what is this, twenty questions? 

a decibel is a measure of sound level.  The way in which the term is used by Tenson makes sense to me.  If he has not reflected your thinking about room adequately then I suggest a less robust contribution would be appreciated.

simply put, unless you start coming across as someone prepared to [..] value [the] opinions of others, you will be dismissed/ignored/dispised - and that's not nice...