Panasonic WX-LA20 Manual 

must be designed for listening (Summary) Karen Anderson The American School Board Journal, pp. 26-28 October, 1997 As adults, our hearing is fully developed. This development allows us to understand speech under less-than-perfect situations; however, children struggle in noisy classrooms as their hearing has yet to ma ...

teachers reported vocal fatigue and average two days of sick leave per year for voice-related problems. Three factors influence the ability to hear and understand what a teacher says in the classroom: • Distance from the teacher • Reverberation • Background nois ...