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Chapter 4.  Tweaking the Sound  >  Compression and Encoding Formats

Compression and Encoding Formats

Ripping music from a CD is a process of compressing the song’s digital information and encoding it in a particular sound file format. Ripping is a straightforward process, but the settings you choose for importing affect sound quality, disk space (and iPod space), and compatibility with other types of players and computers.

Compression reduces the sound quality because it throws away information to make the file smaller. The amount the file is reduced depends on the bit rate you choose, as well as the encoding format and other options. More compression means more space is available in your iPod for more music files, but the music quality is poorer. Less compression means better quality and larger music files that take up more space in your iPod.


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