import jm.audio.io.SampleOut;
import jm.audio.synth.Envelope;
import jm.audio.synth.Oscillator;
/**
* A basic wavtebable synthesis instrument implementation
* which implements envelope and volume control
*
* @author Andrew Sorensen
*/
public final class SimpleSineInst 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 SimpleSineInst(int sampleRate) {
this.sampleRate = sampleRate;
this.channels = 1;
}
//----------------------------------------------
// Methods
//----------------------------------------------
/**
* Initialisation method used to build the objects that
* this instrument will use.
* Declares the primary audio object array and the
* audio object(s) in that array. (One array element per channel)
*/
public void createChain() {
Oscillator osc = new Oscillator(this, Oscillator.SINE_WAVE,
this.sampleRate, this.channels);
Envelope env = new Envelope(osc,
new double[]{0.0, 0.0, 0.1, 1.0, 1.0, 0.0});
SampleOut sout = new SampleOut(env);
}
}