Patent ID: 6275507
Filing Date: 2001-08-14
Classification: H04N

Abstract:
A transport demultiplexor for demultiplexing a transport stream into a system data stream, a video data stream, and an audio data stream, said transport demultiplexor comprising:a) front end logic;b) a packet buffer;c) a video unloader;d) a data unloader for unloading and queueing system data; ande) an audio unloader;said front end logic receiving transport stream input packets, and delivering said transport stream packets to the packet buffer, and said packet buffer delivering system data to the data unloader, video data to the video unloader, and audio data to the audio unloader, wherein said front end logic comprises a packet parser having a packet ID filter, and a packet loader; andfurther including a buffer control, wherein said buffer control has a data link to said packet buffer and to said data unloader, wherein said buffer control includes an arbiter, a queue manager, and a static RAM controller.