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April 14, 2001 Smoothing Transitions Between Sounds  Tips: April 2001
Yehuda Shiran, Ph.D.
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Flash has four different sync options: event, start, stop, and stream. You assign the type of the sound during editing. In this tip we discuss the event sync. With event sync, Flash can play multiple copies of the same sound at the same time. It replicates itself while it is currently playing. This replication is often referred to as a new "instance" of the same sound. If you re-trigger an event sound while it is playing, it does not stop, rewind, and restart the sound. Instead, you get layering of multiple instances of the same sound playing at the same time. As a reminder, in order to sonify your page, follow this recipe:
The sound effect of event sync is noticable compared to the sound effect you get when you stop each instance before starting a new one. The following A-E links demonstrate the event sync. Notice that the instances overlap each other. Move the cursor accross quickly to hear the overlapping effects. It smoothes transitions between different buttons: We took the above five links and added an onmouseout event to each to stop the sound when the mouse goes off the link. Notice that the sound is not as smooth as before:
Here is the source code:
Here are links you can use to download
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