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Create a Seek Bar for a Mp3 Sound File

<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="vertical">     <mx:VBox width="400" height="300" creationComplete="loadSound()">         <mx:Script>                                   private var sound:Sound;                 private var chan:SoundChannel;                      private function loadSound():void {                     sound = new Sound(new URLRequest("http://localhost/Plans.mp3"));                     chan = sound.play();                 }                      private function scanPosition():void {                     chan.stop();                     chan = sound.play(positionSlider.value/10 * sound.length);                 }                      private function scanVolume():void{                     var trans:SoundTransform = new SoundTransform(volumeSlider.value, (panSlider.value - 5)/10);                     chan.soundTransform = trans;                 }                         </mx:Script>         <mx:Label text="Position"/>         <mx:HSlider change="scanPosition()" id="positionSlider"/>         <mx:Label text="Volume"/>         <mx:HSlider change="scanVolume()" id="volumeSlider"/>         <mx:Label text="Pan"/>         <mx:HSlider change="scanVolume()" id="panSlider"/>     </mx:VBox> </mx:Application>