An auditorium responds to sound with a series of echoes, some reaching the listener almost simultaneously with the direct sound, others returning later, often long after the source has stopped sounding. Balancing these distinct kinds of sounds is a delicate operation, as favoring a more diffuse sound can make performances dull, uninteresting, whereas favoring only the sharpest sounds can expose even minor changes in performance quality. Depending on the size of a room, a layout of tiles might require a level of diffusion which would render a large hall unintelligible; here is an attempt at balancing these levels, using individual tile groups which fold together increasingly as they reach the back. A grasshopper definition uses a focus point and obtains the distance from the focus for each tile; nearby tiles bend not at all, whereas distant ones fold many times. The effect of this, in theory, is to provide a strong direct sound while maintaining a distinctly different set of reverberations later on. Breaks between tiles help to absorb a degree of sound, while the flatter surfaces near the front help those sounds bounce out.
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| Lighting from behind these panels could transform this space into a visually interesting one as well as an acoustically intelligent one. |
Tile:
https://cmu.box.com/s/3sw33rnuxxz6uxnoj5pb
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