VIDEO DISPLAY DEVICE AND CONTROL METHOD THEREOF

摘要

Provided are a video display device and a method of controlling the same. The method includes: obtaining an uncompressed audio-visual (AV) content; playing the uncompressed AV content through the display unit; obtaining content information of the uncompressed AV content on the basis of a content section of the uncompressed AV content; obtaining content change time information and enhanced service information on the basis of the content information; and determining a delay time for obtaining the next content information on the basis of the content change time information.

主权项

1. A method of controlling a video display device, the method comprising:
obtaining an uncompressed audio-visual (AV) content; playing the uncompressed AV content through the display unit; extracting a characteristic information from a content section of the uncompressed AV content; transmitting a first query including the characteristic information to an ACR server; obtaining an address of an enhanced service information providing server on the basis of a first response for the first query; transmitting a second query to the enhanced service information providing server; obtaining an enhanced service information on the basis of a second response for the second query, wherein the enhanced service information includes a start time of an enhanced service; and playing the enhanced service in the start time of the enhanced service.