Here is some code for playing with the sound spectrum/peak in flash player 8.5. package { import flash.display.MovieClip; import flash.util.trace; import flash.media.Sound; import flash.media.SoundChannel; import flash.net.URLRequest; import flash.events.*; import flash.util.ByteArray; import flash.util.SetIntervalTimer; import flash.display.Sprite; import mx.controls.Button; public class AsOnly e