This is the best summary I could come up with:

Assistive technology is any item, piece of equipment, software program or product system that is designed to increase, maintain, or improve the functional capabilities of people with disabilities.

Unlike traditional systems, the smart glasses described in the study create distinct sounds known as “auditory icons” when an object enters the device’s field of view that convey its identity and location to the user.

Acoustic touch “is the use of head movement and sound to explore unknown environments,” study author Howe Zhu with the University of Technology Sydney told Newsweek.

As well as the acoustic device being intuitive to use and easy to integrate into conventional smart glasses technology, they say the use of auditory icons may require less cognitive processing and be more accessible than computer-synthesized speech approaches.

Another limitation identified in the study was the high computing needs of the system on the smartphone, which despite being a high-powered model, struggled with the realtime demands, suffering significant heating and power consumption problems.

“Future iterations of acoustic touch paradigms should improve the object recognition’s reliability, refine the system’s usability, and address the device’s technical limitations concerning power consumption and heating,” the authors wrote.

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