Patent ID: 8588312
Filing Date: 2013-11-19
Classification: G06T,G11B,H04N

Abstract:
1. A method of transmitting video information for reproduction on a display via an information signal that represents the video information, the video information being a multiplexed MPEG stream, the video information comprising basic information and overlay information related to the basic information, the basic information being an elementary stream of encoded video data, the overlay information comprises at least one overlay page to be displayed as a unit in combination with the basic information, the overlay page being encoded as a private stream, transmitting said information signal from a transmitter device to a receiver device wherein the overlay information additionally comprises: a presentation timestamp which denotes an initial presentation time of the overlay information, and time information for controlling a period of time during which the overlay information is to be displayed, the time information being expressed in units of an available MPEG system clock of the receiver device.