Audio equalizer providing reciprocal equalization plus infinite-depth notch
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United States of America Patent
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Jan 25, 1994
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N/A
app pub date -
Feb 27, 1992
filing date -
Feb 27, 1992
priority date (Note) -
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Abstract
Audio equalizer circuit for adjusting the amount of boost and cut. The circuit uses a combination negative feedback, positive feedback, negative feed-forward and positive feed-forward resulting in boost and cut characteristics which are entirely reciprocal and which, nonetheless provides an infinite-depth notch. The equalizer is fabricated with an ordinary band pass filter, resistors, potentiometer and operational amplifiers.
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