First Look at the Bose Hearing Aid
Self-Fitting Bose "Hearing Aid" Resembles Bose Hearphones)
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Hearing Tracker has gotten a first look at the FDA's documentation for the much-anticipated Bose Hearing Aid. The product’s physical form factor looks nearly identical to the consumer-electronic giant's last hearing-assistive product, the Bose “Hearphones”. But the Bose Hearing Aid is the first FDA-approved hearing aid in a newly-minted category of products known as "self-fitting air-conduction hearing aids."
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The FDA’s summary of the Bose hearing aid is the second shoe to drop following the October approval of the company's fast-track "De Novo" application for the new product. In addition to providing a detailed description of the product, it says clinical findings demonstrate the Bose self-fitting hearing aid "provides performance benefit consistent with that of the same hearing aid fitted by hearing professionals."
FDA SummaryThe Bose Hearing Aid provides performance benefit consistent with that of the same hearing aid fitted by hearing professionals for individuals ages 18 and older with mild to moderate hearing loss.
According to the FDA, the Bose self-fitting hearing aid is intended to amplify sound for individuals 18 years of age or older with perceived mild to moderate hearing impairment. It is adjusted by the user to meet the user’s hearing needs. No pre-programming or hearing test is necessary. The device is intended for direct-to-consumer sale and use without the assistance of a hearing care professional.
In its summary, the FDA defines a new class of hearing aids:
FDA SummaryA self-fitting air-conduction hearing aid is a wearable sound-amplifying device that is intended to compensate for impaired hearing and incorporates technology, including software, that allows users to program their hearing aids. This technology integrates user input with a self-fitting strategy and enables users to independently derive and customize their hearing aid fitting and settings.
Although the latest FDA documentation clears the way for Bose to sell its new Hearing Aid, the company has remained mum about when it plans to go to market. The company was unavailable for comment this evening.
The Bose Hearing Aid looks like the popular Bose Hearphones, with a flexible neckband housing a rechargeable lithium-ion battery and electronic components with extending cables for the right and left ears. Earbuds are connected to the neckband by flexible wires, with an ear-tip mounted on each earbud. Three sizes of tips are packaged with the product so that the user can choose the optimal size.
The Hearing Aid has two microphones in each earbud that may be configured in omnidirectional or directional modes to enhance understanding of speech in noise. Active noise reduction using “feedback and feedforward control loops” reduces environmental sounds, with power from a rechargeable 3.7 V, 250 mAh lithium-ion battery pack.
Like the Hearphones, the Bose Hearing Aid will feature Bluetooth audio streaming from smartphones, for both music and phone calls.
The Bose Hear mobile smartphone app works with both iPhones and Android smartphones. Bose Hearphones users will find familiar device configurations including "World Volume" and "Treble/Bass" gain settings. The settings are preserved between use sessions and the settings from the previous session are recalled upon power-up of the device.
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A set of manual buttons located on one of the cables from the neckband can also be used to adjust both the "World Volume" and directional mode.
Hearing aid signal processing includes 12-channel wide dynamic range compression amplification with compression thresholds fixed at speech-equivalent 52 decibels (dB) sound pressure level (SPL). Noise reduction is continuously active, lessening environmental noise and decreasing amplification of the user’s own voice.
Additional features include:
A human-factors study, non-clinical bench tests, and two clinical studies satisfied the FDA that the Bose Hearing Aid will be safely deliver on the promise of self-fitting software for people with mild-to-moderate hearing loss.
Among two groups of users, one with a professional fitting and one that used the self-fit software, the studies concluded that:
The report concludes that the clinical data support the claim that the Bose self-fitting hearing aid "provides performance benefit consistent with that of the same hearing aid fitted by hearing professionals for individuals ages 18 and older with mild to moderate hearing loss."
The form factor of the Bose hearing aid, with its neckband and wired earbuds, is unlike other hearing aids. But it’s proven to be popular with consumers in the guise of Bose Hearphones.
With Bluetooth streaming of audio from smartphones and user-adjustable sound, the $499 Bose Hearphones are a logical stepping stone to a product with user-programmable hearing aid capabilities.
But unlike the Hearphones, you can’t buy Bose self-fitting hearing aids in a Bose store, from Amazon, or from your local electronics store. So the most important question that remains to be answered is, “When?”
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David Copithorne ist ein langjähriger Blogger zum Thema Hörverlust und regelmäßiger Mitwirkender bei Hearing Tracker. Im Jahr 2002 erlitt er eine plötzliche und schwere Hörverlust. Seitdem hat er sich der Weitergabe wertvoller Informationen gewidmet, die er auf seinem Weg gelernt hat.