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POJSyn: Sine Wave on two channels
 

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    <p><strong>I have figured the problem out before posting this question. Nevertheless I think this might help someone else, so I am posting it anyway. If anyone knows a better or more elegant way to do this, please post an answer. If I agree, I will of course accept your answer. Here is my original problem:</strong></p> <p>I am trying to get the following to work with <a href="http://www.softsynth.com/jsyn/" rel="nofollow">JSyn</a>:</p> <p>I want to play an 800Hz sine wave on two channels and switch on or off the individual channels whenever I want. So, for instance, I want the following sequence:</p> <pre><code> time 0s 0.3s 0.8s 1s 1s 1.1s 1.5s left |--------------------| |-----------| right |----| |------------------------| </code></pre> <p>I can generate the sine wave on either one, or both channels, but I have not figured out how to turn them on/off. Here is some code:</p> <pre><code>import com.jsyn.JSyn; import com.jsyn.Synthesizer; import com.jsyn.unitgen.LineOut; import com.jsyn.unitgen.SineOscillator; public class MusicTest { public static void main(String[] args) { playSound(); } public static void playSound() { Synthesizer synth = JSyn.createSynthesizer(); try { synth.start(); SineOscillator sineOsc1 = new SineOscillator(500, 0.2); SineOscillator sineOsc2 = new SineOscillator(500, 0.2); LineOut lineOut= new LineOut(); synth.add(lineOut); synth.add(sineOsc1); synth.add(sineOsc2); sineOsc1.output.connect(0, lineOut.input, 0); // left channel sineOsc2.output.connect(0, lineOut.input, 1); // right channel lineOut.start(); sineOsc1.start(); // start left sleep(1000); sineOsc2.start(); // after 1s, start right sleep(1000); sineOsc1.stop(); // after 1s, stop left sleep(1000); sineOsc2.stop(); // after 1s, stop lineOut.stop(); } finally { synth.stop(); } } private static void sleep(int ms) { try { Thread.sleep(ms); } catch (InterruptedException e) {} } } </code></pre> <p>Unfortunately, this does not work...</p>
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