[KongchangAI]
Unverified83% confidenceDecision RuleTime unknown

音量上限决定屏蔽能力:需掩盖走廊人声/隔壁电视需峰值≥70dB,仅助眠背景音50-60dB即可;音量下限同样重要,最低档过响会干扰入睡

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