| 摘要 |
A method of operation of a personal video recorder (PVR) involves receiving and storing a plurality of commercial advertisements forming a part of a stream of program content at the PVR; receiving and storing metadata associated with the plurality of commercial advertisements at the PVR; storing an index to the one or more commercial advertisements at the PVR; ascertaining that the end of the stream of program content has been reached; as a result of the ascertaining, using the stored index to retrieve metadata associated with the one or more commercial advertisements; building a menu of commercial advertisements from the retrieved metadata for the advertisements; generating a signal that displays the menu to the user and provides the user with an option of viewing the commercials; if the user chooses not to view the commercials, ceasing to generate the signal that displays the menu; if the user chooses to view a commercial, then receiving a selection of a commercial advertisement that the user wishes to view; and retrieving the commercial advertisement for viewing by the user. This abstract is not to be considered limiting, since other embodiments may deviate from the features described in this abstract.
|
