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ANC主動抗噪 音量加大? 抵銷聲波?
Aug 19th 2013, 16:18

各位好
是這樣的
小弟最近入手了MONSTER INSPIRATION有主動降噪的那款
其實小弟大概只知道它的原理是發射出與噪音振幅相同、相位相反的聲波來抵消噪音
小弟空戴耳機沒有放音樂去開起這個功能時
的確是把背景的噪音都給大大的降低了
但放音樂去開這個功能時
發現音樂的分貝也會跟著增高?
所以有點不明白它是利用增加音樂分貝以蓋掉背景噪音還是用抵銷聲波的方式下去作用?
以上若有什麼認知錯誤
請鞭小力一點Orz
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