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diff --git a/src/com/jsyn/unitgen/WhiteNoise.java b/src/com/jsyn/unitgen/WhiteNoise.java
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+/*
+ * Copyright 1997 Phil Burk, Mobileer Inc
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.jsyn.unitgen;
+
+import com.jsyn.ports.UnitInputPort;
+import com.jsyn.ports.UnitOutputPort;
+import com.jsyn.util.PseudoRandom;
+
+/**
+ * WhiteNoise unit. This unit uses a pseudo-random number generator to produce white noise. The
+ * energy in a white noise signal is distributed evenly across the spectrum. A new random number is
+ * generated every frame.
+ * 
+ * @author (C) 1997-2011 Phil Burk, Mobileer Inc
+ * @see RedNoise
+ */
+public class WhiteNoise extends UnitGenerator implements UnitSource {
+    private PseudoRandom randomNum;
+    public UnitInputPort amplitude;
+    public UnitOutputPort output;
+
+    public WhiteNoise() {
+        randomNum = new PseudoRandom();
+        addPort(amplitude = new UnitInputPort("Amplitude", UnitOscillator.DEFAULT_AMPLITUDE));
+        addPort(output = new UnitOutputPort("Output"));
+    }
+
+    @Override
+    public void generate(int start, int limit) {
+        double[] amplitudes = amplitude.getValues();
+        double[] outputs = output.getValues();
+
+        for (int i = start; i < limit; i++) {
+            outputs[i] = randomNum.nextRandomDouble() * amplitudes[i];
+        }
+    }
+
+    @Override
+    public UnitOutputPort getOutput() {
+        return output;
+    }
+}