Unloading a loaded SWF file

Hello All,
I am using the following code to load a SWF file into a Flash animation. The SWF file is nothing more than a short flv video (10 seconds). Users have the option of clicking a "HOME" mc if they want to return to the main menu before the flv video is completely finished playing.
var myLoader:Loader = new Loader ();
function lipStop(event:MouseEvent):void {
var myURL:URLRequest = new URLRequest ("lipStop.swf");
myLoader.load(myURL);
addChild(myLoader);
home_mc.addEventListener(MouseEvent.CLICK, home);
function home (event:MouseEvent):void {
removeChild(myLoader)
gotoAndStop(1)
When I click the HOME mc the lipStop.swf disappears as I intend and the animation returns to frame 1, but somehow I can still hear the SWF file playing in the background. I tried the samething using a FLV playback component and the same thing happens: timeline returns to frame 1, the image diappears, but I can still hear the audio track in the background.
Any suggestions?
Thanks in advance.
Chris

if you're publishing for fp10, use the loader unloadAndStop() method. otherwise, you can use the soundmixer's stopAll() method or even better, close that stream explicitly.

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Ok so I have a button in my main movie that loads the external swf
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