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Method of frequency filtering applied to noise suppression...

Electrical audio signal processing systems and devices – Noise or distortion suppression – Spectral adjustment
Reexamination Certificate

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Narrow band controller

Electrical audio signal processing systems and devices – Noise or distortion suppression – Spectral adjustment
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Noise canceler capable of switching noise canceling characterist

Electrical audio signal processing systems and devices – Noise or distortion suppression – Spectral adjustment
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Noise reduction apparatus and method

Electrical audio signal processing systems and devices – Noise or distortion suppression – Spectral adjustment
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Noise reduction filter

Electrical audio signal processing systems and devices – Noise or distortion suppression – Spectral adjustment
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Noise reduction system

Electrical audio signal processing systems and devices – Noise or distortion suppression – Spectral adjustment
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Noise reduction system for an audio system

Electrical audio signal processing systems and devices – Noise or distortion suppression – Spectral adjustment
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Noise suppressing apparatus

Electrical audio signal processing systems and devices – Noise or distortion suppression – Spectral adjustment
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Noise suppressing transmitter and noise suppressing method

Electrical audio signal processing systems and devices – Noise or distortion suppression – Spectral adjustment
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Noise suppression apparatus and method

Electrical audio signal processing systems and devices – Noise or distortion suppression – Spectral adjustment
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Noise suppression system and method

Electrical audio signal processing systems and devices – Noise or distortion suppression – Spectral adjustment
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Noise suppressor

Electrical audio signal processing systems and devices – Noise or distortion suppression – Spectral adjustment
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Robust adaptive beamforming with enhanced noise suppression

Electrical audio signal processing systems and devices – Noise or distortion suppression – Spectral adjustment
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Sound processing method and apparatus

Electrical audio signal processing systems and devices – Noise or distortion suppression – Spectral adjustment
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Spectral subtraction noise suppression method

Electrical audio signal processing systems and devices – Noise or distortion suppression – Spectral adjustment
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Stationary spectral power dependent audio enhancement system

Electrical audio signal processing systems and devices – Noise or distortion suppression – Spectral adjustment
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System and method for suppressing noise in digitally represented

Electrical audio signal processing systems and devices – Noise or distortion suppression – Spectral adjustment
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Systems and methods for reducing audio noise

Electrical audio signal processing systems and devices – Noise or distortion suppression – Spectral adjustment
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Use of noise segmentation for noise cancellation

Electrical audio signal processing systems and devices – Noise or distortion suppression – Spectral adjustment
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Wave-filtering device with an adjustable frequency bandwidth

Electrical audio signal processing systems and devices – Noise or distortion suppression – Spectral adjustment
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