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Personalised earphones reinvented with 3D printing

Vivien Lin
Personalised ear devices are now able to be produced in under an hour, as opposed to days, through an ultra-fast 3D printing method developed at the Swinburne University of Technology.

Hearables 3D is a start-up that draws upon Swinburne research and technology to tailor earphones and hearing aids to individuals’ unique ear profiles. It creates its custom devices by using the iPhone’s TrueDepth 3D scanning function and a proprietary system which automatically processes raw 3D scans using advanced 3D statistical modelling. This information is then used to automatically produce and 3D print the in-ear device. 

Similar custom products would typically take days to be made and require the use of uncomfortable, physical moulds. During these waiting periods, users are often forced to rely on ill-fitting pre-made ear tips. 

“The process for getting a hearing aid usually requires an audiology visit, a moulding visit and a one to two-week wait time,” says 3D Hearables’ co-founder, Director and Chief Technology Officer Dr Phil Kinsella. “What makes Hearables 3D different is the ability to acquire the data in a convenient manner using the latest iPhone technology, and the automation system behind it allowing a turnaround time of under an hour.”

The founders say that the new technology has life-changing potential for those who rely on hearing aids by making custom-fit devices more accessible. 

“For those who wear hearing aids all day every day, a poorly fitted device isn’t just uncomfortable, it becomes painful,” says Damian Png, Chief Operating Officer and co-founder.

Hearables 3D may also help address Australia’s hearing loss problem. Using personalised earphones can prevent sound leakage, which causes users to listen to music at higher volumes and damages hearing. 

“Our vision is to make custom-fit devices an everyday norm,” says Mr Png.

The company is currently seeking to commercialise its product. 
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