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Classroom Modifications With Improved Acoustics Modeled For Cehic, A School For The Deaf, In Kelaniya, Sri Lanka, Polwatte Krishantha Silva
Classroom Modifications With Improved Acoustics Modeled For Cehic, A School For The Deaf, In Kelaniya, Sri Lanka, Polwatte Krishantha Silva
Graduate Student Theses, Dissertations, & Professional Papers
The purpose of this study was to model a typical classroom in a school for the Deaf inKelaniya,Sri Lanka. Intense effort by teachers provides intervention for students with significant hearing impairment. The school is an oral school, and the philosophy is to utilize the residual hearing of each student through the use of high-powered hearing aids. Like many schools inSri Lanka, the Centre for Education of Hearing-Impaired Children (CEHIC) has many classrooms that have both high ambient noise with long reverberation times. Both noise and reverberation interfere with the sound signal, the teacher’s voice, and provide a poor learning environment …