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  噪音,是个人都不会喜欢,尤其对于司机来说,胎噪、风噪以及发动机噪音都会破坏美好的驾驶气氛。
  不过不用担心,很快你的汽车也会拥有主动降噪功能了。
  外媒报道称,福特和丰田,通用等汽车制造商一样,开始在旗下汽车产品当中引入噪声消除技术,这种主动式降噪系统有监控噪音,利用声波来阻止噪音。
  汽车主动降噪技术的灵感来自于降噪耳机,最大限度地减少背景噪声。像降噪耳机一样,主动噪声控制系统为驾驶者和乘客提供了更加安静,舒适的体验。
  汽车降噪系统使用放置在车厢内部的三个麦克风测背景噪声。此外,还对驾驶员和车辆的行为进行监控。这些监测结果被用来创建抵消背景噪声的声波,并且不会影响车内音乐播放或者谈话声音。
  目前,福特已经在新款蒙迪欧Vignale汽车当中内建这种主动噪声控制系统,蒙迪欧Vignale还采用其他一些技术来降噪,如使用泡沫而不是玻璃纤维来隔离发动机舱,减小最多两个分贝的噪音,还使用声学玻璃,用来减小窗口周围柱子由于气流产生的噪音,还在车厢内使用吸音材料。

The noise is not personally liked by anyone, especially for the driver. The fetal noise, wind noise and engine noise will destroy the good driving atmosphere.
But don't worry, your car will soon have active noise reduction.
Foreign media reported that Ford, like Toyota, General Motors and other automakers, began to introduce noise cancellation technology into its automotive products. This active noise reduction system monitors noise and uses sound waves to stop noise.
The active noise reduction technology of the car is inspired by noise reduction headphones to minimize background noise. Like noise-canceling headphones, active noise control systems provide drivers and passengers with a quieter, more comfortable experience.
The car noise reduction system uses three microphones placed inside the cabin to measure the background noise. In addition, the behavior of the driver and the vehicle is monitored. These monitoring results are used to create sound waves that counteract background noise and do not affect the in-car music playback or speech sounds.
At present, Ford has built an active noise control system in the new Mondeo Vignale. Mondeo Vignale also uses other technologies to reduce noise, such as using foam instead of fiberglass to isolate the engine compartment, reducing noise by up to two decibels. Acoustic glass is also used to reduce the noise generated by the columns around the window due to airflow, and sound-absorbing materials are also used in the cabin.
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