Transmission apparatus, reception apparatus, communication system, transmission method, reception method, and programs thereof

Abstract

[Object] To provide a transmission apparatus, a reception apparatus, a communication system, a transmission method, a reception method, and programs therefor that are capable of efficiently transmitting at least a plurality of pieces of video data included in data of a plurality of contents at the same time. [Solving Means] A switch unit ( 32 a ) of a transmission apparatus selects one of a plurality of pieces of video data supplied from a storage apparatus ( 42 ) in accordance with video data designated by a transmission data control unit ( 32 i ) and supplies it to an IF unit ( 32 b ). The IF unit ( 32 b ) transmits video data decoded by a decode unit ( 113 ) from a terminal ( 335 ). The compressed video data supplied from the switch unit ( 32 a ) is transmitted via a terminal ( 336 ). The terminal ( 335 ) is included in a first channel unit. In a case where the IF unit ( 32 b ) is an HDMI, for example, the terminal ( 335 ) is a terminal for a TMDS channel. The terminal ( 336 ) is a terminal that is included in a second channel unit and connected to a reserved line, an HPD line, and the like.

1 . (canceled) 
     
     
         2 . A transmitting method comprising the steps of:
 detecting a connection status between a transmitting apparatus and an external device by DC bias of at least one of a pair of differential lines included in a high definition multimedia interface (HDMI) cable;   transmitting first data, which is baseband and is stored in a content storage unit that stores video contents including video programs of at least one of broadcast programs or movies, to the external device as differential signals via transmitting lines for baseband data, the transmitting lines being included in the HDMI cable;   transmitting second data, which is different from the first data, to the external device via a reserved line and a hot plug detect (HPD) line included in the HDMI cable,   receiving third data, which is different from the first data, from the external device via the reserved line and HPD line; and   subtracting the second data from the third data.