電腦訊源再改造之路 - 喇叭音響
By Jack
at 2009-09-06T01:36
at 2009-09-06T01:36
Table of Contents
在上次與cdp pk的經驗之後一直在想要如何去改善不足的地方
爬了一些文重新思考後大致可歸納出兩項原因:
1.噪訊干擾
2.震動問題
第一項藉著換sata線及改VGA工作頻率後已有改善,後續還可以做哪些工作心裡
大概也都有譜,但震動問題就很頭痛了。
今天又去找我同學一趟,一來想為了上次在他那裡聽到的一個現象找答案,二來
順便和他討論我目前遭遇的問題看他有沒有什麼建議。
他給了兩點建議,第一點建議是每個人應該都可以輕易想到的--加墊材,第二
點就完全沒想過--在硬碟架底下塞東西(例如墊衛生紙)。而墊材的部份他建
議拿塊布就可以了,如果真的覺得效果不錯再去花錢買其他材質的墊材試。
回到家後因為時間比較晚所以只試了墊材部份,試驗結果如下:
1.大潤發牌腳踏墊:低頻延伸變好量感也強很多,但是中高頻消失導致低頻顯得
太過肥厚讓聲音聽起來又呆又慢,不舒服。
判定結果:NG
2.家樂福牌韻律墊:低頻延伸和腳踏墊差不多,但量感較弱。高頻延伸及細節稍
減但整體狀況優於腳踏墊。重點在於中頻變得相當渾厚,聽久了仍然覺得聲音變
的呆滯不舒服。
判定結果:NG
3.宜而爽短袖內衣:在高頻表現幾乎不受影響的情況下低頻延伸變好,中頻也比
較厚,但整體而言整個頻段響應還是較偏中高頻。
判定結果:OK
4.宜而爽短袖內衣X2:在多加一件內衣的助威之下低頻量感明顯增強,中頻的話
沒什麼變,反到是高頻解析略差。初聽之下感覺還可以接受,但聽久了會發現在
中高頻有一段聲頻凹陷,而且聲音還是會有點呆滯感。
判定結果:NG
結論:一件半的宜而爽內衣可能會是最佳解,只是手邊沒有裁縫用剪刀可以證實
。也許我該去買塊魔豆牌黑豆干來試試。
註:以上純屬惡搞,請勿輕易在家嘗試。
--
當雨也風化成了灰,而你依舊 。
--
Tags:
喇叭音響
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