Unverified85% confidenceDecision RuleTime unknown
隔飞机/高铁引擎噪声（低频）优先选SNR≥30dB的慢回弹海绵塞，海绵对低频衰减优于硅胶；隔人声/键盘声（中高频）硅胶塞即可满足
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85%
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Unverified飞机/高铁降噪优先看低频衰减能力，泡棉耳塞对低频（引擎轰鸣、发动机噪音）效果优于硅胶，硅胶更擅长中高频87% similarUnverified硅胶材质对低频噪音（如打鼾、引擎低鸣）的衰减效果弱于泡棉，若主要需求是隔绝低频噪音应优先考虑高 NRR 泡棉耳塞。84% similarUnverified飞机/高铁降噪推荐带气压平衡阀（滤波式）的硅胶耳塞，如Loop、Etymotic ER20，它们只衰减15-20dB高频噪音同时保留人声清晰度，比全封闭海绵塞更适合需要听广播的旅途81% similarUnverified低频噪音（马路车流、鼾声）比高频更难隔绝，慢回弹PU海绵耳塞对低频衰减优于硅胶，硅胶三节翼款对高频（说话声、键盘声）更有效81% similarUnverified泡棉塞对低频噪音（鼾声/发动机轰鸣/空调低鸣）衰减最强，硅胶塞对高频（人声/键盘声）更有效但低频漏音明显81% similar
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