Transmission apparatus, transmission method, reception apparatus, reception method and recording medium

摘要

A transmission apparatus used for transmitting a question to a recipient, comprises: generation means for generating a control signal for limiting an answer-inputting function of a reception apparatus used by the recipient; first addition means for adding the control signal generated by the generation means and used for limiting the answer-inputting function of the reception apparatus and adding transmission-destination information showing a transmission destination of an answer entered by the recipient in response to the question prompting the recipient to enter the answer to a broadcast signal; and transmission means for transmitting the broadcast signal including the control signal and the transmission-destination information, which are added to the broadcast signal by the first addition means.