package {

import flash.display.Sprite;

import flash.external.ExternalInterface;

import flash.media.Sound;

import flash.media.SoundChannel;

import flash.net.URLRequest;

import flash.system.Security;

public class test extends Sprite{

public var snd:Sound = new Sound(); 

public var sndChannel:SoundChannel=new SoundChannel();

public function test(){

        ExternalInterface.addCallback("sendToAS",loadSound);

}

private function loadSound(type:String,url:String,tmpPos:Number):void{

if(type=="play"){

        var snd:Sound=new Sound(new URLRequest(url));

        sndChannel=snd.play(tmpPos*1000,0,null);

}if(type=="stop"){

        try{sndChannel.stop();snd.close();}

        catch(e:Error){sndChannel.stop();}

}}

}}

var context:SoundLoaderContext = new SoundLoaderContext(5000, true);

var snd:Sound = new Sound(new URLRequest(mp3Path), context);