| 摘要 |
A method of constructing and handling a request for a desired data file relating to a broadcast segment of a broadcast signal is described. The method comprises receiving an information signal at a receiving device. The information signal comprises at least a data element, and the data element relates to a segment of the broadcast signal. The method also comprises presenting the data element to a user interface of the receiving device, obtaining a user selection of the data element from the user interface, and constructing and transmitting a request for the desired data file relating to the selected data element, the request including an identifier relating to the desired data file. |
