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Chapter 13. Sound Tracks and MPEG Audio ... > Creating an MPEG1 Audio Track from a...

Creating an MPEG1 Audio Track from an MPEG-1 Sound File

MPEG—or Moving Picture Experts Group—Version 1 sound files are commonly used on the Internet. These files are referred to as MPEG-1, and they come in several flavors (Layer I, Layer II, and Layer III), which are encoded differently from each other. In theory, the higher the layer number, the better the quality, but this does not always hold true.

You can open MPEG-1 Audio Layer I and Layer II files in QuickTime Player. You do not, however, create a regular QuickTime sound track; instead, you create an MPEG1 Audio track. (MPEG-1 Audio Layer III—more commonly known as MP3—can be converted to a sound track as described in “Creating a Sound Track from a Sound File” earlier in this chapter.)


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