關於所謂的 ABT 盲測 - 喇叭

By Franklin
at 2022-03-29T10:14
at 2022-03-29T10:14
Table of Contents
※ 引述《yamatai (迴避性人格障礙症)》之銘言:
: 這篇文章收錄了很多盲測的紀錄
: https://www.head-fi.org/threads/testing-audiophile-claims-and-myths.486598/
先說一下,我沒有看這個討論串,就以您的文章描述為主。
: 盲測的對象,不只有電源線,也有喇叭線訊號線,甚至也有擴大機,數位跟黑膠比
: 測出來的結果,幾乎都是什麼都測不出來
: 如果用票選的,還很常選出最便宜的擴大機,甚至連數位跟黑膠都分不出來
: 甚至還有除了喇叭之外,其他器材全部都不一樣的,還是分辨不出來
: https://www.audioasylum.com/audio/general/messages/1/12590.html
: 我相信如果給你盲測兩台 DAC,大部分的人也是測不出來
這代表有2個結果:
(1) 根據我個人看資料的結果,影響聲音因素的大小,喇叭和空間佔了70%的因素,
剩下綜合起來約三成。所以,從影響最小的電源線到最大的擴大機,會過不
了盲測是很正常的。
(2) 這也在科學上證實,從線材到擴大機,其「差異」是很小的。
: 這說明什麼? 說明要能通過盲測的考驗非常非常困難,測任何東西都不準
: 比方說在葡萄酒的領域,能穩定的通過盲飲測試的人非常的少
: 通常需要有大量的盲測練習,以及非常廣泛的經驗
對。
所以才會有那種可以讓人自我測試金耳朵的軟體,我前面應該有貼吧。
如果找不到,鬼斧神工119 的文章,應該隨便找一下都有。
: 所以具有權威地位的英國的葡萄酒大師協會(The Institute of Masters of Wine)
: 給予通過層層葡萄酒考試的人葡萄酒大師(Master of Wine)的稱號
: 所以,這現象代表盲測並不是分辨兩樣東西是否有差異的好辦法
我非常不同意上述結論。
「很難達到」不代表「該方法不好」。
(1) 普通消費者很難做到,不代表專業廠商做不到
專業的盲測很難達到,那需要專業的人員、設備與實驗方法。要達成這種
水準很難,但是並非做不到。請參閱AES的論文,或是國際上音響大廠的
從業人員。
(2) 科學上的實證就是需要盲測
你不用盲測,那在科學上就是沒有效力。
: 相反的,是在測這個人是否有金耳朵。而有金耳朵的人非常的少。
: 如果真有人可以穩定通過音響的盲眼測試,他應該就是 "音響大師" 了
好像不能這樣子說。
就像「絕對音感」是可以訓練的,只要有一定的能力,經過練習就可以達成。
只是「非專業人士或從業人員」,通常是沒有機會做大量練習而己。
所以,能夠達到具有「分辯聲音能力」的人,也不算是音響大師,而只是
他具備這種分辯能力的而己。
--
: 這篇文章收錄了很多盲測的紀錄
: https://www.head-fi.org/threads/testing-audiophile-claims-and-myths.486598/
先說一下,我沒有看這個討論串,就以您的文章描述為主。
: 盲測的對象,不只有電源線,也有喇叭線訊號線,甚至也有擴大機,數位跟黑膠比
: 測出來的結果,幾乎都是什麼都測不出來
: 如果用票選的,還很常選出最便宜的擴大機,甚至連數位跟黑膠都分不出來
: 甚至還有除了喇叭之外,其他器材全部都不一樣的,還是分辨不出來
: https://www.audioasylum.com/audio/general/messages/1/12590.html
: 我相信如果給你盲測兩台 DAC,大部分的人也是測不出來
這代表有2個結果:
(1) 根據我個人看資料的結果,影響聲音因素的大小,喇叭和空間佔了70%的因素,
剩下綜合起來約三成。所以,從影響最小的電源線到最大的擴大機,會過不
了盲測是很正常的。
(2) 這也在科學上證實,從線材到擴大機,其「差異」是很小的。
: 這說明什麼? 說明要能通過盲測的考驗非常非常困難,測任何東西都不準
: 比方說在葡萄酒的領域,能穩定的通過盲飲測試的人非常的少
: 通常需要有大量的盲測練習,以及非常廣泛的經驗
對。
所以才會有那種可以讓人自我測試金耳朵的軟體,我前面應該有貼吧。
如果找不到,鬼斧神工119 的文章,應該隨便找一下都有。
: 所以具有權威地位的英國的葡萄酒大師協會(The Institute of Masters of Wine)
: 給予通過層層葡萄酒考試的人葡萄酒大師(Master of Wine)的稱號
: 所以,這現象代表盲測並不是分辨兩樣東西是否有差異的好辦法
我非常不同意上述結論。
「很難達到」不代表「該方法不好」。
(1) 普通消費者很難做到,不代表專業廠商做不到
專業的盲測很難達到,那需要專業的人員、設備與實驗方法。要達成這種
水準很難,但是並非做不到。請參閱AES的論文,或是國際上音響大廠的
從業人員。
(2) 科學上的實證就是需要盲測
你不用盲測,那在科學上就是沒有效力。
: 相反的,是在測這個人是否有金耳朵。而有金耳朵的人非常的少。
: 如果真有人可以穩定通過音響的盲眼測試,他應該就是 "音響大師" 了
好像不能這樣子說。
就像「絕對音感」是可以訓練的,只要有一定的能力,經過練習就可以達成。
只是「非專業人士或從業人員」,通常是沒有機會做大量練習而己。
所以,能夠達到具有「分辯聲音能力」的人,也不算是音響大師,而只是
他具備這種分辯能力的而己。
--
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