Unverified80% confidenceTradeoffTime unknown
亮度越高散热风扇转速越快，噪音越大；追求高亮的LED/激光机型运行噪音常达30-35dB，卧室安静观影建议选实测噪音<28dB的机型
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Unverified亮度越高散热风扇噪音通常越大，追求安静卧室观影选运行噪音≤30dB的机型，激光光源比LED在高亮度下噪音控制更好94% similarUnverified亮度越高散热风扇转速越快、噪音越大，卧室夜间使用建议选择运行噪音≤30dB的机型；LED光源比传统灯泡光源噪音更低91% similarUnverified亮度越高散热风扇转速越快噪音越大，高亮机型(2000+流明)运行噪音常达30-35分贝，安静卧室观影应关注实测噪音≤28分贝90% similarUnverified投影机风扇噪音在安静卧室很明显，选购关注标称噪音≤30dB，超过35dB的机型在观影安静片段会干扰，激光/高亮机型散热需求大噪音通常更高89% similarUnverified亮度越高噪音和发热通常越大，追求2500+ ANSI的高亮机器风扇噪音多在30dB以上，卧室安静环境建议选亮度适中且噪音<28dB的机型89% similar
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