Patent ID: 7971121

Claim:
A communications system, comprising: a plurality of packet switching nodes, located within a packet switching network, to receive, from a source, a plurality of information packets directed to a destination, where each of the plurality of packet switching nodes includes: at least one packet loss concealment processor to: receive a respective subset of the plurality of information packets, where the subset includes two or more consecutive information packets of the plurality of information packets, and perform packet loss concealment on the received two or more consecutive information packets as the two or more consecutive information packets pass through a packet switch node of the plurality of packet switching nodes, where, when performing the packet loss concealment, the at least one packet loss concealment processor is further to: determine that the received two or more consecutive information packets include a lost information packet, determine a substitute information packet, for the lost information packet, based on contents of previously received information packets and on information associated with the source, where the information associated with the source includes one or more spectral characteristics of a transmission, from the source, carrying the received two or more consecutive information packets, and replace the lost information packet with the determined substitute information packet.