A method and apparatus for providing music information for a wireless CD player is disclosed. The CD player may transmit a substantially unique CD tag to a music information service computer system across a network via a wireless communications protocol. The music information service system then matches...http://www.google.es/patents/US7702721?utm_source=gb-gplus-sharePatente US7702721 - Method and apparatus for providing music information for a wireless audio player
Method and apparatus for providing music information for a wireless audio player
