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+/*
+ * Copyright 2010 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.examples;
+
+import com.jsyn.JSyn;
+import com.jsyn.Synthesizer;
+import com.jsyn.unitgen.LineOut;
+import com.jsyn.unitgen.SineOscillator;
+import com.jsyn.unitgen.UnitOscillator;
+
+/**
+ * Play a tone using a JSyn oscillator.
+ *
+ * @author Phil Burk (C) 2010 Mobileer Inc
+ */
+public class PlayTone {
+ Synthesizer synth;
+ UnitOscillator osc;
+ LineOut lineOut;
+
+ private void test() {
+
+ // Create a context for the synthesizer.
+ synth = JSyn.createSynthesizer();
+
+ // Start synthesizer using default stereo output at 44100 Hz.
+ synth.start();
+
+ // Add a tone generator.
+ synth.add(osc = new SineOscillator());
+ // Add a stereo audio output unit.
+ synth.add(lineOut = new LineOut());
+
+ // Connect the oscillator to both channels of the output.
+ osc.output.connect(0, lineOut.input, 0);
+ osc.output.connect(0, lineOut.input, 1);
+
+ // Set the frequency and amplitude for the sine wave.
+ osc.frequency.set(345.0);
+ osc.amplitude.set(0.6);
+
+ // We only need to start the LineOut. It will pull data from the
+ // oscillator.
+ lineOut.start();
+
+ System.out.println("You should now be hearing a sine wave. ---------");
+
+ // Sleep while the sound is generated in the background.
+ try {
+ double time = synth.getCurrentTime();
+ System.out.println("time = " + time);
+ // Sleep for a few seconds.
+ synth.sleepUntil(time + 4.0);
+ } catch (InterruptedException e) {
+ e.printStackTrace();
+ }
+
+ System.out.println("Stop playing. -------------------");
+ // Stop everything.
+ synth.stop();
+ }
+
+ public static void main(String[] args) {
+ new PlayTone().test();
+ }
+}