Mitsuo Hashiba's research while affiliated with Shriram Institute for Industrial Research and other places
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Publications (3)
An electro-larynx is one of speech-substitute devices for patients who have lost laryngeal function. Unfortunately, the voices produced by a conventional electro-larynx are completely flat, unlike a human voice. In order to improve it, we developed a pitch-controlled electro-larynx that allows patients to control a voice intonation using their exha...
An electrolarynx is a useful speech‐substitute device for patients who have lost laryngeal function. Unfortunately, the voices produced by a conventional electrolarynx are completely flat, unlike a human voice. For that reason, we developed a pitch‐controlled electrolarynx that allows patients to control a voice intonation using their exhalation [N...
Citations
... During these 20 years, many a research has been done on hands-free artificial larynx with a transducer worn on the neck. [2][3][4][5][6] There is also research on hands-free EL with sound start and stop detected using myopotential (EMG) sensors. 7-10 However, neither technology has been developed into wide practical use. ...
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... From usability tests, it was confirmed that the electro-larynx voices are heard more naturally than the conventional one and that the activity of the patients significantly improves in daily life. Furthermore, by adding a 1/f fluctuation of the pitch frequency [11] to the electro-larynx, the voice quality apparently exceeded the mynah bird's imitation [12]. ...
... During these 20 years, many a research has been done on hands-free artificial larynx with a transducer worn on the neck. [2][3][4][5][6] There is also research on hands-free EL with sound start and stop detected using myopotential (EMG) sensors. 7-10 However, neither technology has been developed into wide practical use. ...
