Unverified88% confidenceFactTime unknown
泡棉材质对中高频噪音(如鼾声、人声)隔音效果明显,对低频噪音(如交通、空调嗡嗡声)的衰减效果相对有限。
1
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88%
Confidence
Long-term
Relevance
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Unverified对低频噪音(如机器轰鸣、交通噪音、打鼾声)屏蔽效果显著,但对人声等中高频噪音的隔绝表现相对有限92% similarUnverified泡棉对高频噪音(人声、键盘、汽笛)衰减效果好,但对低频(空调轰鸣、鼾声、汽车引擎)隔音有限,期望隔绝低频不应只依赖泡棉耳塞92% similarUnverified降噪以中高频为主(机械噪声、电锯声、枪声等效果明显),对持续低频嗡嗡声(如空调外机、低频振动)的衰减相对有限,这是被动耳罩的共性局限91% similarUnverified对低频噪音(如打鼾、空调外机)的隔绝效果明显,但对突发高频尖锐声(如闹钟、人声呼喊)仍有一定穿透,不能完全静音90% similarUnverified被动隔音对中低频噪音(如打鼾、交通噪音)有一定效果,但对突发高频噪音的阻隔能力有限,不能替代专业降噪耳塞的隔音水平90% similar
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