Frequency translation by high-frequency spectral envelope warping in hearing assistance devices
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United States of America Patent
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Jun 16, 2015
Grant Date -
Jun 19, 2014
app pub date -
Sep 3, 2013
filing date -
May 6, 2009
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Abstract
Disclosed herein, among other things, is a system for frequency translation by high-frequency spectral envelope warping in hearing assistance devices. The present subject matter relates to improved speech intelligibility in a hearing assistance device using frequency translation by high-frequency spectral envelope warping. The system described herein implements an algorithm for performing frequency translation in an audio signal processing device for the purpose of improving perceived sound quality and speech intelligibility in an audio signal when presented using a system having reduced bandwidth relative to the original signal, or when presented to a hearing-impaired listener sensitive to only a reduced range of acoustic frequencies.
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