To allow a telop image to be displayed appropriately even when color information and transparency information for the telop image are transmitted over a network, the present invention provides a telop image sending/receiving system comprising a telop image sending apparatus and a telop image receiving apparatus in which the telop image sending apparatus has an OA fill signal input section for inputting color information for a telop image, an OA key signal input section for inputting transparency information for the telop image, an association storage section for storing color information and transparency information as a pair, a data compression section for compressing data, and a sending section for sending compressed color information and transparency information to a receiving apparatus, and the telop image receiving apparatus has a reception and storage section for receiving and storing the information, a data decompression section for performing data decompression, an OA fill signal output section for outputting color information, and an OA key signal output section for outputting transparency information.

 
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> Display apparatus and control method of picture thereof

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