A CD on which only music information specified by the CD-DA is recorded, or a CD on which both music information specified by the CD-DA and music information to be recorded on a CD-ROM are recorded is mounted upon an information processing terminal. When the CD on which only music information specified...http://www.google.de/patents/US7624199?utm_source=gb-gplus-sharePatent US7624199 - Digital data distribution system with switching unit, online acquisition unit, and conversion unit for converting from first to second format
