how to make ringtones on itunes on mac?
['Select a track to use as the source. ... ', 'On the Get Info > Options tab set start and stop times no more than 40 seconds apart, or 30 seconds for text tones.', 'Under Edit (Win) or iTunes (Mac) > Preferences > General tab > Import Settings choose AAC Encoder > High Quality 128k. ... ', 'Use File > Convert > Create AAC version.']