Noise level updating system

Details Noise level updating system Noise level updating system

2006-03-07

2006-03-07

Lee, Ping (Department: 2644)

Electrical audio signal processing systems and devices

Noise or distortion suppression

C381S104000

Reexamination Certificate

active

07010130

ABSTRACT:
A noise level of an input signal is detected, and a detected noise level is held in a noise level holding section. The held noise level is updated when a subsequent noise level largely changes.

REFERENCES:
patent: 5293588 (1994-03-01), Satoh et al.
patent: 5757937 (1998-05-01), Itoh et al.

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