サウンドを生成する練習

/**
 * Copyright yasnis ( http://wonderfl.net/user/yasnis )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/nJ4D
 */

package {
    import flash.display.Sprite;
    import flash.events.Event;
    import flash.events.SampleDataEvent;
    import flash.media.Sound;
    import flash.media.SoundChannel;
    import com.flashdynamix.utils.SWFProfiler;
    [SWF(backgroundColor=0x000000, frameRate=60)]
    public class FlashTest extends Sprite {
        private var sound:Sound = new Sound();
        private var channel:SoundChannel;
        private var count:int = 0;
        public function FlashTest() {
            SWFProfiler.init(this);
            // write as3 code here..
           sound.addEventListener(SampleDataEvent.SAMPLE_DATA, onSampleData);
           channel = sound.play();
        }
        private function onSampleData(e:SampleDataEvent):void{
            return;
            for ( var c:int=0; c<8192; c++ ) {
                e.data.writeFloat(Math.sin((Number(c+e.position)/Math.PI/2))*0.25);
                e.data.writeFloat(Math.sin((Number(c+e.position)/Math.PI/2))*0.25);
            }
        }
    }
}