Method and apparatus for noise suppression based on inter-subband correlation
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United States of America Patent
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Aug 14, 2018
Grant Date -
Jul 28, 2016
app pub date -
Jan 22, 2016
filing date -
Jan 22, 2015
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Abstract
A method performs noise suppression in hearing aids. A step of the method involves a first audio signal being split into a plurality of essentially disjunct frequency bands. A further step of the method involves a reference band being selected from the plurality of frequency bands, which reference band has an establishable first component of a speech signal. Another step involves a correlation between the reference band and a first frequency band being ascertained. A further step involves a value that indicates a second component of a speech signal in the first frequency band being ascertained on the basis of the correlation. Another step of the method involves a noise suppression being set in the first frequency band on the basis of the ascertained value.
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