Added sound library

java/libraries/sound/examples/Effects/Variable_Delay/Variable_Delay.pde

@@ -0,0 +1,53 @@
+/*
+This is a sound file player. 
+*/
+
+import processing.sound.*;
+
+Sound stream;
+SoundFile soundfile;
+Delay delay;
+
+void setup() {
+    size(350,350);
+    background(255);
+    
+    // Create and start the sound renderer
+    stream = new Sound(this);
+    
+    //Load a soundfile
+    soundfile = new SoundFile(this, "vibraphon.aiff");
+    
+    // create a Delay Effect
+    delay = new Delay(this);
+    
+    // These methods return useful infos about the file
+    println("SFSampleRate= " + soundfile.sampleRate() + " Hz");
+    println("SFSamples= " + soundfile.frames() + " samples");
+    println("SFDuration= " + soundfile.duration() + " seconds");
+
+    // Play the file in a loop
+    soundfile.loop();
+    
+    // Patch the delay
+    delay.play(soundfile, 5);
+}      
+
+
+void draw() {
+  // Map mouseX from 0.25 to 4.0 for playback rate. 1 equals original playback 
+  // speed 2 is an octave up 0.5 is an octave down.
+  soundfile.rate(map(mouseX, 0, 350, 0.25, 4.0)); 
+  
+  // Map mouseY from 0.2 to 1.0 for amplitude  
+  soundfile.amp(map(mouseY, 0, 350, 0.2, 1.0)); 
+ 
+  // Map mouseY from -1.0 to 1.0 for left to right 
+  soundfile.pan(map(mouseY, 0, 350, -1.0, 1.0));  
+  
+  // Map mouseY from 0.001 to 2.0 seconds for the delaytime 
+  delay.time(map(mouseY, 0, 350, 0.001, 2.0));
+  
+  // Map mouseX from 0 to 0.8 for the delay feedback 
+  delay.feedback(map(mouseX, 0, 350, 0.0, 0.8));
+}