Navitation within switched digital streamed content

Details Navitation within switched digital streamed content Navitation within switched digital streamed content

H - Electricity

04

N

H04N 7/26 (2006.01) H04N 7/16 (2006.01) H04N 5/445 (2006.01) H04N 7/173 (2006.01)

Patent

CA 2578418

In certain embodiments, a method carried out in a digital television receiver device incapable of full two way communications, of receiving switched digital television programs involves storing a virtual channel table in the digital television receiver device, the virtual channel table having entries for each available channel and having a channel type indicator that identifies switched digital channels; receiving a command indicative of selection of a switched digital channel having the switched digital channel type indicator in the stored virtual channel table; sending a request from the television receiver device for the switched digital channel; responsive to the request, receiving a response that either grants the request or denies the request; and if the response grants the request, receiving an updated virtual channel table having updated table entries. This abstract is not to be considered limiting, since other embodiments may deviate from the features described in this abstract.

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