Digital parametric equalizer with symmetrical cut and boost spec

Details Digital parametric equalizer with symmetrical cut and boost spec Digital parametric equalizer with symmetrical cut and boost spec

1998-11-18

2000-12-19

Mai, Tan V.

Electrical computers: arithmetic processing and calculating

Electrical digital calculating computer

Particular function performed

708300, G06F 1710

Patent

active

061637890

ABSTRACT:
An improved digital parametric equalizer realized by software stored in a computer readable memory. The computer readable memory stores a first and a second set of instructions. The first set of instructions determines a value of a tuning coefficient based upon whether a parametric equalizer is to cut or to boost an input signal. The second set of instructions implements a filter to realize the parametric equalizer. The second set of instructions uses the value of the tuning coefficient and the input signal to produce an output signal having substantially symmetrical cut and boost spectrums.

REFERENCES:
patent: 5737254 (1998-04-01), Lane et al.
patent: 6003051 (1999-12-01), Okazaki
Massie, An Engineering Study of the Four-Multiply Normalized Ladder Filter, Journal of Audio Engineering Society, vol.7/8, Jul./Aug. 1993, pp. 564-582 .

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