AMPLIFICATION SETTING IN A HEARING AID DEVICE
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United States of America Patent
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Issued Date -
Apr 4, 2013
app pub date -
Oct 1, 2012
filing date -
Sep 29, 2011
priority date (Note) -
Abandoned
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Abstract
A hearing aid retains speech comprehension even during implementation of a frequency transposition. To this end, fricatives existing in an input signal prior to the frequency transposition are identified in particular with the aid of the energy distribution between the individual frequency bands. Following the frequency transposition, amplifier units are controlled in the transposed frequency bands such that a specific energy distribution existing in the non-transposed frequency bands between at least one first upper frequency band and a first lower frequency band is mapped onto a corresponding energy distribution between a second upper frequency band and a second lower frequency band of the frequency-transposed signal. This results in the fricatives obtained in the original input signal also being correctly identified following a frequency transposition.
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