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Fav十万个为什么
为什么降噪耳机能消除环境声？
降噪耳机能消除环境声主要是由于主动降噪技术、被动降噪设计以及高灵敏度麦克风共同作用的结果。
1、主动降噪技术。降噪耳机通过内置麦克风采集环境噪音，芯片实时生成与噪音相位相反的声波，两者叠加相互抵消，从而降低噪音。
2、被动降噪设计。耳机采用物理隔音设计，如耳罩密封性和吸声材料，隔绝部分外界噪音，尤其是高频声音，增强降噪效果。
3、高灵敏度麦克风。降噪耳机配备高灵敏度麦克风，能够精准捕捉环境噪音，为主动降噪提供准确数据支持，提升降噪效率。
总结：降噪耳机能消除环境声，是由于主动降噪技术、被动降噪设计以及高灵敏度麦克风共同作用的结果。
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