  In order to test if the universal aspects of Barkhausen noise in magnetic
materials can be predicted from recent variants of the non-equilibrium zero
temperature Random Field Ising Model (RFIM), we perform a quantitative study of
the universal scaling function derived from the
  Barkhausen pulse shape in simulations and experiment. Through data collapses
and scaling relations we determine the critical exponents $\tau$ and
$1/\sigma\nu z$ in both simulation and experiment. Although we find agreement
in the critical exponents, we find differences between theoretical and
experimental pulse shape scaling functions as well as between different
experiments.
