Brian Shute, Ph.D., CCC
Speech-Language Pathologist
P.O. Box 30621
Spokane, WA 99223
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Example of intonation using a TruTone Artificial Larynx
Article By: Brian Shute, Ph.D., CCC

This video is an example of scaled intonation as opposed to two-step inflection. Here, laryngectomee Bo Mayo demonstrates Mary Had A Little Lamb using a TruTone artificial larynx. Dynamic intonation is controlled by a pressure sensitive button on the side of the device. By using small movements with his thumb, Bo controls the pitch on a variable level. Can you pick out specific words that have upward or downward intonation? Although the production is robotic, Bo's voice more closely approximates organic qualities when compared to other devices. Also note the functional volume in an outdoors setting.
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