Sound processing device

Details Sound processing device Sound processing device

1991-12-30

1996-08-27

Isen, Forester W.

Electrical audio signal processing systems and devices

Including frequency control

H03G 500

Patent

active

055509258

ABSTRACT:
A sound processing device for processing sound is arranged to control an attenuation characteristic for attenuating the low-frequency signal of an input audio signal according to the level thereof, whereby it is possible to suppress a noise component contained in sound without substantial impairment in auditory sound quality.

REFERENCES:
patent: 4363006 (1982-12-01), Ishigaki et al.
patent: 4647876 (1987-03-01), Waller, Jr.
patent: 4750207 (1988-06-01), Gebert et al.
patent: 4866774 (1989-09-01), Klayman
patent: 5018205 (1991-05-01), Takagi et al.
patent: 5168526 (1992-12-01), Orban
patent: 5172358 (1992-12-01), Kimura

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