MONITORING UNIT FOR USE IN A SYSTEM FOR MULTIMEDIA CONTENT DISTRIBUTION
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United States of America Patent
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Issued Date -
May 21, 2009
app pub date -
Nov 21, 2007
filing date -
Nov 21, 2007
priority date (Note) -
Published
status (Latency Note)
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Abstract
A disclosed multimedia signal monitoring unit includes a chassis and, within the chassis, a processor, a multimedia signal receiver for receiving an encoded multimedia stream, and a plurality of decoders. Each of the decoders can decode an encoded multimedia signal, where at least two of the plurality of decoders is operable to decode the multimedia signal using different decoding algorithms. The decoder includes a switch under control of the processor. In some embodiments, the switch is configured to connect the receiver to a selected one of the decoders. A user input interface is connected to the microprocessor and is operable to manually operate the switch. Each decoder may be attached to a corresponding circuit board. Each of the circuit boards is received within a corresponding slot defined within the chassis. The circuit boards may be swapped among the slots. Each decoder may be operable to decode a multimedia signal modulated using 8-level vestigial sideband modulation.
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