Further to the above, I just would like to add the human sensitivity to frequencies is described by the so-called Fletcher-Munson curves. These curves are not precisely linear, but they are definitely not exponential.

Hi rsaavedra ,   I have been looking at the article above, and I think that your reasoning is not quite accurate! Let me explain.   Your reasoning is based on the assumption that "we don't perceive sound linearly but logarithmically". But please note that we perceive sound...