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do-it-yourself

Phonation Level Sensor.

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--- "DO IT YOURSELF" ENTRY ------- PURPOSE: Sensor to indicate visually voice loudness level to a deaf student. Describes audio amplifier and dual comparator system to monitor the level of a deaf student's voice. Red and green lights indicate when the voice is within or above the desired, predetermined level, to enable the student to maintain a normal sounding voice. Does not include instructions for building this device. COMMENTS: For information contact: Roy H Norris, Cerebral Palsy Research Foundation of Kansas Rehabilitation Engineering Center, 2021 North Old Manor, Wichita, Kansas 67208. AUTHOR: Norris, R H TITLE: Problem Solving With Rehabilitation Engineering Tech Brief REF: Winter 1982: p 6-7 NARIC CALL NUMBER: 01155 PAGES (including cover): 3 1982.

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as of: 
04/23/2003
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Do It Yourself
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