Equalizer for digitized signals
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United States of America Patent
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Feb 3, 1998
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N/A
app pub date -
Aug 9, 1996
filing date -
Aug 12, 1995
priority date (Note) -
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Abstract
In an equalizer with n number of frequency ranges for digitized signals in which by means of n-1 cascaded filter circuits containing parallel connected digital low-pass filters and digital high pass filters whose respective frequency responses are linked by complementary transfer functions. A desired amplitude response is implemented via an increase or decrease in the amplitudes of adjacent frequency ranges in the associated filter circuit by weighting the outputs of the digital high-pass and low-pass filters, and a control unit forms the respective weighting factor from an equalizer control signal which contains the desired amplitude response as information.
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