Added a new BrownNoise unit generator that generate

noise based on Brownian motion.

2 files changed, 9 insertions, 6 deletions

diff --git a/tests/com/jsyn/examples/CircuitTester.java b/tests/com/jsyn/examples/CircuitTester.java
index 22db760..1a307f2 100644
--- a/tests/com/jsyn/examples/CircuitTester.java
+++ b/tests/com/jsyn/examples/CircuitTester.java
@@ -22,6 +22,7 @@ import javax.swing.JApplet;
 
 import com.jsyn.JSyn;
 import com.jsyn.Synthesizer;
+import com.jsyn.instruments.SubtractiveSynthVoice;
 import com.jsyn.scope.AudioScope;
 import com.jsyn.swing.JAppletFrame;
 import com.jsyn.swing.SoundTweaker;
@@ -75,10 +76,12 @@ public class CircuitTester extends JApplet {
      * @return
      */
     public UnitSource createUnitSource() {
-        // return new SampleHoldNoteBlaster();
-        // return new com.syntona.exported.FMVoice();
-        // return new SubtractiveSynthVoice();
-        return new WindCircuit();
+        //return new SampleHoldNoteBlaster();
+        //return new com.syntona.exported.FMVoice();
+        return new SubtractiveSynthVoice();
+        //return new WindCircuit();
+        //return new WhiteNoise();
+        //return new BrownNoise();
     }
 
     @Override
diff --git a/tests/com/jsyn/util/TestPseudoRandom.java b/tests/com/jsyn/util/TestPseudoRandom.java
index 0ef2fa3..20df465 100644
--- a/tests/com/jsyn/util/TestPseudoRandom.java
+++ b/tests/com/jsyn/util/TestPseudoRandom.java
@@ -47,7 +47,7 @@ public class TestPseudoRandom extends TestCase {
     }
 
     public void testIntegerDistribution() {
-        int scaler = 10;
+        int scaler = 100;
         for (int i = 0; i < (bins.length * scaler); i++) {
             int rand = pseudoRandom.nextRandomInteger();
             int positiveInt = rand & 0x7FFFFFFF;
@@ -59,7 +59,7 @@ public class TestPseudoRandom extends TestCase {
     }
 
     public void test01Distribution() {
-        int scaler = 10;
+        int scaler = 100;
         for (int i = 0; i < (bins.length * scaler); i++) {
             double rand = pseudoRandom.random();
             assertTrue("not too low, #" + i + " = " + rand, (rand >= 0.0));