Sone Rating Scale Guide
Such a feature would likely appear in:
In the consumer market, sone ratings are the industry standard for measuring the noise levels of household ventilation products like bathroom exhaust fans and range hoods . How the Sone Scale Works sone rating scale
Historically, manufacturers relied on decibel ratings to hide noise levels. A "quiet" appliance might have a low overall dB rating, but still emit a high-pitched whine that human ears are particularly sensitive to. Because the decibel scale doesn't weight frequencies the way our ears do, the numbers didn't match the annoyance. Such a feature would likely appear in: In