Patent ID: 7180917
Filing Date: 2007-02-20
Classification: H04H,H04N

Abstract:
1. A transmitter in a digital broadcast system comprising: an input device for receiving content segments; a memory device for storing index data for identifying predefined content segments stored at remote locations; a multiplexer for multiplexing selected said content segments with at least said index data to generate a broadcast signal, said broadcast signal comprising content segment progress data and said content segments with said index data inserted at selected locations therein and being used by receiver units at said remote locations to playback respective said predefined content segments identified by said index data with said content segments, said content segment progress data providing a time index for playing back at least one of said predefined content segments associated therewith to allow the receiver units to determine when said predefined content segments are to be inserted among said content segments in the said broadcast signal as said content segments are being received and played back by the receiver units.