MACROMEDIA FLASH 8-DEVELOPING FLASH LITE 2.X Develop Manual page 50

d.
(Optional) To control the device sound with ActionScript, click Advanced to display
the advanced sound properties options, select Export for ActionScript, and type
device_sound in the Identifier text box.
e.
Click OK to close the Sound Properties dialog box.
To play the device sound, you can either attach the proxy sound to the Timeline or use the
ActionScript sound object. To use the ActionScript sound object, skip to step 6.
5. To attach the device sound to the Timeline, do the following:
a. Select the keyframe on Frame 1 on the layer named Content.
b.
In the Property inspector, select proxy.wav from the Sound pop-up menu.
This attaches the proxy sound to the keyframe.
The Flash authoring tool displays the proxy sound's waveform in the Timeline.
Waveforms for sounds that are linked to external device sounds are colored green;
waveforms for sounds that are not linked to external device sounds are colored blue, as
the following image shows.
50 Working with Sound, Video, and Images
Property inspector
Sound linked to external
device sound
Sound not linked to
external device sound