In article <c1iur0$1hvldk$[email protected]>,
Jon Harris <[email protected]> wrote:
>The reason your SPL meter shows such a dramatic difference
>is probably due to the A-weighting performed by the meter.

Is there a simple pole-zero approximation to A-weighting (or
other profile that is a good match to typical human perception
of "loudness")? Would a simple IIR followed by an RMS averaging
method provide a useful volume scaling factor (assuming this
had to be done in real-time)?


--
Ron Nicholson rhn AT nicholson DOT com http://www.nicholson.com/rhn/
#include <canonical.disclaimer> // only my own opinions, etc.