Tone control system for sampled data signals

Details Tone control system for sampled data signals Tone control system for sampled data signals

1987-07-13

1988-08-16

Isen, Forester W.

Electrical audio signal processing systems and devices

Including frequency control

364724, H03G 500

Patent

active

047649674

ABSTRACT:
A sampled data tone control system, applicable for providing audio bass cut and boost control, includes a single variable multiplying circuit for determining the system variable response characteristics. Input samples are coupled to the multiplier which has its output connected to an integrator. The integrated samples are scaled by a constant and combined with the input samples to provide tone controlled signal.

REFERENCES:
patent: 4055818 (1977-10-01), Gay
patent: 4317092 (1982-02-01), Potter
patent: 4562591 (1985-12-01), Stikvoort
patent: 4580237 (1986-04-01), Eggermont
patent: 4629995 (1986-12-01), Katakura
patent: 4694414 (1987-09-01), Christopher
Y. Hirata, "Simple Digital Filter for Sound Reproduction", Wireless World, Sep. 1982, pp. 77-79.
J. L. Hood, "Modular Preamplifier", Wireless World, Nov. 1982, pp. 60-66.
D. Self, "Precision Preamplifier", Wireless World, Oct. 1983, pp. 31-39.

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