Patent ID: 6078594
Filing Date: 2000-06-20
Classification: H04N

Abstract:
An automated method for effecting channel change of a time division multiplexed digital datastream in a transport and associated decoder, said method comprising:requesting a channel change by writing a new packet identifier value from the host processor to an appropriate register in the transport and automatically sending a Channel Change Request from the transport to the decoder in response thereto;within the decoder, responsive to the Channel Change Request, automatically stopping decoding of an old datastream, stopping requesting data from the transport, and configuring the decoder for a new channel datastream;after configuring the decoder for said new channel datastream, providing a Channel Change Acknowledgment from the decoder to the transport; andat the transport, responsive to said Channel Change Acknowledgment from the decoder, automatically stopping the old datastream, purging data in the transport associated with the old datastream, and configuring the transport to receive the new channel datastream.