3D Simulation of an Audible Ultrasonic Electrolarynx Using Difference Waves

Patrick Mills and Jason Zara

PLOS ONE, 2014, vol. 9, issue 11, 1-8

Abstract: A total laryngectomy removes the vocal folds which are fundamental in forming voiced sounds that make speech possible. Although implanted prosthetics are commonly used in developed countries, simple handheld vibrating electrolarynxes are still common worldwide. These devices are easy to use but suffer from many drawbacks including dedication of a hand, mechanical sounding voice, and sound leakage. To address some of these drawbacks, we introduce a novel electrolarynx that uses vibro-acoustic interference of dual ultrasonic waves to generate an audible fundamental frequency. A 3D simulation of the principles of the device is presented in this paper.

Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0113339

DOI: 10.1371/journal.pone.0113339

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