Unverified82% confidenceDecision RuleTime unknown
循环白噪音必须确认为无缝loop，劣质机型循环点有明显停顿或音量跳变，反而干扰睡眠；试听时闭眼听30秒能听出接缝的直接排除
1
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82%
Confidence
Long-term
Relevance
-
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Unverified白噪音/自然音为主的需求应确认音频为无缝循环（seamless loop）无接缝，劣质APP的循环音频每隔几分钟有明显断点，反而会打断入睡进程90% 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89% similarUnverified白噪音/声音掩蔽类助眠仪应支持定时关闭（如30/60分钟）和非循环无缝音轨，音轨过短会出现衔接断点反而惊醒；纯音量掩蔽建议控制在50dB以下避免听力损害89% similarUnverified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89% similarUnverified白噪音助眠设备优先选择采用真实录音采样（非算法合成循环）的机型，合成音在夜间安静环境下每20-40秒会暴露明显的循环拼接点，反而打断入睡；标注'无缝循环'或循环时长≥30分钟的产品体验更好88% similar
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