Audio Overlap

Hey, all. This is my first post, but I’ve been lurking for a while. Can anyone tell me how I can be sure that my voice-over audio clips (events) won’t overlap on different PC’s? I know flash sometimes plays more quickly or more slowly on different computers, but how can I be sure it won’t play so fast that the event audio overlaps before the previous one is finished? Here’s the example. Thanks.

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first you need to have your sound on a layer - where you can see the little sound waves(you’ve probably already done this). then click on the first frame of this layer where the sound starts. click properties down at the bottom and make sure ‘sync’ is set to stream - event is default. with stream the sound is locked to its respective frames.