[討論]Head-fi上各ciem測試頻響圖

作者: bomin0624 (Bomin_IMBLP)   2017-09-25 07:08:04
DISCLAIMERS
1. A Frequency Response graph is not in any way an indication of good sound
quality. Think of it as flavours, like in ice-cream. The FR is like the
branding at the side of the tub telling you the flavour of the ice cream.
It's not going to tell you if it's good ice cream, but at least you have a
way of finding out if it's the flavour you want.
2. Do not compare my data with other measurements from other databases (i.e.
Innerfidelity). Really, I'm flattered that you would attempt to compare my
graphs obtained from this tiny $25 condenser mic and makeshift coupler to
stuff like Tyll's god-knows-costs-how-much dedicated measuring rig, but I
think at this point I'll have to put my foot down and say that if you call my
graphs inaccurate based on that comparison, you're doing it all wrong.
Compare with data made from the same rig; that's the rule for seasoned
measurers out there.
3. Measurements are meant to complement subjective impressions, not form the
basis for them. I get that certain people like to paint me as some sort of
Rin Choi-like figure where all I do is look at graphs and determine quality
sorely off of said metrics. 99% of the IEMs I've measured, I have listened to
as well. If not for the graphs, one can also take this database as a list of
IEMs I've tried and auditioned, and the graphs simply being proof of it.
4. Unit variation is a thing. I do not control what demo units the companies
provide to me or to their distributors (where I usually do measurements). If
you find issues with my measurements, it can be any of the following:a) Inconsistent manufacturing
b) Broken/malfunctioning units (in a way that is not immediately obvious)
c) Horrible channel matching (related to point b, sometimes the left and
right channels are so different that I simply choose the channel that looks
the most "correct" to my subjective impressions)
d) Measurement error (yes, I am human, I make mistakes sometimes)
5. Do not take data above 7000Hz too seriously. Higher frequencies are marred
by variations in insert depth, resonant peaks and general limitations to the
microphone used. I'm not saying to ignore them, but only put stock in them if
you are knowledgeable enough to do so.
Setup: Dayton IMM-06 with makeshift vinyl tube coupler, "FFT Plot" app on iOS
With this portable measuring rig, I was able to run around the country to
take measurements off demo units. Will be updating this post and the imgur
album as I get more and more opportunities to do so in the near future. Due
to the nature of this setup, I will only be measuring IEMs.
Disclaimer: my measurements are not meant to be totally accurate or conformed
to any standard. Do look at my Etymotic measurements as a frame of reference
instead.
來源網址:https://goo.gl/k7p3qw
發現了一個很有趣的文章 這位作者 運用自己的測試儀器 在這篇文章中放入了大量的
ciem頻響圖 或許並不是最準確的頻響 僅供大家做參考
只要點擊耳機 就會出現他的頻響圖出來
順便附上這位作者另一篇文章 他自己所列出來的iem ranking
https://goo.gl/dcQbnw
就不多做翻譯了XD 有錯請指正
剛剛看到了mh334公模跟私模頻響圖差異 雖然早就知道 公模跟私模差距可以到15-20% 自
己也有一隻ciem 但在頻響圖上實際看到還是有點震驚XD
作者: classskipper (Redeemer)   2017-09-25 09:50:00
推數據會說話,玄學派最怕這種了
作者: kodokawa0515 (NightAkame)   2017-09-25 10:34:00
小心你的設備被說50收
作者: purplesky911   2017-09-25 10:36:00
87收不能再多了
作者: CactusFlower (仙人掌花)   2017-09-25 11:56:00
都是IEM啊...有沒有over-ear的

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