The present technology relates to a transmission apparatus and a transmission method, a reception apparatus and a reception method, a transmission system, and a program by which the communication efficiency can be enhanced and power saving can be realized in transmitting and receiving additional data instead of audio data in addition to visible image data in a DisplayPort (trademark) standard.;In the DisplayPort (trademark) standard, the visible image data is provided with a format by which audio data can be transmitted in addition to the visible image data. In transmitting other additional data by using this format for transmitting the audio data, a part of an error correction code included in the format is omitted if high reliability is not required unlike the audio data. The present technology is applicable to a display port.
