Signal quality determining device and method
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United States of America Patent
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May 16, 2000
Grant Date -
N/A
app pub date -
Sep 5, 1997
filing date -
Mar 15, 1995
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Abstract
A device for determining the quality of an output signal to be generated by a signal processing circuit with respect to a reference signal is provided with a first series circuit for receiving the output signal and with a second series circuit for receiving the reference signal and generates an objective quality signal by a combining circuit coupled to the two series circuits. Correlation between the objective quality signal and a subjective quality signal, to be assessed by human observers, can be considerably improved by coupling a converting arrangement to a series circuit for converting at least two signal parameters into a third signal parameter, and by coupling a discounting arrangement to the converter arrangement for discounting the third signal parameter at the combining circuit.
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