Patent ID: 6628678
Filing Date: 2003-09-30
Classification: H04N

Abstract:
A demultiplexer for selectively demultiplexing ATM signals and MPEG signals received at an input of the demultiplexer, the demultiplexer comprising:an MPEG demultiplexer for demultiplexing an MPEG transport stream; an ATM section for identifying MPEG transport stream data in an ATM signal; and means for selectively connecting the input to the MPEG demultiplexer or the ATM section according to whether the received signal is an MPEG signal or an ATM signal, wherein the demultiplexer includes a memory shared between the MPEG demultiplexer and the ATM section, and the ATM section processes ATM signals by storing the received signals in the memory, and providing the MPEG demultiplexer with addresses appropriate for the MPEG demultiplexer to retrieve demultiplexed data from the memory.