Decibel calculator
dB → amplitude/power ratio; sum of two sources
dB → ×
- Amplitude ×
- 2
- Power ×
- 3,98
Sum of sources
Total: 83 дБ
83 дБ
Amplitude: 20·log10(x); power: 10·log10(x). +6 dB = twice the voltage, +10 dB — perceived as twice as loud. Two equal sources = +3 dB.