listener

Very, very cool! Always wanted to try demos like that. Those headphones are well-constructed too, love the light weight and the earpad materials.

I've had a sneaking suspicion for a while that the headphone shown (MDR-MV1) was tuned with regard to optimizing for human HpTFs. Did you get a chance to listen to any stereo recordings you're familiar with?

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Hahah, we have one on its way to us currently. Thanks for the tip on the lighting, I’ll relay that to our tester.

I’ve been seeing some pretty strange results for the “HRTF Reference” mode, but they’ve all been on 711 couplers so I’m skeptical. Excited to see what results you get on Mr. 5128!

LOL

You guys testing Tonalite?

I actually have a question for you:

Do you think there is an issue with the target not being the center of the bounded field?

Idk how he even got it, it’s not supposed to be out for two more days! 😩

@seanolive.bsky.social What's the best place to order the book to ensure the maximum amount of revenue makes its way to the authors?

No kidding! 😬

We had a meeting with Charles Sprinkle who indicated it was a primary goal for the tuning to be Harman-like. We had our suspicions before the meeting too, since their marketing material also very clearly showed the "Studio" preset targeting a smooth, Harman-like response.

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Yeah, one of the cooler papers in recent memory, thankful to Axel for turning me onto it. Been meaning to try the "tube" from this paper. Would love to see you give it a shot!

Arya Unveiled is $1450, but they just released the Ananda Unveiled which is going to be the cheapest in their lineup with this "extremely open" approach to acoustic design ($550), so it may be worth waiting to see if that exhibits the same behavior & if so get that one instead. I'll keep you posted!

Very interesting, can say it looks quite a bit different than our results for the unveiled versions. Attached is data for the Arya Unveiled. The HE1000 and Susvara Unveiled both show similarly small difference in the part of the headphone response dominated by pressure effects <3 kHz (~1dB max).

Ahhh I see, thanks for sharing, this makes it very clear how it was done.

Got it!

It’s possible I’d opt for one of the Unveiled Hifiman headphones (AryaUV/HE1000UV/SusvaraUV) considering they’ve exhibited the least variation between Type 3.3 and 4.3 systems in our limited testing, but it’d have to be a unit that didn’t have the commonly-occuring THD issues around @ 4kHz/QC issues

Its tough, because for all of its benefits the HD 800 still has reasonably high variation depending on how its worn, and most electrostats aren’t exceedingly well designed such that many have unintentional leaks in the front volume that change with clamp force (subject head width). 1/2

Interesting. Was the metric tested “similarity,” or “similarity of preference”? I could see the former being a little harder/noisier to test than the latter.

Was the replicator headphone for this sufficiently placement/ear load invariant? Very excited for this but I confess I'm really hoping you didn't only use Dan's headphones for the replicator duties 😅

Just gave it a pass. Very interesting indeed. Wish I was going to the conference so I could be there for the discussion.

Love my SSL 2+ except that the Phones A output has nasty channel imbalance. Love that there’s no BS software to deal with though.

See ya there, big dawg!

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Any chance the HATS was a KEMAR with the Welti pinna? Your blocked canal measurements of headphones on humans + measurement fixtures showed good parity between it and humans iirc.

On that note, is there any chance you’ve done anything like a DF / SRF measurement of a KEMAR with the Welti pinna?

@resolvereviews.bsky.social has a video coming on them this week!

The latter I think would only work with a small sample size if you had access to a few of the same subjects from eg. the 2013 or 2015 papers though, so might be more pragmatic to do the other one :) 3/3

But if it was up to me, I’d be asking you to do listening tests for OE headphones based on similar human measurements (DF HRTFs + HpTFs at the blocked canal) but testing how the LS/HS adjustments would deviate from 2013/2015 when individual HRTF is compensated for 2/?

For CanJam audience I’d do “Does personalized EQ based on listener HRTF correlate to reports of ‘technicalities’?”

Can measure DF HRTFs + HpTFs for a few people at the blocked ear&do listening tests with an HD 800S and see which profile—stock or personalized—has more reported soundstage/detail 1/?

Ah okay that makes a lot more sense. Waaaay easier to avoid dealing with anything past the canal entrance 😂

& no kidding! Hats off to that engineer of yours.