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Working with sound
- It's a good idea to limit sound files to 16-bit sound, since it generally represents the best compromise between sound quality and file size.
- Event sound is a sound that must be fully downloaded before it can play. It is useful for short sounds, small sound files, and sounds that are played repeatedly (such as those attached to rollovers or that are looped for a background sound).
- Streaming sound is a sound that can play while it is being downloaded. It is useful for long sounds, large sound files, or sounds that need to be synchronized to begin at a particular frame in an animation. Unlike event sounds, looped streaming sounds add to the file size with each loop.
Except for sounds triggered by rollovers or manipulated through scripting, all sounds exist solely in the timeline. If a sound is added to the composition by either using the Place command or by adding a sound from the Sounds palette, the sound appears as an object in the timeline. You can add sounds to movie clip timelines as well by first opening the movie clip timeline and then dragging the sound into the Timeline window. You can manipulate and animate the sound in much the same way as you would any other object.
Here are a few points to consider when working with sound:
For more information on using sounds with rollovers, see Attaching sounds to rollovers.
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