Unverified82% confidenceDecision RuleTime unknown
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
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Unverified便携投影运行噪音多在28-38dB，风扇噪音在安静环境下明显，噪音＞35dB在卧室观影会干扰，注重安静应选标注噪音≤30dB的机型92% similarUnverified运行噪音超过32dB在安静观影场景明显可闻，卧室使用建议选实测噪音＜30dB的机型，高亮度机型散热风扇噪音通常更大91% 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89% similarUnverified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88% similarUnverified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88% similar
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