Unverified78% confidenceDecision RuleTime unknown
对安静环境敏感（卧室、深夜观影）应选风扇噪音≤30分贝的机型，高亮激光/大功率LED机型满负荷运行常达35-40分贝，安静场景明显
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Unverified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88% similarUnverified卧室连通或需夜间开启的场景，噪音需≤35dB；超声波机型普遍在30dB以下较静音，无水雾化机型因带气泵通常在40dB以上，安静环境会明显86% similarUnverified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86% similarUnverified静音标准：运行噪音≤35dB才算真静音（安静卧室约30dB），标注40dB以上的电机夜间开合会吵醒人，卧室必须选≤35dB并优先直流无刷电机84% similarUnverified对噪音敏感（卧室/安静环境）不建议买高亮度小机身投影仪，其小风扇高转速散热噪音常达30-38dB。安静场景应选大机身或标称噪音≤28dB的机型84% similar
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