WORKS
Helmholz Ceramic Resonator
In this tight, but highly reverberant space, a unique and innovative approach was needed to maintain the warmth and space, but also provide a pleasant and echo-free space for diners.
Project details
Ceiling with mineral wool absorption and wood reflectors to increase harmonic sound control. The ceramic sphere are Helmholtz resonators and speakers.
Helmholtz resonance, also called wind throb, is the air resonance phenomenon that occurs within a cavity. Named after the German physicist Hermann von Helmholtz, it happens when air is pushed in and out of a cavity, causing the air inside to vibrate at a natural frequency. This principle is commonly seen in everyday life, such as when blowing across the opening of a bottle, producing a resonant tone.
This effect was used in reverse. Rather than generating sound or “throbbing” vibrations, the resonators acted to cancel out the reverberations already present in the room.
The visual story
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