Bass compensation device and a sound system using the device

Details Bass compensation device and a sound system using the device Bass compensation device and a sound system using the device

2006-07-18

2006-07-18

Chin, Vivian (Department: 2615)

Electrical audio signal processing systems and devices

Including frequency control

C381S101000, C381S103000, C381S061000

Reexamination Certificate

active

07079660

ABSTRACT:
The bass compensation device of the present invention includes a high frequency removing circuit for removing a high frequency component of an input sound signal; an absolute value circuit for full-wave rectifying an output signal of the high frequency removing circuit; a band limit circuit for selectively passing only a predetermined frequency range component from the output signal of the absolute value circuit; and an amplifier for amplifying the output signal of the band limit circuit, and bass compensation is performed by the output signal of the amplifier. This structure can realize a bass compensation device excellent in distortion-factor property and transient property.

REFERENCES:
patent: 4739514 (1988-04-01), Short et al.
patent: 5668885 (1997-09-01), Oda
patent: 5923766 (1999-07-01), Oda
patent: 6424719 (2002-07-01), Elko et al.

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