喇叭和某種東西在...共鳴? - 喇叭
By Susan
at 2009-11-22T02:28
at 2009-11-22T02:28
Table of Contents
最近幾天主動喇叭會發出原因不明的噪音, 和手機的訊號音不一樣,
就是右聲道會突然"啾!"的一聲, 有點像是半夜四下無人偶爾街上傳來一聲狗吠的頻率
但是很大聲, 感覺上大概有100db以上.
目前debug的結果與電源訊源前級都無關,
全部的線都拔掉了還是會不定期發出啾聲.
(有時候幾個小時都沒有, 有時候一分鐘好幾次)
似乎和作息時間有關, 早上頻率比較高
因為我住公寓, 所以我想是不是哪裡來的干擾訊號, 麥克風之類的.
已經這樣持續兩天了.
睡眠有點不足, 而且耳朵有點痛XD
--
Qui crustulo vivit, crustulo mortuus erit.
--
就是右聲道會突然"啾!"的一聲, 有點像是半夜四下無人偶爾街上傳來一聲狗吠的頻率
但是很大聲, 感覺上大概有100db以上.
目前debug的結果與電源訊源前級都無關,
全部的線都拔掉了還是會不定期發出啾聲.
(有時候幾個小時都沒有, 有時候一分鐘好幾次)
似乎和作息時間有關, 早上頻率比較高
因為我住公寓, 所以我想是不是哪裡來的干擾訊號, 麥克風之類的.
已經這樣持續兩天了.
睡眠有點不足, 而且耳朵有點痛XD
--
Qui crustulo vivit, crustulo mortuus erit.
--
Tags:
喇叭
All Comments
By Belly
at 2009-11-27T00:56
at 2009-11-27T00:56
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at 2009-12-01T23:25
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