It seems like divide by 3 should be about right. 2**10 is roughly 10**3, so 30 decibels is about 10 bits. (1024 versus 1000).
log10(1024) = 3.010 10/3.010 = 3.32
You are right, the conversion factor is 3.01.
It seems like divide by 3 should be about right. 2**10 is roughly 10**3, so 30 decibels is about 10 bits. (1024 versus 1000).
You are right, the conversion factor is 3.01.