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随着我国大步跨入汽车时代,人们不再简简单单地把汽车作为一个交通工具来看待,舒适、个性、娱乐、安全等都成为了人们关注的焦点。而车内噪声作为影响驾乘人员乘坐舒适性、听觉损害程度、语言清晰度以及对车外各种声响讯号识别能力的重要因素,也逐渐受到人们的关注。有关试验表明,车内噪声很容易使驾驶员和乘客产生紧张、心情烦躁、疲劳、注意力不集中等反应,降低了汽车的乘坐舒适性,对人体健康产生慢性危害,并且给汽车的行驶带来安全隐患。其实现在对汽车噪声的研究已进入噪声品质时代,不仅要降低噪声,更要使“噪声”悦耳,以满足人们对车内环境声音的主观感受。那是否能主动地控制车内噪声,改善声音的品质呢?还真就有这么一种系统叫Active Noise Control(ANC),又称主动噪声控制系统。
As China strides into the automobile era, people no longer simply consider the car as a means of transport. Comfort, personalities, entertainment, safety and so on have all become the focus of attention. Noise inside the car as a factor that affects occupants riding comfort, hearing impairment, language clarity and the ability to recognize a variety of sound signals outside the vehicle an important factor, but also gradually by the people’s attention. The tests show that the noise inside the car is easy to make drivers and passengers nervous, irritable mood, fatigue, lack of concentration and other reactions, reducing the car’s ride comfort, chronic harm to human health, and to the car with the belt To security risks. In fact, the research on car noise has entered the era of noise quality, not only to reduce noise, but also to make “noise ” melodious to meet people’s subjective feelings of the car’s internal environment. Is it possible to take the initiative to control the noise inside the car to improve the quality of the sound? There really is such a system called Active Noise Control (ANC), also known as active noise control system.