Unverified82% confidenceDecision RuleTime unknown
数字白噪音机务必确认音源为无缝循环（seamless loop），劣质机型循环周期短（＜30秒）会出现明显重复接缝，反而干扰入睡
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82%
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Long-term
Relevance
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Unverified电子采样白噪音机需确认音频为无缝循环（seamless loop），采样时长＜30秒的低端机型会出现明显的重复接缝，反而干扰睡眠95% similarUnverified电子款白噪音机需确认音频为无缝循环（seamless loop）且单段样本≥30分钟，短于10秒的循环样本在安静夜晚会形成可辨识的重复节奏，反而干扰入睡93% similarUnverified真正的白噪音机应采用无缝循环（seamless loop）音频，劣质机型每20-30秒会有明显的循环断点，反而影响入睡，购买前应确认是否宣传无缝循环技术93% similarUnverified真正的白噪音机应使用循环无缝拼接的音频而非短音频loop，选购时确认标注'无缝循环(seamless loop)'或音频时长≥30分钟，短loop会因周期性重复反而干扰入睡93% similarUnverified真正的白噪音机应采用无缝循环（seamless loop）音频，播放超过30分钟无可察觉的接缝断点，劣质机型循环点明显会反而干扰入睡92% similar
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