Noise processing device and method thereof

Details Noise processing device and method thereof Noise processing device and method thereof

2006-05-19

2011-11-15

Faulk, Devona (Department: 2614)

Electrical audio signal processing systems and devices

Noise or distortion suppression

Soft switching, muting, or noise gating

C381S094100

Reexamination Certificate

active

08059831

ABSTRACT:
A noise processing device and its method are provided for a video/audio system having a high definition multimedia interface (HDMI). The noise processing device includes a detecting unit, a signal generating unit, and a decision unit. The noise processing method includes using the detecting unit to monitor a variation related to an audio signal and generate a detecting signal accordingly; using the signal generating unit to produce an adjustment signal according to the detecting signal; and using the decision unit to produce an output audio signal according to the audio signal and the adjustment signal. Another embodiment of the noise processing device includes a compensation tracking unit having a control unit. The compensation tracking unit produces an output audio signal according to a difference between the output audio signal itself and the audio signal and a gain of the control unit.

REFERENCES:
patent: 6088668 (2000-07-01), Zack
patent: 7024004 (2006-04-01), Nishiyama
patent: 7130433 (2006-10-01), Suzuki

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