Sound Intensity Level (dB)
β = 10·log10(I/I0)
What it says
The sound intensity level in decibels compares a sound's intensity to the reference threshold of hearing on a logarithmic scale.
Symbols
| Symbol | Quantity | Dimension |
|---|---|---|
β | Sound intensity level (dB) | 1 |
I | Intensity (W/m^2) | M T^-3 |
I0 | Reference intensity (1e-12 W/m^2) | M T^-3 |
Work it out
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Connects to
Filed under Waves · derive through it in the explorer