Adaptive filter device and method for determining filter coefficients
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United States of America Patent
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Mar 19, 2013
Grant Date -
Oct 9, 2008
app pub date -
Mar 31, 2008
filing date -
Mar 31, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An adaptive filter device, including a finite impulse response (FIR) filter which is based on filter coefficients, which are determined based on a predetermined iterative adaptation algorithm for determining filter coefficients of an adaptive filter, wherein, in at least one iteration step of said predetermined iterative adaptation algorithm a sum value is determined, wherein each summand of said sum value depends on one of said filter coefficients, and, if said sum value is above a predetermined threshold, the filter coefficients are modified.
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