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There is disagreement among trained listeners in terms of their preferred bass and treble adjustments for both loudspeakers and headphones, and I am not certain that we know if that disagreement between them is because they would genuinely consider "neutral" different targets or not and what the...

Performing such a test (among others) isn't just about the final result you obtain, it's about learning about the coupling behaviour of the headphones under review and giving you some idea about how to properly interpret the results across different parts of the spectrum.

I have read a few articles on the subject of measuring the acoustic impedance of headphones, but let's face it : they're over my head ! This is the time when you PM those who know :D.

I am not familiar with electroacoustics, don't understand the notion of acoustic impedance well enough to be honest, and will defer to those who handle these notions better than I do, such as Mad_Economist, but that's indeed it. I limit myself to the cause agnostic term of "coupling" as it...

Conditioning as in : expose them to a different context / environment for x amount of time, and their preferences change. Or they don't (their preference is resistant to conditioning). One hypothesis (among many others) raised in some of Harman's articles for example is that, when tested, some...

Should a listener who expresses a different preference than most people "fix" their own preference ? I'm wondering how much of this variation in preference can be ascribed to causes that could be related to some form of conditioning vs causes that can't be related to it.

Something of note is that Harman's research into the preference boundaries and its statistical distribution was done with headphones with minimal coupling issues, to ensure that most of the test subjects experienced as close as possible the same delivered frequency response, and with the...

This is just me, but doing this I found it just a little too easy to know which EQ was which, particularly given that I knew what they were as I made them myself. Something that I found a bit more effective to throw me off, for me, was to create 4-5 sets of filters including some low anchor and...

? The whole point of a pair of headphones that's well designed so that it deliver a predictable and stable FR is that quantifying it is repeatable. As it turns out that's exactly what several articles and publications found out for the HD800S. Why so ? Not necessarily - one reason among...

I think it's a good question, but I am also not surprised to see that an evaluation of leakage under control + pad compression tests + positional variation may not always make sense when compared to inter-individual variation. A pair of headphones might be very susceptible to seal breach, but...

This is the sort of answer I've seen you write several times already and it's a bit trite in my view. In situ variation and the evaluation of transfer function between measurement rigs and individuals is quantifiable, and if sound quality is what you're after, good engineering mandates that the...

I'm not expecting Rtings to review the E3 soon, more expensive HPs of that sort are few and far between on their website. While being the only publication that has found the means to try to assess that issue, it's quite unfortunate that they present the data the way they do and use in concha...

I'm afraid you'll have to read the actual articles for that I think ;) .

This is something I'd genuinely like to know : which aspects of the DCA Noire above lead to better performance (different clamping force ? Different pad geometry ? Different yoke design ? Different venting schemes ? Etc.), and which solutions did DCA bring to the table to try to reduce that...

In the same test (https://danishsoundcluster.dk/wp-content/uploads/2022/11/Olive_DSD_2022.pdf), these hypothetical extraneous factors did not seem to impact to the same extent the inter-individual variability of the K702, Sundara or, to a lesser extent, the DCA noire. And the Stealth performed...

In your view they'd adapt to a 10db+ difference below 100Hz ? That seems like an untenable position to me. Well some yes. The Stealth did vary a lot with positioning for me. Besides a pair of headphones can be quite stable on your head and yet still shows high inter-individual variation. Ie...

This isn't about measurements performed on a fixture. This is about how the same sample of a pair of headphones varies in FR when worn by 10+ individuals.

But we already have the in situ measurements to know that this won't happen anyway. You're saying that if individuals A and B there were to apply the same filters based on measurements performed on a fixture, for some magical reason the filters would be applied differently and they'd get the...

Not really. I've already shown that graph before, but I don't think that it's sunk in enough on ASR what this : DCA Stealth, blocked ear canal entrance measurements (https://danishsoundcluster.dk/wp-content/uploads/2022/11/Olive_DSD_2022.pdf) Means for this : And, unless Sean's unit had...

In Apple's ecosystem, your (partly ?) personalised HRTF profile will apply any time you use the system-wide Spatial Audio engine (whether it's to spatialise stereo or Dolby Atmos content), when using either compatible AirPods or Beats HPs. In Logic, you can use the personalised HRTF profile...