[KongchangAI]
Unverified80% confidenceDecision RuleTime unknown

内置白噪音/自然音(雨声、海浪、风扇声)的机型比纯音乐机型更适合助眠,因为无旋律起伏的稳态声音(40-60dB粉红噪音)掩蔽环境突发噪音效果更好,助眠音效数量应≥20种以避免长期单调化

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Long-term
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