Multiplex communications – Fault recovery
Reexamination Certificate
2007-09-11
2011-12-06
Phillips, Hassan (Department: 2467)
Multiplex communications
Fault recovery
C370S487000, C370S537000
Reexamination Certificate
active
08072874
ABSTRACT:
A system and method for transitioning to a back-up or engineering signal processing system includes a remote facility having multiplexers and a primary signal processing system generating a first output signal, an IP network, and a plurality of local collection facilities generating a plurality of channel signals through a plurality of receiving circuit modules having respective encoders encoding the plurality of channel signals into a plurality of encoded signals. The plurality of local collection facilities communicating the plurality of encoded signals to the remote facility having a first signal processing system through the network. A first compression system controller is associated with the remote facility storing first configuration data for monitoring and controlling the plurality of receiving circuit modules and the multiplexers. An engineering compression system controller has an engineering signal processing system. The first compression system controller communicates the first configuration data to the engineering compression system controller. The engineering compression system controller configures the engineering signal processing system with the first configuration data. A router associated with the plurality of receiving circuit modules routing the plurality of encoded signals to the engineering signal processing system. The engineering signal processing system generates a second output signal from the plurality encoded signal. The first signal processing system discontinues generating the first output signal.
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“Specification for the Use of Video and Audio Coding in DVB Services Delivered Directly Over IP Protocols”; DVB Document Rev. 2; May 2007.
Mika Jeanet C.
Pham Hoang D.
Phillips Hassan
The DIRECTV Group Inc.
Tsegaye Saba
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