New headphones design will stop your embarrassing songs leaking out around you
New tech allows only the user to hear sounds from open-ear headphones
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Annoying headphones that leak sound could be a thing of the past – even on open-ear earphones – thanks to a new technology that’s been developed in Japan.
The advancement comes from telecommunications giant Nippon Telegraph and Telephone (NTT), which had previously announced that it’s working on aheadphone-free way for passengers to enjoy in-flight entertainment.
It now looks like that idea has been developed further, with NTT adapting the idea for headphones. The company says its new super-small speaker enclosure is specially designed for open-ear headphones and can limit sound to within a very small space. NTT claims this allows you to “communicate with people around you without worrying about sound leakage to the surroundings".
NTT have named the tech Personalized Sound Zone (PSZ), with the headphones speakers cleverly counterbalancing normal phase and reverse phase sound waves against each other to cancel out at a set distance.
The company claims this technique allows the user to listen to music at 80dB while for anyone 15cm away from the headphones the sound will be inaudible.
A set of earphones using PSZ tech are set to be released by NTT’s audio affiliate brand Sonority. Named the MWE001, the wired headphones weigh just 9 grams and hook over the ear.
Successfully crowdfunded last monthon Japanese site greenfunding.jp, the MWE001’s have an open-ear design, which also means they don’t isolate the user from outside sounds around them.
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The MWE001’s featuring PSZ technology are set be exhibited ata research and development showcasehosted by NTT next week .
Analysis: PSZ tech looks set to open up a new way of listening
When NTT first unveiled its mind-blowing localised audio tech earlier this year, we couldn’t stop thinking about all its potential uses – from discreet translations at conferences, to silent listening zones at libraries, the possibilities seemed both broad and genuinely useful.
It’s therefore really exciting to see that that big idea has being taken a step further with the new headphone tech.
We’ve seen plenty of example of open-ear earphones such asBose’s SoundWearandSony’s SRS-NS7neck speakers andbone-conduction headphonesmodels such as the excellentShokz OpenRun Prowhich we awarded five stars in our review.
All of these are great for anyone who finds canal-type earphones uncomfortable, with the added bonus of them being more hygienic than regular in-ears.
However, each of those options is prone to some level of leakage, which is what makes NTT’s new tech particularly exciting.
The big question now remains just how good does this directed audio tech sound in practice. We can’t wait to try the out the MWE001’s and see if they make onto ourbest headphoneslist.
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Kevin Lynch is a London-born, Dublin-based writer and journalist. The author ofSteve Jobs: A Biographic Portrait, Kevin is a regular feature writer for a number of tech sites and the former Technology Editor for the Daily Mirror. He has also served as editor ofGuinnessWorldRecords.comand has been a member of the judging panel for the BAFTA British Academy Video Game Awards. Alongside reviewing the latest AV gear, smartphones and computers, Kevin also specialises in music tech and can often be found putting the latest DAWs, MIDI controllers and guitar modellers through their paces. Born within the sound of Bow Bells, Kevin is also a lifelong West Ham fan for his troubles.
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