[KongchangAI]
Unverified75% confidenceFactTime unknown

哭声分析仪的识别准确率宣称多在70%-90%之间,但实际使用中真实准确率随月龄下降明显:0-3月龄新生儿哭声模式规律,识别率较高;3月龄后哭声与情绪、环境交织,准确率通常跌至50%以下,因此该类产品主要价值集中在新生儿阶段

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75%
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Long-term
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