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Details: Written by: Brent Butterworth; Created: 01 June 2019

Binaural recordings -- which use microphones placed inside simulated ears on a dummy head -- produce an uncannily realistic sense of space when heard through headphones. But because binaural recordings tend to sound only so-so when heard through speakers, most record labels and engineers don’t release them. For the last couple of years, Chesky Records has produced almost all of its recordings in the Binaural+ format, and I use them in all of my headphone reviews. So when I recently got a press release from Chesky touting Jazz, the latest release from bassist/singer Casey Abrams, recorded “using our new recording methodology which features a stereo ribbon microphone,” I worried that this golden era of binaural recording was over.

Read more: Why My Fi Ain't Hi-Fi

Details: Written by: Brent Butterworth; Created: 01 April 2019

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It’s clear that the listening habits of headphone enthusiasts are changing. Recently, HiFiMan launched the Ananda BT headphones -- a Bluetooth version of its Ananda planar-magnetic headphones -- which, at $1199 USD, are arguably the first true audiophile-grade Bluetooth headphones. Clearly, there must be some interest even among hardcore headphone enthusiasts for playing music -- or whatever -- from smartphones.

Details: Written by: Brent Butterworth; Created: 01 March 2019

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I get frustrated when people criticize the practice of audio measurement without having examined the issue in any depth -- but with headphones, I can forgive. The measurements for most audio products, such as speakers and amplifiers, are well established and easy to grasp. Even in high school, when I barely knew a capacitor from a choke, I could understand most of the measurements Julian Hirsch published in Stereo Review. But headphone measurements are nowhere near as intuitive -- a problem I hope to solve with this article.

Details: Written by: Brent Butterworth; Created: 01 February 2019

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Thanks to recent research, we now understand a lot about headphones. But there’s one part of the headphone puzzle that I haven’t understood at all, and until a few weeks ago, neither did anyone else I’d talked with. It’s a phenomenon I call “eardrum suck,” and it occurs with some noise-canceling headphones. When you put the headphones on and activate the noise-canceling function, it can cause a feeling like riding a high-speed elevator, where you’re whisked abruptly into a region of lower atmospheric pressure, and the higher-pressure air inside your ear pushes your eardrums out slightly. For many, including me, it’s an effect so uncomfortable it can cause us to leave our expensive noise-canceling headphones in a drawer, unused.

Details: Written by: Brent Butterworth; Created: 01 January 2019

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I recently got a request to review a headphone amplifier -- just an amp, with no DAC built in -- priced close to $10,000. This and many other products I’ve recently seen at audio shows have me wondering if the high-end audio industry has shifted away from its original purpose -- achieving better music reproduction than mass-market audio gear can provide -- and toward building audio gear intended more as objects of consumerist desire than as a means of achieving genuine improvements in musical reproduction.