CD-Text is extra Text information which can be encoded on Audio CDs. There's the possibility to have text from the Album and text for every Track separately.
This text is encoded in the subchannel data in the lead-in of an audio CD.
IsoBuster finds and decodes CD-Text information automatically when :
More and more drives these days support CD-Text. If you buy a drive now, chances are CD-Text is supported. There are also plenty of Audio CDs out there with CD-Text although it is definitely not so that all Audio CDs you can buy today contain CD-Text !