fault parameters: 
N-point FFT = <code class="docutils literal notranslate"><span class="pre">length(Sig)*2</span> <span class="pre">+</span> <span class="pre">1</span></code>, normalised band edge frequencies = [0 1],
logarithm = natural, normalisation = w.r.t # of spectrum/band values.</p>
<p>[Spec, BandEn] = SpecEn(Sig, name, value, …)</p>
<p>Returns the spectral entropy (<code class="docutils literal notranslate"><span class="pre">Spec</span></code>) and the within-band entropy (<code class="docutils 