Method and apparatus for reducing or removing click noise

Method and apparatus for reducing or removing click noise

The invention relates to an apparatus and a method for detecting and correcting input signals regarding click noise, using a first detector unit (2,21) unit and a second correction unit (3,22), the detector unit (2,21) differentiates the input signal (4,23) and extracts the noise signal (6) and comp...

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Hauptverfasser: SIEMONS JASPER, GROOT HULZE GERTJAN
Format: Patent
Sprache:chi ; eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
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creator SIEMONS JASPER
GROOT HULZE GERTJAN
description The invention relates to an apparatus and a method for detecting and correcting input signals regarding click noise, using a first detector unit (2,21) unit and a second correction unit (3,22), the detector unit (2,21) differentiates the input signal (4,23) and extracts the noise signal (6) and compares (8,33) the sum of two noise samples with a threshold value (35/T 2 ) and in case this sum exceeds the threshold value (35/T 2 ) a click is observed, while the correction unit (3,22) corrects (9) the input signal (4,23) in the phase domain and differentiates (11) it prior to outputting the corrected signal.
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ELECTRICITY
TRANSMISSION
title Method and apparatus for reducing or removing click noise
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