| 发明名称 |
Motor Vehicle Active Noise Reduction |
| 摘要 |
A device and method that is configured to operate an active noise reduction system for a motor vehicle, where there is an active noise reduction system input signal that is related to the vehicle engine operation, and where the active noise reduction system comprises one or more adaptive filters that output noise reduction signals that are used to drive one or more transducers with their outputs directed to reduce engine noise. The engine harmonic noise level is estimated from the input signal that is related to the vehicle engine operation, and the output of the transducers is limited based on the estimate of the engine harmonic noise level. |
| 申请公布号 |
US2014277930(A1) |
申请公布日期 |
2014.09.18 |
| 申请号 |
US201313796644 |
申请日期 |
2013.03.12 |
| 申请人 |
Pan Davis Y.;Ganeshkumar Alaganandan |
发明人 |
Pan Davis Y.;Ganeshkumar Alaganandan |
| 分类号 |
H04R1/00 |
主分类号 |
H04R1/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A method for operating an active noise reduction system for a motor vehicle, where there is an active noise reduction system input signal that is related to the vehicle engine operation, and where the active noise reduction system comprises one or more adaptive filters that output noise reduction signals that are used to drive one or more transducers with their outputs directed to reduce engine noise, the method comprising:
estimating the engine harmonic noise level from the input signal that is related to the vehicle engine operation; and limiting the output of the transducers based on the estimate of the engine harmonic noise level. |
| 地址 |
Arlington MA US |
