Patent ID: 7565649

Claim:
A data reproduction apparatus for reproducing data recorded in a recording medium, and capable of being connected via an interface bus to a video display apparatus that operates according to software, comprising: a transmitter that transmits video data and audio data read from the recording medium, using a first area and a second area, respectively, to said video display apparatus via said interface bus; and a controller that controls said transmitter to transmit, at the time of a software update for said video display apparatus, update software read from the recording medium to said video display apparatus via said interface bus, using a third area for transmission of additional data that is different from said first and second areas, while indicating the software update to said video display apparatus, wherein said interface bus includes a data line that transmits the video data, the audio data, and the additional data, a clock line that transmits a clock signal, and a control line that transmits a control signal, said first area is a video period of the video data, and said second and third areas are present in a blanking interval of the video data, and said transmitter outputs a clock signal to said clock line while transmitting, in synchronization with the clock signal, the update software via the data line using said third area.