blob: 172c98a9ab4e5410687d439d60a778ae9c038a2e (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
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();
}
}
|
