Noise suppressing device

Details Noise suppressing device Noise suppressing device

1995-08-31

1998-09-22

Kuntz, Curtis

Electrical audio signal processing systems and devices

Binaural and stereophonic

Broadcast or multiplex stereo

455296, 455222, 381 94, H04H 500, H04B 110

Patent

active

058126732

ABSTRACT:
It is a primary object of the invention to provide a noise suppressing device in which the function to suppress or remove the noise is more improved than the conventional device. The invention comprises a tuner section which detects the radio wave and converts it to the electric signal, an antenna connected to the tuner section, a field/disturbance information-detecting section for detecting the carrier level and the like of the input signal based on the signal from inside of the tuner section, a modulation information-detecting section for detecting the modulation degree and the like based on the signal from inside of the tuner section, a noise suppression control section which suppresses or removes the noise from the noise-containing signal input from the tuner section, a noise cancel section, and a noise data-generating section; and the noise-removed signal is output to an amplifier and amplified and sent to a speaker.

REFERENCES:
patent: 5067157 (1991-11-01), Ishida et al.
patent: 5201062 (1993-04-01), Nakamura et al.
patent: 5390344 (1995-02-01), Nagata
patent: 5410751 (1995-04-01), Yokoyama
patent: 5428832 (1995-06-01), Nohara et al.
patent: 5430894 (1995-07-01), Nohara et al.
patent: 5432854 (1995-07-01), Honjo et al.

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