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  1. Phonation Level Sensor. ------- "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 Resear...[More Information]

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    • AbleData, 8630 Fenton Street, Suite 930, Silver Spring, MD 20910. 1-800-227-0216.
    Maintained for the National Institute on Disability and Rehabilitation Research of the U.S. Dept. of Education
    by ICF Macro under Contract No. ED-04-CO-0018/0007.

    The records in AbleData are provided for information purposes only. Neither the U.S. Department of Education nor ICF Macro has examined, reviewed, or tested any product, device, or information contained in AbleData. The Department and ICF Macro make no endorsement, representation, or warranty express or implied as to any product, device, or information set forth in AbleData. The views expressed on this site do not necessarily represent the opinions of the Department of Education, the National Institute on Disability and Rehabilitation Research, or ICF Macro.