Patent ID: 6643620
Filing Date: 2003-11-04
Classification: G10L,G11B,H04N

Abstract:
A method of managing the storing and retrieving of an A/V program stored at an identified location, comprising:obtaining first information about an A/V program from a user; obtaining second information about said A/V program automatically from a source of electronic program guide information; using said first and second information to define text information; associating in a database said text information with an identified location of said A/V program; using said text information to dynamically generate a vocabulary; receiving a spoken request utterance from the user; processing said utterance using an automatic speech recognition system which utilizes said dynamically generated vocabulary to generate request text; processing said request text using a natural language parser to extract at least one keyword from said request text; using said at least one extracted keyword to query said database and to thereby identify for storing or retrieving an A/V program having associated text information that corresponds to said extracted keyword.