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About Improbable. Improbable is a British technology company that focuses on large-scale simulations in the cloud, enabling virtual worlds of unprecedented scale and complexity. > Learn about our game-development platform, SpatialOS. > Learn about other uses for our technology.
Thers no absolute silence. 0db is the least humans can hear. So m guessing you mean the beep we hear when there's negative or 0db sound. There's no exact answer but a few scientific assumptions hold good; yours diaphragm resonates with the flow of blood through vessels.