•
40 dB corresponds to the volume of a quiet conversation or soft background noise. This volume is often perceived as pleasant and is typical for a quiet environment such as a library. It provides a good balance between silence and audible noise.
40 dB corresponds to the volume of a quiet conversation or soft background noise. This volume is often perceived as pleasant and is typical for a quiet environment such as a library. It provides a good balance between silence and audible noise.