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Diffstat (limited to 'tests/com/jsyn/examples/PlayTone.java')
-rw-r--r-- | tests/com/jsyn/examples/PlayTone.java | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/tests/com/jsyn/examples/PlayTone.java b/tests/com/jsyn/examples/PlayTone.java new file mode 100644 index 0000000..172c98a --- /dev/null +++ b/tests/com/jsyn/examples/PlayTone.java @@ -0,0 +1,80 @@ +/* + * 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(); + } +} |