A sone is an internationally recognized measurement of sound output. Sones translate decibel readings into numbers that correspond to the way people sense volume, and follow a "linear" scale, like inches (see chart below). Sone readings offer quick sound comparisons for laymen and engineers.
Sone chart
|
Sound level situation |
Sone level |
How we feel |
|
Traffic noise |
8.0 / 7.0 / 6.0 / 5.0 / 4.0 / 3.0 / 2.0 / 1.5 |
Conversation with added noise |
|
TV/Radio |
Normal conversation |
|
|
Calm office |
||
|
Night in suburbs |
1.0 |
Comfortable zone free from noise |
|
Rustling shrubs |
0.5 |
|
