[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

白噪声类型应含有实测频谱在100-500Hz集中的粉红噪声(pink noise)而非纯白噪声,粉红噪声更接近子宫内环境,对新生儿入睡效果更好;分贝需可调至50dB以下,长期高于65dB有听力损伤风险

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