Both the 50 dB tone (100 Hz) and 92 dB tone (20 Hz) can be expressed as 1 sone or 40 phons. SIEMENS Community DB Concepts | PDF | Decibel | Ear - Scribd
[ \textdB(A) \approx 40 + 10 \times \log_2(\textsone) ] sone to dba
Before converting, it is essential to understand what each unit measures, as they represent sound differently. Both the 50 dB tone (100 Hz) and
The following values are common benchmarks used by manufacturers like Hauslane and Sengpiel Audio : Approx. dBA Subjective Experience 24–31 dBA Very quiet (like a rustling leaf) 1.0 Quiet (like a whisper or refrigerator hum) 2.0 Normal conversation levels 3.0 Noticeable background noise 4.0 Moderate noise (like an office environment) 6.0 Loud (TV at high volume) 8.0 Very loud (vacuum cleaner nearby) 4. Why Use Sones? dBA Subjective Experience 24–31 dBA Very quiet (like
Because the Sone scale is linear and the Decibel scale is logarithmic, we use a power-law relationship.