United Press International reports that the Acoustical Society of America advises against the use of amplification systems in order to overcome noisy classroom conditions. The ASA does acknowledge that amplification systems have uses in schools. However, it recommends the use of the American National Standard Institute's American National Standard Acoustical Performance Criteria, Design Requirements and Guidelines for Schools. This standard gives guidelines for achieving acoustical performance criteria of classrooms, which will make sounds intelligible for most students in learning spaces......

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