Unverified85% confidenceDecision RuleTime unknown
主动降噪深度达到40dB以上才能有效压制地铁/飞机等低频轰鸣,25-30dB仅适合办公室环境降噪
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85%
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Unverified主动降噪深度≥40dB才能有效压制地铁/飞机的低频轰鸣,25-30dB级别只适合办公室/咖啡厅环境95% similarUnverified主动降噪深度达到40dB以上才能有效压制飞机引擎的低频轰鸣,30-35dB仅适合地铁通勤和办公室95% similarUnverified主动降噪深度≥35dB(宣称值)+ 采用自适应降噪算法,才能有效应对地铁、飞机等低频轰鸣环境;仅25-30dB的入门降噪只能削弱办公室风扇声92% similarUnverified主动降噪深度看低频衰减量,标称降噪深度≥40dB才能有效压制飞机/地铁引擎的低频轰鸣,日常办公室降噪25-30dB即可,无需为深度降噪付溢价92% similarUnverified主动降噪深度看dB衰减值:飞机/地铁通勤需≥40dB降噪深度才能有效压制中低频轰鸣,办公室场景25-30dB足够(主要过滤人声与空调噪音)92% similar
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