Filter for interfering signals in hearing devices
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United States of America Patent
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May 5, 2009
Grant Date -
May 18, 2006
app pub date -
Nov 12, 2004
filing date -
Nov 12, 2004
priority date (Note) -
In Force
status (Latency Note)
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Abstract
In a process for filtering interfering signals, occurring with largely known constant repetition frequency at the use of hearing devices in or at the hearing device the repetition frequency of the interference signal shall be detected and at recognition of the known constant frequency the signal shall be suppressed or damped respectively at the expected next point of time at least partially. The detection can happen for instance via the duty cycle and/or the basic frequency of the interference signal.
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