Patent ID: 7580522
Filing Date: 2009-08-25
Classification: H04N

Abstract:
1. A method, comprising: receiving at least two data streams, each of the at least two data streams comprising a plurality of packets and each packet having a header including a packet identifier, generating a multiplexed data stream in a routing component, the multiplexed data stream comprising packets from the at least two data streams arranged in an alternating order; descrambling the multiplexed data stream using a single descrambling component distinct from the routing component, wherein the routing component sequentially routes packets from the multiplexed data stream to the single descrambling component in the alternating order; receiving, in the routing component, packets from the single descrambling component, the packets being received in a descrambled form and in accordance with the alternating order so that a descrambled multiplexed data stream is formulated; and outputting separate descrambled data streams from the routing component, the separate descrambled data streams being formed by demultiplexing the descrambled multiplexed data stream in the routing component.