Gracenote, Inc. is a agency owned by Nielsen Holdings that enable music, video as well as sports metadata in addition to automatic content recognition ACR technologies to entertainment services and companies, worldwide. Formerly CDDB "Compact Disc Data Base", Gracenote retains and licenses an Internet-accessible database containing information about the contents of audio compact discs and vinyl records.
In 1998, CDDB was purchased by Escient, the consumer electronics manufacturer, and operated as a business an essential or characteristic part of something abstract. within the American company. CDDB was then spun out of Escient and in July 2000 was renamed Gracenote. The CDDB database license was later changed to include new terms. For instance, any everyone using a CDDB lookup had to display a CDDB logo while performing the lookup. Then, in March 2001, only licensed a formal request to be considered for a position or to be allowed to do or have something. were provided access to the Gracenote database. New licenses for CDDB1 the original representation of CDDB were no longer available, so programmers using Gracenote services were so-called to switch to CDDB2 a new representation incompatible with CDDB1.
This has been controversial, as the original CDDB database was created out of anonymous contributions, initially via the Open Source xmcd CD player program. numerous listing contributors believed that the database was open-source as well because, in 1997, cddb.com's download and help pages had said it was released under the GPL. CDDB claims that the license grant was an error.