[KongchangAI]
Unverified90% confidenceCautionTime unknown

降噪主要作用于300Hz以下的低频稳态噪音,对键盘声、人说话等中高频噪音降噪耳机基本无能为力,想隔绝办公室人声应选被动隔音好的入耳式或另配耳塞

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