Re: [心得] 由Dr.Toole談room curve中了解怎麼挑喇叭
看板Audiophile (電腦喇叭 音響系統)作者lacer (期末啦)時間12小時前 (2025/05/04 08:40)推噓5(5推 0噓 25→)留言30則, 4人參與討論串4/4 (看更多)
※ 引述《whydan (真是抱歉啊(′‧ω‧‵))》之銘言:
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05/01 22:41,
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還誤導勒,原文連結都貼上了,自己點進去用google機翻都一樣的話
再強調一次,Dr.Toole什麼時候支持X-curve跟全頻EQ了,誰才在誤導,擺明著胡扯
※ 編輯: whydan (42.77.248.26 臺灣), 05/04/2025 01:40:59
您書有沒有讀通,我是真的不知道,最底下這段是Toole,..2018). Sound reproduction: The acoustics and psychoacoustics
of loudspeakers and rooms (3rd.). Routledge., secion 12.2.3的其中一段文字
甚至閱讀ptt文章的理解力也很特殊, 我的原文也只說500Hz以上,是可以做小幅修正的, 甚至我一開始就說toole並不支持全頻EQ
也只有寫到Dolby Atmos Music Curve不是X-curve
您自己再強調一次之前,請好好看懂別人寫的東西好嗎?然後就說別人胡扯,真是毫無建設性的東西,我就懶得再回覆了
===========
In summary, at frequencies above the transition region, a room curve that is
close to that shown in Figure 12.4d can offer reassurance that excellent
loudspeakers have been purchased. This fact would have been easily recognized
if complete anechoic data had been available on the loudspeakers. If the
measured curve significantly deviates from the target curve, there is no
certainty that equalizing the system to better match the target will improve
the sound quality. If the loudspeakers have relatively constant or smoothly
changing directivity, and the problem is a poor frequency response, there is
a chance of improvement. As shown in Figure 4.12, above the transition
frequency the most reliable basis for equalization is anechoic data on the
loudspeakers.
總結而言,在超過轉換區域(transition region)的頻率範圍內,若房間量測曲線與圖
12.4d 所示的目標曲線接近,這可作為已選購優良揚聲器的一項佐證。若當時能取得該揚
聲器的完整無響室資料,這一點將更為明確。
然而,若量測曲線與目標曲線有顯著偏離,將系統等化以更貼近目標曲線,並無法保證能
改善音質。
若該揚聲器具備相對穩定或平滑變化的指向性(directivity),且問題出在頻率回應不
佳,則透過等化進行改善仍有一定可能性。如圖 4.12 所示,在超過轉換頻率的範圍中,
最可靠的等化依據是來自揚聲器的無響室量測資料。
--
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