Tyll Hertsens Blog

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Tyll Hertsens  |  Feb 10, 2015  |  18 comments
Been curious about this for a while. Here's an overview and measurements of some attenuating ear plugs.
Tyll Hertsens  |  Apr 24, 2011  |  62 comments

The nice folks over at AKG decided to send me a bunch of Quincy Jones headphones, including three Q701s! That's good news for both you and me. For me, because it will allow me to do some experiments I've been wanting to do for a long time. The AKG K701, now reborn as the Quincy Jones Q701, is notorious for needing hundreds of hours of break-in before they sound right. I want to see if that can be measured, and in this article I'll show you the first sets of measurements.

It's good news for you, because when all is said and done, I'll give away two pairs of the Q701 headphones to some lucky reader.

So, let's talk about break-in, shall we...

Tyll Hertsens  |  Jan 27, 2017  |  10 comments
After my CES experience with Ossic, Dirac, Sennheiser AMBEO Smart Surround, and the AKG N90Q, I've begun to spend a little time rooting around for potentially interesting headphones and requesting samples for further investigation.
Tyll Hertsens  |  Feb 01, 2012  |  43 comments

What can I say? January was about CES. It's become a month long adventure for me now.

Still ... got some very interesting headphones measured.

Tyll Hertsens  |  Jul 15, 2013  |  16 comments

Take it from the guy that put the first cross-feed circuit to fix headphone imaging in a box that a consumer could buy, making headphones sound like speakers is hard...really, really hard.

But Headphone:X by DTS seems to be putting a pretty good dent in the problem.

Tyll Hertsens  |  May 19, 2017  |  14 comments
For a variety of perfectly understandable reasons, Audeze was only able to provide one LCD-4 for measurement and evaluation. I now have 3 LCD-4s measured and have put them in this AllLCD4Measurements.pdf.
 |  May 07, 2015  |  29 comments

Getting really serious about finding a way forward for an on-line headphone measurement tool. I think I need to run a few things by InnerFidelity readers.

Tyll Hertsens  |  Mar 21, 2014  |  89 comments

As many of you know, Sean Olive and crew over at Harman International are developing a new target response curve for headphones. In this post I've modified InnerFidelity headphone measurements on a number of widely known headphones in order for you to have a first look at what the frequency response of headphones might look like with this new curve.

I'm thinking it's a pretty good start. What do you think?

Tyll Hertsens  |  May 05, 2017  |  17 comments
Well, there's certainly been a whirlwind of calls and emails around the old InnerFidelity lab this week. I thought it would be a good idea to put a fine point on where we're at, and talk a bit about where we can go from here.
Tyll Hertsens  |  May 15, 2017  |  29 comments
Big thanks to a headphone forum member who reached out with an offer to share his Utopia and LCD-4 for me to measure. One more for the Focal for the Utopia measurements .pdf booklet. It's A1BEHF000384 on page 10 and 11. Generally, it matches the rest of the Utopias measured with a couple small things to note. I'll reveal the LCD-4 measurements when I have enough samples for a good comparison.
Tyll Hertsens  |  Nov 09, 2011  |  0 comments
Photo credt: AnakChan - The Headphone Girls greeting attendees entering the show.
Headphone enthusiasm is alive and well in Japan! Fujia AVIC, an electronics on-line and brick-and-mortar retailer in Tokyo, organizes a bi-annual headphone festival that is headphone otaku at it's finest.
Tyll Hertsens  |  Jun 30, 2016  |  31 comments
Audiophiles are rejoicing.

"I told you so! I told you so! I told you so!", they chant.

A recent paper published in the Journal of the Audio Engineering Society titled "A Meta-Analysis of High Resolution Audio Perceptual Evaluation" by Joshua D. Reiss concludes:

In summary, these results imply that, though the effect is perhaps small and difficult to detect, the perceived fidelity of an audio recording and playback chain is affected by operating beyond conventional consumer oriented levels. Furthermore, though the causes are still unknown, this perceived effect can be confirmed with a variety of statistical approaches and it can be greatly improved through training.
Tyll Hertsens  |  Jul 01, 2015  |  15 comments

Personal audio was born with the Walkman introduction 36 years ago today. It was also a near death experience for an iconic American company.

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