ese re-flections the sound met only feebly absorbent surfaces and there-fore returned to the audience with but little loss of intensity. Its 138 ARCHITECTURAL ACOUSTICS return was at such an interval of time as to result in great confusionof speech. Only the fact that the voice, rising at different… … Fig. 5. Lecture-room, Metropolitan Museum of Art, New York.McKim, Mead and White, Architects. of form, by diminishing the reflecting power of the two side walls.This was done by placing a suitable felt on the plaster walls betweenthe engaged colimins, and covering it with a decorated…
Architectural acoustics
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