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Video transmission device and its method
| Details |
Inventors: Obikane, Nobuhisa;
Assignee: Sony Corporation (Tokyo, JP)
Primary Examiner: Diep; Nhon
Assistant Examiner:
Attorney, Agent or Firm: Frommer Lawrence & Haug LLP, Frommer; William S.
In a video transmission device, a plurality of video data associated with one program can be transmitted without a complicated processing at the time of reception. In the case of transmitting a plurality of associated video data, first program information to control the plurality of associated video data as one program is formed and transmitted, so that the plurality of video data associated with one program can be transmitted without a complicated processing. |
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DETAILED DESCRIPTION In view of the foregoing, an object of this invention is to provide a video transmission device and its method capable of transmitting a plurality of video data associated with one program without a complicated reception processing.
The foregoing object and other objects of the invention have been achieved by the provision of a video transmission device and its method.
In the present invention, a plurality of associated video data is encoded respectively and then, different packet identification information is added to each coded video data to packetize the coded video data.
And in order to control the plurality of associated video data as one program, first program information to show the packet identification information added to coded video data respectively, per video data is formed, and proper packet identification information is added to the first program information to packetize the first program information.
Then, by multiplexing packets concerning each video data and the first program information, first transmission data for one program is formed.
Further, the first transmission data, the second transmission data formed of a different program, and second program information to show the packet identification information added to the first program information of each program to be transmitted, per program are multiplexed in order to form and transmit third transmission data through the predetermined circuit.
In this way, in the case of transmitting a plurality of associated video data, since the first program information for controlling the plurality of associated video data as one program is formed and transmitted, video data can be shifted without receiving program information whenever shifting video data, like the conventional case in which associated video data are transmitted as separate programs.
Thus, the processing of the receiving side can be simplified.
The nature, principle and utility of the invention will become apparent from the following detailed description when read in conjunction with the accompanying drawings in which like parts are designated by like reference numerals or characters
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Television 
