Unverified82% confidenceDecision RuleTime unknown
定时关机应支持渐弱淡出(fade-out)而非硬性突然静音，突然断声会造成听觉落差惊醒用户；优选带15/30/60/90分钟多档位或全夜连续播放的机型
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82%
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Long-term
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Unverified助眠音频设备定时关机应支持渐弱（fade-out）而非直接切断，突然静音会造成环境声音反差惊醒，建议选带30/60/90分钟且末段音量渐弱功能的机型91% similarUnverified定时关机若只有固定档位（如30/60/90分钟）不如带渐弱淡出（fade-out）功能的机型，声音突然中断反而会惊醒浅眠者，淡出关机体验更好89% similarUnverified定时关机功能应支持渐弱淡出（fade-out）而非硬性切断——声音突然中止可能惊醒浅眠者，渐弱关闭在30秒到2分钟内逐步降低音量更平滑89% similarUnverified定时关机建议选支持15/30/60/90分钟多档且带渐弱淡出（fade-out）的机型，突然断音容易惊醒浅眠者，渐弱设计能平滑过渡到无声89% similarUnverified定时关机功能应确认是否带渐弱淡出（fade out），突然断音容易惊醒浅眠者；优质机型提供15/30/60/90分钟或持续整晚多档选择88% similar
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