劇院調整請益 - 喇叭

By Olivia
at 2017-01-25T15:28
at 2017-01-25T15:28
Table of Contents
: 這是目前擺設空間、跑完擴大機audyssey後測得各聲道距離
: L、R=2.7m (-7dB)
: C=2.55m(-11.5dB)
: SL=1.5m(-5.5dB)、SR=1.8m(-4.5dB)
: SBL、SBR=1.5m(-6.0dB)
: SW=0.75m(1.dB實際不到30cm)
我會建議把沙發先推走,用三腳架把校正麥克風調整到耳朵高度,
讓麥克風 "看的到" 所有喇叭,重低音分頻調到最高
AVR 量測到的距離和實際距離有誤差的話,有兩個原因
1. 重低音內部的電路延遲,以這顆而言,phase 旋鈕就是在調整這個
2. 量測誤差,這其實受限於各個喇叭的頻寬,其中又以重低音頻寬
最窄,所以 AVR 都會建議把重低音上面的 xover 調到最高再跑校正
如果沙發擋在麥克風和重低音之間的話,也會增加量測誤差
如果要買 umik-1 自己測的話,我會建議先用 umik-1 + REW
先把 PEQ 設定搞好,把低頻的凸起頻段修正好,再跑 Audyssey
: 用hotel california hell freezes over版測試,不管超音低再怎
: 麼降,2.1都沒辦法像兩聲道(pc->管機->MA書架)一樣順耳,低音鼓
: 聲讓人突兀無法融入,只好妥協在這種突兀感中找最佳距離 囧
如果是拍點問題,可以嘗試下面兩種設定來比較聽看看
1. AVR xover 設最高,重低音上也設最高,然後把主喇叭的線先拔了
只用重低音聽曲子,練習掌握哪些聲音是從重低音出來的
2. AVR 調回 Audyssey 設定的結果,放一樣的曲子來比較那些重低音出來
的聲音,和其他聲音的 "合拍"
如果覺得重低音太慢出來了,那就在 AVR 上把 SW 距離增加點,
反之如果重低音太快出來,那就在 AVR 上把 SW 距離減少點。
如果拍點沒問題,單純是聽感上低音的量很突兀,那駐波的機率就比較高了,
這得要靠 PEQ 調整,先找到音量特別大的頻率,然後再調整 Q (bandwidth)。
--
: L、R=2.7m (-7dB)
: C=2.55m(-11.5dB)
: SL=1.5m(-5.5dB)、SR=1.8m(-4.5dB)
: SBL、SBR=1.5m(-6.0dB)
: SW=0.75m(1.dB實際不到30cm)
我會建議把沙發先推走,用三腳架把校正麥克風調整到耳朵高度,
讓麥克風 "看的到" 所有喇叭,重低音分頻調到最高
AVR 量測到的距離和實際距離有誤差的話,有兩個原因
1. 重低音內部的電路延遲,以這顆而言,phase 旋鈕就是在調整這個
2. 量測誤差,這其實受限於各個喇叭的頻寬,其中又以重低音頻寬
最窄,所以 AVR 都會建議把重低音上面的 xover 調到最高再跑校正
如果沙發擋在麥克風和重低音之間的話,也會增加量測誤差
如果要買 umik-1 自己測的話,我會建議先用 umik-1 + REW
先把 PEQ 設定搞好,把低頻的凸起頻段修正好,再跑 Audyssey
: 用hotel california hell freezes over版測試,不管超音低再怎
: 麼降,2.1都沒辦法像兩聲道(pc->管機->MA書架)一樣順耳,低音鼓
: 聲讓人突兀無法融入,只好妥協在這種突兀感中找最佳距離 囧
如果是拍點問題,可以嘗試下面兩種設定來比較聽看看
1. AVR xover 設最高,重低音上也設最高,然後把主喇叭的線先拔了
只用重低音聽曲子,練習掌握哪些聲音是從重低音出來的
2. AVR 調回 Audyssey 設定的結果,放一樣的曲子來比較那些重低音出來
的聲音,和其他聲音的 "合拍"
如果覺得重低音太慢出來了,那就在 AVR 上把 SW 距離增加點,
反之如果重低音太快出來,那就在 AVR 上把 SW 距離減少點。
如果拍點沒問題,單純是聽感上低音的量很突兀,那駐波的機率就比較高了,
這得要靠 PEQ 調整,先找到音量特別大的頻率,然後再調整 Q (bandwidth)。
--
Tags:
喇叭
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