Device for correcting frequency characteristic of sound field

Details Device for correcting frequency characteristic of sound field Device for correcting frequency characteristic of sound field

1995-04-14

1996-07-30

Ramirez, Ellis B.

Boots, shoes, and leggings

381103, 364572, G11B 535

Patent

active

055418660

ABSTRACT:
A transmission frequency characteristic compensating apparatus capable of obtaining a combination of parameter values allowing a synthetic characteristic not to exceed a predetermined level. The transmission frequency characteristic compensating apparatus has a plurality of filters whose filter coefficients and characteristic are determined in accordance with parameter values corresponding to the center frequency, peak factor, and gain. The apparatus is provided with an input unit 1 for setting parameter values of each filter, an optimum parameter value calculating unit 2 for calculating optimum parameters of a designated filter so as to set the synthetic characteristic of a filter group obtained from the parameter values of the designated filter, within the range of the predetermined level, and a control unit 5 for displaying the frequency characteristic of the designated filter and filter group in accordance with the calculated optimum parameter values.

REFERENCES:
patent: 4559569 (1985-12-01), Otsuki et al.
patent: 4739513 (1988-04-01), Kunugi et al.

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