db is also not a totally objective value of how you will "feel" about the noise. Higher pitched sound might be 5db lower, but feel more disturbing. The regularity of it is also important, as irregular sound will feel more disturbing too.
Consider yourself lucky that it failed right at the start.
db is also not a totally objective value of how you will "feel" about the noise. Higher pitched sound might be 5db lower, but feel more disturbing. The regularity of it is also important, as irregular sound will feel more disturbing too.