System for echo cancellation comprising an improved ghost cancellation reference signal
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United States of America Patent
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Oct 22, 1996
Issued Date -
N/A
app pub date -
Sep 22, 1992
filing date -
Oct 9, 1990
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A system for improved echo cancellation for use in particular in television receivers. The system features a superior ghost cancellation reference signal which exhibits improved performance in noisy environments and which exhibits the flat and wide bandwidth necessary for effective channel characterization while exhibiting a higher and more evenly distributed amplitude versus time characteristic than that provided by known, non-cyclic ghost cancellation signals.
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Family
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Cited Art Landscape
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