| 发明名称 |
Frequency shifter for use in adaptive feedback cancellers for hearing aids |
| 摘要 |
A decorrelation method for improving feedback cancellation utilizes a small frequency shifting ratio, on the order of 0.3 percent. Frequency shifting is applied only to the high frequency portion of the signal, which is shifted alternately upward and downward.
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| 申请公布号 |
US2005271222(A1) |
申请公布日期 |
2005.12.08 |
| 申请号 |
US20040912690 |
申请日期 |
2004.08.04 |
| 申请人 |
FREED DANIEL J;SOLI SIGFRID D |
发明人 |
FREED DANIEL J.;SOLI SIGFRID D. |
| 分类号 |
H04B15/00;H04R3/00;H04R25/00;(IPC1-7):H04B15/00 |
主分类号 |
H04B15/00 |
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