels;
//----------------------------------------------
// Constructor
//----------------------------------------------
/**
* Basic default constructor to set an initial
* sampling rate.
* @param sampleRate
*/
public SimpleTremoloInst(int sampleRate){
this.sampleRate = sampleRate;
this.channels = 1;
}
//----------------------------------------------
// Methods
//----------------------------------------------
/**
* Initialisation method used to build the objects that
* this instrument will use.
*/
@Override
public void createChain(){
Value modFreq = new Value(this, this.sampleRate, this.channels, (float)5.0);
Oscillator modulator = new Oscillator(modFreq, Oscillator.SINE_WAVE,
Oscillator.FREQUENCY);
Volume amp = new Volume(modulator, (float)0.4);
Oscillator carrier = new Oscillator(amp, Oscillator.SINE_WAVE, Oscillator.AMPLITUDE);
SampleOut sout = new SampleOut(carrier);
}
}