Panasonic WX-LAK12 Acoustics in Educational Settings - Page 1
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Acoustics in Educational Settings (Summary) American Speech-Language-Hearing Association ASHA, March 1995, 37, pp. 15-19 The American Speech-Language-Hearing Association (ASHA) maintains the position that all students should be provided with appropriate acoustical environments in educational settings. Without the proper acoustical characteristics in these environments, students will see a decline in their attention, behavior, speech perception and learning. ASHA has suggested that schools try to achieve the following to improve listening conditions: • Minimize speaker-to-listener distances by ensuring students sit in the direct sound field of the teacher. Because students cannot always be in close range of the teacher, artificial methods such as assistive listening devices should be used. • Place classrooms in low traffic areas and away from external noise sources such as playgrounds and HVAC equipment. • Locate classrooms away from large group areas such as gymnasiums, cafeterias and auditoriums. • Landscape (trees, shrubs, and earthen banks) to reduce noise from external sources. • Equip classrooms with heavy carpeting, thick curtains and acoustical wall and ceiling panels. Because many of the suggestions above are impractical in all classrooms, ASHA strongly supports the use of assistive listening systems in classrooms. Research indicates improved speech recognition in students, both with normal hearing and with hearing loss, who use amplification systems. Extensive research and studies of acoustical conditions in classrooms reveal excessive noise (any auditory disturbance) and reverberation (reflected sound energy). Continued....
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