Patent ID: 9258544
Filing Date: 2016-02-09
CPC Classification: H04N

Claim Text:
1. A method for transmitting a broadcast signal for a three-dimensional, 3D, service to a digital receiver, the method comprising: encoding a video elementary stream including a 3D caption service data; generating signaling information for signaling a 3D video service; and transmitting the digital broadcast signal including the video elementary stream and the signaling information, wherein the 3D caption service data includes a command code that provides disparity data, wherein the command code includes a flag, a window identifier and the number of frame counts, change amount of disparity, and disparity data, and wherein the disparity data represent difference between right and left views, wherein the flag indicates whether the disparity data applied to all caption windows or a caption window, wherein the window identifier indicates a window id for which the disparity data is being given, and the number of frame counts means the number of frames to which the disparity data is applied, and wherein the change amount of disparity indicate an amount of change to apply in slope gradually.