At first choose File > Import to import a sound file. Then locate the sound
file and click Open. After that the sound file will be saved in the
Click the first frame of "Layer 1" in the Timeline.
Then choose Window > Panels > Sound from the top menu.
In the pop up window choose the sound you imported
in the Sound field. Then choose Stream in the Sync field.After that close the
pop up window.
Then go to frame 50 in the Timeline. Then right click and choose
After that choose Control > Test Movie from the top menu to test your