Patent ID: 9154668
Filing Date: 2015-10-06
Classification: G06F,H04L,H04N

Abstract:
1. A method of controlling a video display device, the method comprising: displaying an automatic content recognition (ACR) function setting user interface (UI) through a display unit; receiving ACR function setting information according to an input of a user based on the ACR function setting UI; storing the ACR function setting information on a storage unit; receiving a broadcasting signal through a tuner; obtaining an uncompressed audio-visual (AV) content through a receiving unit; displaying the uncompressed AV content through the display unit; extracting characteristic information from a content section of the uncompressed AV content; transmitting a first query including the characteristic information to a first server; obtaining an address of a second server based on the first query; transmitting a second query to the second server; obtaining a start time of an enhanced service based on the second query; and displaying the enhanced service based on the start time through the display unit.