| 摘要 |
A broadcast receiving apparatus includes a broadcast receiving section 11 for receiving a broadcast, an expansion service providing section 12 for providing an expansion service, an expansion service decision section 13 for making a valid/invalid decision about the expansion service, a channel alteration section 14 for adding the expansion service as one channel when it is decided as valid, an input section 15 for selecting one channel from channels receivable by the broadcast receiving section and from channels added, a channel control section 16 for starting, when the selected channel is a channel receivable by the broadcast receiving section, reception of the broadcast on the channel and for switching between the broadcast receiving section and the expansion service providing section to select one of their outputs, and an output section 17-20 for outputting information based on the output of the broadcast receiving section or the expansion service providing section switched.
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