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Hierarchical playlist generator

  • US 7,840,620 B2
  • Filed: 01/17/2005
  • Issued: 11/23/2010
  • Est. Priority Date: 01/20/2004
  • Status: Expired due to Fees
First Claim
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1. A playlist generator apparatus comprising:

  • a first selector device connected all the time with at least one database source of material of an Internet-based environment, wherein the first selector device accesses and searches the at least one database source of material and provides therefrom a first subset of identifications of items within the at least one database source of material at a highest hierarchical level, based on a first set of parameters corresponding to a first set of user preferences, further wherein the first selector device accesses and searches the at least one database source of material on a weekly basis to maintain the first subset of identifications of items up to date, the first subset of identifications of items being stored in a database of the playlist generator, anda second selector device operatively coupled subsequent to the first selector device via the database of the playlist generator, wherein the second selector device searches the first subset of identifications stored in the database of the playlist generator at a lower hierarchical level based on a second set of parameters corresponding to a second set of user preferences, and provides at an output of the second selector device a second subset of identifications of items within the at least one database source of material, wherein the second subset corresponds to a playlist that is used by a rendering device for a subsequent rendering of the items identified in the second subset.

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