Program guide in a digital video system
First Claim
1. A signal processing apparatus, comprising:
- means for receiving a packetized signal and for identifying ancillary information included in said packetized signal, said ancillary information comprising;
a) master guide information for use in identifying and acquiring special guide information; and
b) special guide information for use in acquiring program information associated with a program included in said packetized signal; and
means responsive to said ancillary information for acquiring said program from said packetized signal.
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Accused Products
Abstract
Apparatus and method for acquiring a program from a packetized signal in response to ancillary information included in the packetized signal. The packetized signal includes a plurality of program signals and ancillary information associated with the plurality of program signals. The apparatus includes means for identifying the ancillary information from the packetized signal, the ancillary information including master guide information for use in identifying and acquiring special guide information, and special guide information for use in acquiring program information associated with the plurality of program signals. The program signals may be acquired using identifier information that may be derived from the ancillary information. The apparatus includes means responsive to the ancillary information for acquiring a selected program from the packetized signal.
53 Citations
21 Claims
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1. A signal processing apparatus, comprising:
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means for receiving a packetized signal and for identifying ancillary information included in said packetized signal, said ancillary information comprising; a) master guide information for use in identifying and acquiring special guide information; and b) special guide information for use in acquiring program information associated with a program included in said packetized signal; and means responsive to said ancillary information for acquiring said program from said packetized signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 18)
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16. Method for forming a packetized signal comprising the steps of:
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forming ancillary information including program guide information for inclusion in said packetized signal, said ancillary information including; a) master guide information for use in identifying and acquiring special guide information; and b) special guide information for use in acquiring program information; and incorporating in said ancillary information data for use in linking and assembling packets comprising said master guide information and said special guide information in a decoder. - View Dependent Claims (17)
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19. A method for processing a packetized signal, the method comprising the steps of:
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acquiring ancillary information included in the packetized signal; identifying master guide information included in the ancillary information; identifying special guide information included in the ancillary information using the master guide information, and using the special guide information to determine program information associated with a program included in the packetized signal; and acquiring the program included in the packetized signal in response to the ancillary information. - View Dependent Claims (20, 21)
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Specification