Why is 0 decibel (dB) + 0 dB = 3 dB ?
3 Answers
0db is a power level so doubling the power the the result must be 3db!
Doubling the power means 3dB increase in SPL
&
Doubling the voltage means 6dB increase in SPL .
Why is 0 decibel (dB) + 0 dB = 3 dB ?
0db is a power level so doubling the power the the result must be 3db!
Doubling the power means 3dB increase in SPL
&
Doubling the voltage means 6dB increase in SPL .