COMMUNICATION DEVICE, COMMUNICATION METHOD, AND COMPUTER PROGRAM

摘要

Graphics are preferably superimposed on uncompressed image data received from an external device to be transmitted to another external device. An AV amplifier 12 inserted on an HDMI transmission path between a BD player 11 and a television receiver 13 superimposes the graphics on the transmitted uncompressed image data. At that time, the AV amplifier 12 receives dynamic range conversion definition information of the uncompressed image data and generates graphics image data on the basis of the dynamic range conversion definition information to superimpose, thereby displaying the graphics with desired luminance even when dynamic range reverse conversion is performed by the television receiver 13.

主权项

1. A communication device, comprising:
a data receiving unit which receives uncompressed image data transmitted from a first external device through a first transmission path; an information receiving unit which receives dynamic range conversion definition information of the uncompressed image data through the first transmission path; a graphics processor which adjusts luminance of graphics on the basis of the dynamic range conversion definition information received by the information receiving unit to combine with the uncompressed image data received by the data receiving unit; and a data transmitting unit which transmits the uncompressed image data with which the graphics are combined to a second external device.