| 摘要 |
The invention generally relates to a method for controlling noise level made by a device in an automobile. The method includes: detecting (210, 310) an ambient noise level in the automotive; and controlling (230,240;320,330,340) the working status of the device in an automotive such that the noise level generated by the device is lower than the ambient noise level by a predefined value. The invention also generally relates to a system for controlling for controlling noise level made by a device in an automobile. The system includes a detector (120) for detecting an ambient noise level in the automotive; and a controller (130) for controlling the working status of the device such that the noise level generated by the air purifier is lower than the ambient noise level by a predefined value. Thus, some annoying noise can be effectively masked. |
