/gist:e30ece52f2c065fd90f6
Created Jan 15, 2015
| <html> | |
| <body> | |
| <script> | |
| // use the HTML5 audio API to make a beep. | |
| var context = new webkitAudioContext(); | |
| var volume = context.createGain(); | |
| volume.gain.value = 0.5; | |
| volume.connect(context.destination); | |
| var synth = context.createOscillator(); | |
| synth.connect(volume); | |
| // I think 0 is the default type? Let’s see what we get. | |
| synth.type = 0; | |
| // Play an ‘A’ at 440Hz, the typical tone used to tune an instrument. | |
| synth.frequency_value = 440; | |
| // Actually play a note. | |
| synth.noteOn(0); | |
| // In 2 seconds, stop playing the note. | |
| setTimeout(synth.noteOff, 2000); | |
| </script> | |
| </body> | |
| </html> |
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