Tyll Hertsens Blog

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The Effect of Glasses on Headphone Frequency Response
Tyll Hertsens Blog, Audio Science Guide
Tyll Hertsens  |  Jun 10, 2015  |  34 comments

Not long ago a reader asked me if I would experiment with how glasses effects headphone measurements. The dummy head doesn't have a nose...so I just taped them on. He won't mind.

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InnerFidelity June 2015 Update
Tyll Hertsens Blog
Tyll Hertsens  |  Jun 09, 2015  |  29 comments
More headphones this month than there were days in the month. The tester is getting a workout!
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Does the Public Care About Sound Quality? Pono Community Indicates Yes!
Tyll Hertsens Blog
Tyll Hertsens  |  May 11, 2015  |  26 comments
It's a question I often ask myself. I do, and headphone enthusiasts and audiophiles do, but does the public in general...or even some reasonable fraction of the public care about sound quality?

I think the answer is: Yes. Here's one reason.

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Working on Amp Measurements
Tyll Hertsens Blog
Tyll Hertsens  |  May 08, 2015  |  30 comments

Going to be doing a big article this summer comparing the new HiFiMAN HE-1000 and Mr. Speakers Ether with a variety of other high-end headphones and using a handful of high-end amps. In preparation I did some more work today on the amplifier measurement routine.

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First Steps and Feedback for the Innerfidelity On-Line Headphone Measurement Tool
Tyll Hertsens Blog
 |  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.

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InnerFidelity Now Mobile-Friendly
Tyll Hertsens Blog
Tyll Hertsens  |  May 05, 2015  |  4 comments

So as not to incur the wrath of Google, InnerFidelity now passes the mobile-friendly requirements and will benefit from the better "ranking signal" on mobile search.

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InnerFidelity May 2015 Update
Tyll Hertsens Blog
Tyll Hertsens  |  May 01, 2015  |  11 comments

A healthy handfull of measurements this time...and a big shout out to Takato14 for sending in all the cool vintage cans!

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I'd love to measure more classic headphones.
Tyll Hertsens Blog
Tyll Hertsens  |  Apr 13, 2015  |  23 comments

Here's some headphones of particular interest to me. If you have a pair that's in fairly good shape, I'd love to measure them.

  • Sennheiser HD 414
  • AKG K1000
  • Beyerdynamic DT801 and DT901
  • Original Koss Pro4AA, with liquid filled ear cushions.
  • Sony R10

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The more things change, the more they stay the same.
Tyll Hertsens Blog
Tyll Hertsens  |  Apr 10, 2015  |  42 comments
"I've been having a blast reading through the first year (1923) of issues for "Gramophone," the great British classical music magazine. When I came across the attached article (from the issue for September 1923), I was struck by the fact that it could have been written this year .... and, if we substituted a more modern piece of equipment (such as "headphones") for the "gramophone," then the arguments would be just like those in our "equipment vs. music" discussions in audio publications and forums."
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InnerFidelity April 2015 Update
Tyll Hertsens Blog
Tyll Hertsens  |  Apr 09, 2015  |  38 comments

Wow! A great response from my post pushing for more measurements! Thanks!

41 headphone measurements done this month...I think that's a record.

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Ugh. A Little Tolerance, Please!
Tyll Hertsens Blog
Tyll Hertsens  |  Mar 24, 2015  |  21 comments

You've seen me play with Photoshop a bit for my InnerFidelity Updates. I had no idea it could get you in this much trouble!

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Catwalk Cat-Fight Over Headphones
Tyll Hertsens Blog
Tyll Hertsens  |  Mar 20, 2015  |  9 comments

Ruh roh! It seems designers Dolce & Gabbana may have gotten a little too inspired by Colombian artist Adriana Duque.

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AES Settles on SOFA for 3D HRTF Datasets
Tyll Hertsens Blog, Audio Science Guide
Tyll Hertsens  |  Mar 19, 2015  |  1 comments

You know things are happening when industry decides to settle on a standard. In this case, the AES has settled on a standard file structure for providing portable player (smartphone, tablets, DAPs) software programmers access to HRTF and other complex audio virtualization data sets.

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A First Glimpse of Highly Augmented Reality with Microsoft's HoloLens
Tyll Hertsens Blog
Tyll Hertsens  |  Mar 16, 2015  |  7 comments

When I saw the video I thought, "No way!?"

And then I saw the second video...and realized it's here.

Just amazing!

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How Did Instrument Makers Invent the F-Hole?
Tyll Hertsens Blog
Tyll Hertsens  |  Mar 13, 2015  |  6 comments

In the tenth century the fithele (precursor to the violin) had round holes. By the eighteenth century violins had F-holes that effectively doubled air resonance power. The question is: How did they figure that out over time?

The answer may be: they didn't.

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