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About AIFF and WAV custom import options |
The custom import options in the Preferences window give you increased control over the quality of the music conversion and the amount of disk space the songs use.
Sample Rate: Sample rate is the number of times per minute that the music waveforms are captured digitally. The higher the sample rate, the higher the quality and the larger the file size. Be sure to choose an encoding rate that is no higher than the rate used to originally store the music, or you'll waste space. CD quality, for example, is 44.100 kHz, so choosing a higher rate when you're encoding from a CD is unnecessary. In general, the best choice is Auto, which uses the same rate as the original music.
Channels: Mono files are about half the size of stereo files. Mono is appropriate if you'll be listening to your song files using your computer's built-in speaker. If you'll be listening to your song files using headphones or your stereo system, use Stereo or Auto. Auto converts tracks that are already monaural into mono files, and stereo files into stereo files.
Sample Size: The sample size is the number of bits used to store each sample taken as the music is encoded. The higher the sample size, the better the quality and the larger the file size.