Phonak and Advanced Bionics Announce “MultiBeam Technology” for Wireless Microphones
Phonak—a hearing solutions company that is part of the Sonova Group—and Advanced Bionics—a member of the Sonova Group that develops advanced cochlear implant systems—announced a new microphone technology, that is designed to help people with hearing aids AND cochlear implants hear better, particularly in noise. The invention is called “MultiBeam Technology”, which soon will be applied in new advanced wireless microphones. According to the announcement, initial results with patients show “Large Improvements” in speech recognition.
People with hearing loss use hearing aids or cochlear implants to hear better. Despite huge advancements in these devices, barriers may remain in noisy restaurants, large business meetings, or social gatherings, all acoustically challenging environments. This can lead to social retreat with further health implications.
Since September 2009, a specialized task force of more than 10 digital signal processing and acoustic engineers have been working on the development of the MultiBeam Technology, according to the announcement. Multiple microphones in six directions are designed to pick up speech from 360 degrees, which is then calculated, compared, and the direction with the best signal-to-noise ratio is automatically selected. The technological processing complexity is almost ten times higher than the previous technology generation from Phonak, according to the companies, and power consumption was reduced by more than one third.
In a scientific investigation at the University of Texas in Dallas, a group of 10 patients with hearing aids were tested in a situation which resembled a noisy restaurant or very noisy meeting with three conversation partners. Speech understanding improved up to 61% in this group conversation in 75 dBA of noise compared to using hearing aids alone.
Professor Linda Thibodeau, from the University of Texas in Dallas, said: “The Multibeam Technology will allow persons with hearing challenges who have resigned from attending some social functions, family gatherings, and business meetings to experience significant improvements in speech recognition. This could ultimately lead to improved quality of life as they confidently reconnect with others using this discreet, convenient, and highly versatile technology.”
Hans Mülder, senior audiologist and director of marketing at Phonak says: “We are extremely happy to have achieved this milestone. It underlines the unwavering commitment of our finest engineers to never be satisfied with existing solutions but to continue to push the envelope of technology, so that more people can enjoy their lives to the fullest. We are now working hard to embed the new technology in coming solutions.”
Source: Phonak, Advanced Bionics
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