Sones: Meaning Upd

| Sound Source | Approx. Sound Level (dB SPL) | Approx. Loudness Level (phons) | Perceived Loudness (sones) | | :--- | :--- | :--- | :--- | | Quiet library / Rustling leaves | 30 | 30 | 0.5 | | Normal conversation (1 m) | 60 | 60 | 4 | | Busy street traffic | 70 | 70 | 8 | | Vacuum cleaner | 80 | 80 | 16 | | Rock concert / Chainsaw | 100 | 100 | 64 | | Threshold of pain | 120 | 120 | 256 |

While decibels measure sound pressure on a logarithmic scale that can be confusing to the human ear, the sone is designed to measure exactly how the average human hears it. sones meaning

And so on. This means that each increase of 10 phon (or approximately 10 dB) corresponds to a doubling of the loudness in sones. | Sound Source | Approx

In simpler terms, a sone is a linear measurement. This means that if a sound is rated at 2 sones, it is perceived as as a sound rated at 1 sone. If a sound is rated at 4 sones, it is perceived as four times as loud as 1 sone. And so on