| 发明名称 |
ENTRAINMENT AVOIDANCE WITH AN AUTO REGRESSIVE FILTER |
| 摘要 |
A method of signal processing an input signal in a hearing aid to avoid entrainment, the hearing aid including a receiver and a microphone, the method comprising using an adaptive filter to measure an acoustic feedback path from the receiver to the microphone and adjusting an adaptation rate of the adaptive filter using an output from a filter having an autoregressive portion, the output derived at least in part from a ratio of a predictive estimate of the input signal to a difference of the predictive estimate and the input signal. |
| 申请公布号 |
US2014348361(A1) |
申请公布日期 |
2014.11.27 |
| 申请号 |
US201414223669 |
申请日期 |
2014.03.24 |
| 申请人 |
Starkey Laboratories, Inc. |
发明人 |
Theverapperuma Lalin;Natarajan Harikrishna P.;Salvetti Arthur;Kindred Jon S. |
| 分类号 |
H04R25/00 |
主分类号 |
H04R25/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A method of signal processing an input signal in a hearing aid to avoid entrainment, the hearing aid including a receiver and a microphone, the method comprising:
using an adaptive filter to measure an acoustic feedback path from the receiver to the microphone; and adjusting an adaptation rate of the adaptive filter using an output from a filter having an autoregressive portion, the output derived at least in part from a ratio of a predictive estimate of the input signal to a difference of the predictive estimate and the input signal. |
| 地址 |
Eden Prairie MN US |
