<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2009/05/05/muting-the-volume-on-a-spark-videoplayer-control-in-flex-gumbo/ -->
<s:Application name="Spark_VideoPlayer_muted_test"
        xmlns:fx="http://ns.adobe.com/mxml/2009"
        xmlns:s="library://ns.adobe.com/flex/spark"
        xmlns:mx="library://ns.adobe.com/flex/halo">

    <s:CheckBox id="checkBox"
            label="muted"
            left="10"
            top="10"
            click="videoPlayer.muted = checkBox.selected;" />

    <s:VideoPlayer id="videoPlayer"
            source="http://helpexamples.com/flash/video/cuepoints.flv"
            horizontalCenter="0"
            verticalCenter="0" />

</s:Application>