Registered: 03/10/2000
Posts: 69
Loc: San Diego, CA US
Broadcast Data Systems (BDS) is the company that provided the data for the Sony eMarker project.
"There is a separate service, Broadcast Data Systems (BDS), that provides the playlists (time and song) for over 1,100 radio stations (mainly popular music). BDS gets their information by having computers around the country that "listen" to a number of radio stations. Using a proprietary algorithm, they create "signatures" for songs as they are played, and compare them to songs in their database."
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