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Studies on device that can help people with speech disorders

2024-08-07 20:46:15, Shëndeti CNA
Studies on device that can help people with speech disorders
Illustrative photo

Some people who have lost the ability to speak are still able to move their vocal cords. As VOA correspondent Genia Dulot reports from Los Angeles, researchers in California are trying to turn these muscle movements into audible sounds, making it possible for individuals affected by speech disorders to speak again. .

Engineers at the University of California, Los Angeles are developing a device to capture the electrical signals produced by the vibration of the vocal cord muscles.

Researcher Ziyuan Che is using artificial intelligence to convert these signals into the ability to speak.

“ The electrical signal will be transmitted to the speaker part and the speaker part will give the sound. So the whole process, from sensing to processing and then to conveying the signal to the speaker, accomplishes the ultimate goal of helping you speak without using your vocal cords . "

The magneto-mechanical membrane that converts vocal cord muscle vibrations into electrical signals is soft and flat, so it can be held easily.

The researchers mixed the fine magnetic particles with soft natural and synthetic large-molecule substances and shaped them using the traditional Japanese technique of Kirigami, says researcher Jing Xu.

"We created the layer using the Kirigami shaping technique, which makes it even softer."

Researchers are working on artificial intelligence to be able to recognize the muscle vibrations of different people's vocal cords. Jun Chen leads the project at the Samueli School of Engineering at the University of California, Los Angeles.

"The vibration of your muscles may be different. We must ensure that the device is able to make this distinction before it is used. And then we'll analyze the signals to build a personalized vocabulary database, on an individual basis."

Designed to help people with various speech disorders, researcher Chen says he plans to test the device in his lectures, which can last up to three hours and sometimes lead to strain on his voice./ VOA





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