Abstract
Koubek Auditorium is used for architecture classes and guest lectures in the School of Architecture and Planning at the Catholic University of America in Washington, DC. Inadequate acoustics in this space result in ineffective use of the space as well as a poor teaching environment. The main problem areas are excessive background levels and reverberation times. Using a 1/3-octave band, background levels range from 47.6 dB–56.5 dB, reverberation times range from 0.9–1.6 s, and the noise criteria (NC) is anywhere from NC40 to as high as NC60, depending on where one is seated. The intent of this paper is to discuss the analysis and implementation of the acoustical corrections, as well as the end result of the changes and how those results improve the learning environment in the space.
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