Circuit arrangement for influencing the frequency response of a

Details Circuit arrangement for influencing the frequency response of a Circuit arrangement for influencing the frequency response of a

1992-03-16

1993-10-26

Kuntz, Curtis

Pulse or digital communications

Spread spectrum

Direct sequence

375 14, 36472419, H04B 110

Patent

active

052572927

ABSTRACT:
In a digital circuit arrangement for influencing the frequency response of a digital audio signal, dependent on the frequency and/or amplitude, the input signal of the circuit arrangement is applied to a signal filter (3) having variable filter coefficients, while its output signal represents the frequency response-influenced output signal of the circuit arrangement after addition to the input signal of the circuit arrangement, and the coefficients for the signal filter are selected in dependence upon the output signal of a control branch which receives the input signal of the circuit arrangement and includes a control filter (7), a rectifier (8), a pulse shaper stage (9), a logarithmation circuit (12) and a circuit (6) for determining the coefficients.

REFERENCES:
patent: 4910799 (1990-03-01), Takayama
patent: 4953186 (1990-08-01), Levy et al.
patent: 5150317 (1992-09-01), Countryman

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