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Fresh into a new year and a new decade, worn out from trips to the 2020 Las Vegas International CES and the 2020 NAMM Show in Anaheim, California, I write this column filled with anticipation . . . and dread. Anticipation because I’m excited to see what new headphone innovations will appear this year and into the 2020s. Dread because I’m wondering how I’m going to test them.

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Of the more than 100 new audio products that pass through my home every year, few stay longer than a couple of months. But after I tested a sample of the AKG K371 headphones borrowed from another reviewer, I immediately ordered a set from Amazon. Not only do they sound great; they’re a superb reference for any reviewer or headphone enthusiast. More than probably any other headphones available today, they tell us what sound most listeners like. The K371s’ response closely matches the Harman curve, developed by running hundreds of headphones past hundreds of listeners in blind tests to find out what kind of sound most listeners prefer.

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It’s hard for me to believe it’s been seven years since researchers from Harman International presented the landmark paper “The Relationship between Perception and Measurement of Headphone Sound Quality” at the 2012 Audio Engineering Society Convention in San Francisco -- the first paper in which the company presented what became known as the “Harman curve,” the target frequency response that average listeners would like best. When I first read that paper, I assumed it would quickly revolutionize the headphone business. As a headphone reviewer, I knew that the various headphones and earphones then on the market often exhibited wildly different sounds -- even among different models in a company’s line -- which indicated that knowledge was lacking or simply being ignored.

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Over the last year or so, I’ve had a chance to do something I don’t think any reviewer has done before: listen to and measure a whole bunch of headphone amps. I went into this process with a lot of curiosity and few preconceptions. I knew that from a theoretical standpoint, headphone amps can make a bigger difference in what you hear than speaker amps do. I wasn’t sure, though, how big that difference would be, or how much I’d care about it. But after a year of listening and technical explorations, I’ve come to some interesting conclusions.

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I think I saw the future of headphone technology at the recent 2019 Audio Engineering Society International Conference on Headphone Technology, held in San Francisco from August 27 to 29. My vision came during a presentation by Ramani Duraiswami, a professor at the University of Maryland and also president and founder of VisiSonics, a company dedicated to 3D audio reproduction, mostly for gaming applications. Duraiswami’s presentation didn’t awaken me to any concepts I hadn’t heard of before -- but it did give me the faith that the processing needed to make headphones sound as good and natural as a high-quality set of stereo (or surround) speakers is within our grasp.

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After writing in-depth about noise canceling for several years, I thought I knew most of what there was to know about it. But at this week’s 2019 Audio Engineering Society International Conference on Headphone Technology in San Francisco, I saw two presentations that changed my thinking about noise-canceling technology in headphones -- and proposed ways to improve the technology and our methods of evaluating it.

Latest Comments

Geoffrey Morrison 26 minutes ago Greetings!
@oratory1990We're still working out the details for measurements. I probably won't be doing them personally. ...
oratory1990 9 hours ago Greetings!
Hi!

Will you be doing measurements as well?
Brent Butterworth 16 days ago A Fond Farewell
@ToddI have only used a few of them. None were great. Wirecutter recommends this one, ...
Todd 23 days ago A Fond Farewell
@Brent Butterworth  Usb Wired 
 I use a wired usb Microsoft headset  for work. It is durable and
the ...
Brent Butterworth 24 days ago A Fond Farewell
@ToddThanks, Todd! You mean wired or Bluetooth?
Todd 26 days ago A Fond Farewell
Best of luck Brent. I enjoy your writing and will miss your podcast. Can you ...
azlan 1 months ago Linsoul 7Hz Timeless Earphones
A lots of iem comin' But kings of Clarity is timeless Dun get the funny ...
Joe Pop 1 months ago A Fond Farewell
I have enjoyed your writing throughout your reviewing career and over that time I have ...
Harris Fogel 1 months ago A Fond Farewell
Fantastic!

Mauro 1 months ago A Fond Farewell
@MauroYou’ll miss my typos :)