Reading the Sound Spectrum : Sound « Development « Flash / Flex / ActionScript

1. Flash / Flex / ActionScript
2. Development
3. Sound

Reading the Sound Spectrum

 
package {
    import flash.display.Bitmap;
    import flash.display.BitmapData;
    import flash.display.Sprite;
    import flash.events.Event;
    import flash.media.Sound;
    import flash.media.SoundChannel;
    import flash.net.URLRequest;
    import flash.utils.ByteArray;
    
        
    public class Main extends Sprite {
        private var _sound:Sound;
        private var _channel:SoundChannel;
        public function Main(  ) {
            addEventListener(Event.ENTER_FRAME, onEnterFrame);
            _sound = new Sound(new URLRequest("song.mp3"));
            _channel = _sound.play(  );
        }
        
        public function onEnterFrame(event:Event):void
        {
            var spectrum:ByteArray = new ByteArray(  );
            flash.media.SoundMixer.computeSpectrum(spectrum);
            
           
            for(var i:int=0;i<256;i++) {
                trace(spectrum.readFloat());
            }
            
        }       
    }
}

        

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