![]() ![]() With the app, users can set their personalized vocal thresholds. Custom machine-learning algorithms distinguish the difference between speaking and singing, enabling singers to separately track each activity. From there, the captured data is instantaneously streamed via Bluetooth to the users’ smartphone or tablet, so they can monitor their vocal activities in real time throughout the day and measure cumulative total vocal usage. ![]() The soft, flexible, postage-stamp-sized device comfortably adheres to the upper chest to sense the subtle vibrations associated with talking and singing. 20 in the Proceedings of the National Academy of Sciences. It also could help clinicians remotely and continuously monitor patients with voice disorders throughout their treatment.ĭeveloped by an interdisciplinary team of materials scientists, biomedical engineers, opera singers and a speech-language pathologist, the research behind the new technology will be published during the week of Feb. The first-of-its-kind, battery-powered, wireless device and accompanying algorithms could be a game-changer for professional singers, teachers, politicians, call-center workers, coaches and anyone who relies on their voices to communicate effectively and make a living. Northwestern University researchers have developed the first smart wearable device to continuously track how much people use their voices, alerting them to overuse before vocal fatigue and potential injury set in.
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