Patent ID: 8498513
Filing Date: 2013-07-30
Classification: H04N

Abstract:
1. A method for controlling recording of an audio/video (A/V) data stream in a display device of a wireless network, the control method comprising: transmitting a first request message to a tuner device for requesting status information of the tuner device that transmits an A/V data stream to the display device after receiving a recording instruction signal from a user; receiving a first response message which comprises status information of the tuner device, from the tuner device in response to the first request message; transmitting a second request message to request recording of the A/V data stream to the source device, the second request message comprising the status information of the tuner device; and receiving a second response message from the source device in response to the second request message, wherein the first response message comprises information indicating whether caption information is included in the A/V data stream transmitted from the tuner device to the display device.