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A smartly trained voice monitor could save singers, teachers, and loud talkers from strain
A smartly trained voice monitor could save singers, teachers, and loud talkers from strain,Vocal fatigue and injury affects countless people every year, but this simple device could help prevent its onset.

A smartly trained voice monitor could save singers, teachers, and loud talkers from strain

Vocal fatigue and injury affects countless people every year, but this simple device could help prevent its onset.