package vafusion.inst;
import jm.audio.io.*;
import jm.audio.Instrument;
import jm.audio.synth.*;
import jm.music.data.Note;
import jm.audio.AudioObject;
public final class SimpleReverbInst extends jm.audio.Instrument{
//----------------------------------------------
// Attributes
//----------------------------------------------
/** the name of the sample file */
private String fileName;
/** How many channels is the sound file we are using */
private int numOfChannels;
/** the base frequency of the sample file to be read in */
private double baseFreq;
/** should we play the wholeFile or just what we need for note duration */
private boolean wholeFile;
/** The points to use in the construction of Envelopes */
private EnvPoint[] pointArray = new EnvPoint[10];
//----------------------------------------------
// Constructor
//----------------------------------------------
/**
* Constructor
*/
public SimpleReverbInst(String fileName){
this(fileName, 440.00);
}
public SimpleReverbInst(String fileName, double baseFreq){
this(fileName, baseFreq, false);
}
public SimpleReverbInst(String fileName, double baseFreq, boolean wholeFile){
this.fileName = fileName;
this.baseFreq = baseFreq;
this.wholeFile = wholeFile;
//envelope
EnvPoint[] tempArray = {
new EnvPoint((float)0.0, (float)0.0),
new EnvPoint((float)0.1, (float)1.0),
new EnvPoint((float)0.4, (float)0.5),
new EnvPoint((float)0.95, (float)0.4),
new EnvPoint((float)1.0, (float)0.0)
};
pointArray = tempArray;
}
//----------------------------------------------
// Methods
//----------------------------------------------
/**
* Create the Audio Chain for this Instrument
* and assign the primary Audio Object(s). The
* primary audio object(s) are the one or more
* objects which head up the chain(s)
*/
@Override
public void createChain(){
//define the chain
SampleIn sin = new SampleIn(this,fileName);
SampleIn sin2 = new SampleIn(this,fileName);
SampleIn sin3 = new SampleIn(this,fileName);
SampleIn sin4 = new SampleIn(this,fileName);
Comb comb = new Comb(sin,20,0.5);
Comb comb2 = new Comb(sin2,100,0.4);
Comb comb3 = new Comb(sin3,70,0.6);
Comb comb4 = new Comb(sin4,50,0.5);
AudioObject[] array = {comb,comb2,comb3,comb4};
Add add = new Add(array);
//AllPass ap = new AllPass(add,50,0.9);
Filter filter = new Filter(add,2000.0, Filter.LOW_PASS);
Filter filter2 = new Filter(filter,2000.0,Filter.HIGH_PASS);
ReSample reSample = new ReSample(filter2, this.baseFreq);
Volume vol = new Volume(reSample);
Envelope env = new Envelope(vol, pointArray);
StereoPan span = new StereoPan(env);
SampleOut sout = new SampleOut(span);
}
}