Sams Teach Yourself Adobe Flash CS4 Professional in 24 Hours, Fourth Edition

Chapter 13. Including Sound in Animations

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WHAT YOU’LL LEARN IN THIS HOUR:

• How to import and use sounds in keyframes

• Audio concepts such as sample rate, frequency, and compression

• How to apply tricks to minimize sound’s impact on file size

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Sound makes a movie come alive, but the power of audio is subtle. People often don’t notice or remember the sounds you use. Create a movie with the wrong sounds, and the audience notices right away. The effect of audio is often subconscious, and that’s what makes it so powerful.

Regardless of why sound is useful, it’s important to use audio effectively because it’s usually the largest portion of an exported movie’s file size. There’s no reason to allow the audio to add more size ...