Hearing aid with adaptive matching of input transducers
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United States of America Patent
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-
May 25, 2004
Grant Date -
Apr 11, 2002
app pub date -
Jun 25, 2001
filing date -
Oct 4, 2000
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A hearing aid with a directional characteristic, including at least two spaced apart input transducers and wherein transducer signal type, such as transducer noise, wind noise, sound emitted from a sound source located in the surroundings of the hearing aid, distorted signals, such as clipped signals, slew rate limited signals, etc, is determined, and wherein signal processing in the hearing aid, such as transducer matching, filtering, signal combination, etc, is adapted according to the determined signal type. For example, the directional characteristic may be switched to an omnidirectional characteristic when at least one of the input transducer signals is dominated by noise or distortion, and/or adaptive matching of input transducers may be put on hold while at least one of the input transducer signals is dominated by noise or distortion.
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