In article ,
says...


vincent norris writes:

Well, if really was "a silent sanctuary," then doubling the sound would
not make much difference: two times zero decibels = zero decibels.



The sound level outdoors is rarely zero.

TRUE

And decibels are a log scale, so a
doubling of sound intensity is always an increase of 3 decibels, irrespective
of the starting sound level.

TRUE


It is hard to even perceive an increase of 3 decibels.

FALSE