Microphone placement in hearing assistance devices to provide controlled directivity
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United States of America Patent
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-
Oct 5, 2010
Grant Date -
Dec 31, 2009
app pub date -
May 28, 2009
filing date -
Feb 25, 2005
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present disclosure includes various methods and apparatus for controlling directionality of a hearing assistance device including a pair of directional microphones. In various examples, the hearing assistance device includes a pair of directional microphones and an omnidirectional microphone. In various examples, the hearing assistance device includes a directional microphone and an omnidirectional microphone. In examples with multiple directional microphones, various angles can be employed. For example, in some applications the first directional axis can be about ninety degrees offset of the second directional axis. The microphones are aligned with an intended direction of reception in some embodiments. In some examples the microphones are not aligned with an intended direction of reception. Other variations are possible without departing from the scope of the present subject matter.
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Family
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