ning an auditorium an architect can giveconsideration to both; in repair work for bad acoustic conditions itis generally impracticable to change the shape, and only variationsin materials and furnishings are allowable. This was, therefore,the line of work in this case. It was evident that, other… … Fig. 1. 80 100 ISO 140 160 180 200 220 S40 260 280 300 Length of cushions in metersCurve showing the relation of the duration of the residual sound to the added absorbing material. of various substances. With an organ pipe as a constant source ofsoimd, and a suitable chronograph for recording, the…
Architectural acoustics
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