Patent ID: 8990876
Filing Date: 2015-03-24
Classification: H04N

Abstract:
1. A method of receiving an enhanced service in a video display device playing a content, the method comprising: receiving an uncompressed audio-visual (AV) content; extracting first feature information from the received uncompressed AV content; transmitting the extracted first feature information to a first server; receiving from the first server a database including at least one of content information, enhanced service information, and an enhanced service, which correspond to the first feature information; storing the database received from the first server in a memory; extracting second feature information from the received uncompressed AV content; searching and obtaining one of content information, enhanced service information, and an enhanced service, which correspond to the extracted second feature information, from the database; and displaying a content information obtaining function setting window on the display unit, and wherein the content information obtaining function setting window supports one selection among a plurality of content information obtaining modes, wherein the plurality of content information obtaining modes comprises: a first mode where a first application automatically plays the enhanced service regardless of user's manipulation, a second mode where a second application managed by a content provider plays the enhanced service, and a third mode where a third application managed by a video display device manufacturer plays the enhanced service.