a second filter bank receiving said input signal and being controlled by said frequency estimates and comprising a plurality of filters operating in different frequency bands, each frequency band comprising at least one of said targeted frequencies, {HEAD ~ each} of {TAIL ~ said filters} providing a modified signal 
of
a second filter bank receiving said input signal and being controlled by said frequency estimates and comprising a plurality of filters operating in different frequency bands , each frequency band comprising at least one of said targeted frequencies , { HEAD ~ each } of { TAIL ~ said filters } providing a modified signal
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