ActionScript for Flash MX: The Definitive Guide, 2nd Edition By Colin Moock
Chapter 18. ActionScript Language Reference
Sound.getVolume( ) Method
Flash 5
retrieve the current volume setting
soundObject.getVolume()
Returns
A number indicating the current volume as set by setVolume( ). Usually in the range of 0 (no volume) to 100 (default volume), but it can be higher.
Description
The getVolume( ) method is used to determine the current volume of the sounds controlled by soundObject. Normally, getVolume( ) is used in combination with setVolume( ) to adjust the current volume of a sound.
Example
Here we reduce the volume of a sound by 20:
mySound = new Sound(); mySound.setVolume(mySound.getVolume() - 20);