Unverified88% confidenceDecision RuleTime unknown
出行降噪首选主动降噪深度≥25dB且覆盖100-1000Hz低频段的机型，飞机引擎噪声集中在80-200Hz，只有低频降噪深的耳机才能有效消除轰鸣感
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88%
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Long-term
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Unverified主动降噪深度看低频衰减量，飞机引擎噪音集中在100-300Hz，选择这一频段降噪≥25dB的头戴式才能显著削弱轰鸣感，入耳式一般难达此深度95% similarUnverified长途飞机/高铁出行选主动降噪深度≥30dB且低频降噪(100-500Hz)优先的机型，风噪与引擎噪音集中在低频段94% similarUnverified主动降噪深度≥40dB且覆盖100-1000Hz中低频段，才能有效压制飞机引擎、地铁轰鸣等持续性低频噪声；单纯标称降噪等级不看频段覆盖会踩坑92% similarUnverified配套降噪耳机选主动降噪深度≥25dB的机型才能有效压制飞机引擎低频噪音（100-300Hz），普通被动隔音耳塞在飞机上几乎无效92% similarUnverified主动降噪深度看低频衰减，顶级头戴式可达40-45dB，能有效压制飞机引擎、地铁轰鸣等100-300Hz低频噪音，但对人声（500Hz以上）几乎无效92% similar
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