Audio level compression circuit

Details Audio level compression circuit Audio level compression circuit

1998-09-17

2000-06-06

Pascal, Robert

Amplifiers

With semiconductor amplifying device

Including differential amplifier

330282, 381120, H03F 345

Patent

active

060723653

ABSTRACT:
An audio level compression circuit including a feedback differential amplifier to amplify an input signal and to feed back output signals through a feedback resistor, first and second comparators to compare the level of the upper and lower ends of the output signal from said feedback differential amplifier with first and second reference values respectively, and connected to provide the comparator outputs to the feedback resistor.

REFERENCES:
patent: 4329657 (1982-05-01), Kamiya
patent: 5014016 (1991-05-01), Anderson
patent: 5151942 (1992-09-01), Sasaki
patent: 5387875 (1995-02-01), Tateno
patent: 5596299 (1997-01-01), Persico et al.
patent: 5635874 (1997-06-01), Perrot
patent: 5805022 (1998-09-01), Bruccoleri et al.

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