[KongchangAI]
Unverified82% confidenceDecision RuleTime unknown

疗愈助眠场景优先选头戴式或睡眠专用软质入耳耳机,主动降噪深度需≥25dB才能有效屏蔽环境低频噪音(空调、交通声);但降噪耳机的白噪音掩蔽效果不等于降噪深度,需两者结合

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Long-term
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