发明名称 |
Hearing aid circuit reducing feedback |
摘要 |
A hearing aid circuit includes a correlation detector that detects correlation at a feedforward path input and that provides a correlation output to a phase shifter. The phase shifter introduces a phase shift along a feedforward path. A phase measurement circuit measures a phase shift at a feedforward path input, and provides a phase measurement output to an internal feedback processor. The internal feedback processor adjusts internal feedback as a function of the phase measurement to suppress coupling of external audio feedback along the feedforward path.
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申请公布号 |
US2005047620(A1) |
申请公布日期 |
2005.03.03 |
申请号 |
US20040931683 |
申请日期 |
2004.09.01 |
申请人 |
RESISTANCE TECHNOLOGY, INC. |
发明人 |
FRETZ ROBERT J. |
分类号 |
H04R25/00;(IPC1-7):H04R25/00 |
主分类号 |
H04R25/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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