Patent ID: 7555020
Filing Date: 2009-06-30
Classification: H04H,H04N

Abstract:
1. An apparatus for generating an output signal from a broadcast signal in a digital broadcast system comprising: a memory device for storing predefined content segments; a receiver for receiving said broadcast signal, said broadcast signal comprising content segments and control data to indicate which of a plurality of said predefined content segments are to be played back via said output signal by said apparatus, said receiver being operable to extract said content segments and said control data from said broadcast signal; an output device for playing back said output signal; a processing device configured to receive said control data from said receiver and to generate a control signal used by said memory device to retrieve selected ones of said predefined content segments in accordance with said control data; and a multiplexer configured to receive as inputs said control signal generated by said processing device, said content segments from said receiver and said selected predefined content segments and to generate said output signal using said content segments received by said receiver and said predefined content segments in accordance with said control data; wherein said memory device comprises index data with which to identify each of said predefined content segments stored therein, and said control data comprises said index data corresponding to the selected said predefined content segments, said processing device being operable to provide said index data in said control data in said control signal for retrieving said predefined content segments corresponding thereto from said memory device.