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Evaluating Sound Field Amplification Technology in New Brunswick Schools

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CASLPA Conference,


(Purpose) The purpose of this study was to investigate the effects of classroom sound field amplification on communication in kindergarten through grade 3 classrooms. (Methodology) Sixty classrooms were involved in the study; half of the classrooms were provided with sound field amplification. The flow of communication was measured through classroom observation. A qualitative component of the study involved semi-structured interviews and open-ended questions with teachers and students. In addition, acoustic measures were recorded using a sound level meter and hearing screenings of the students were completed. (Results) The flow of communication in amplified classrooms improved in most areas studied. Teachers and students felt that the amplification technology enhanced the learning process. Themes that emerged included improved signal to noise ratio in the classroom, enhanced learning, inclusion of students with special needs, more efficacious communication, and learning to use the technology. Acoustic measures showed that students were often working in below standard classroom listening conditions and hearing screenings revealed a prevalence of hearing problems between 12%-29%. (Conclusions) Amplification technology can be beneficial in elementary classrooms. [New Brunswick Department of Education funded this pilot research project.]


Rubin, R., Aquino-Russell, C. & Flagg-Williams, J. (2007). Evaluating Sound Field Amplification Technology in New Brunswick Schools. Presented at CASLPA Conference 2007. Retrieved September 27, 2022 from .

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