pan class="n">np</span><span class="o">.</span><span class="n">ndarray</span><span class="p">,</span> <span class="n">np</span><span class="o">.</span><span class="n">ndarray</span><span class="p">,</span> <span class="n">np</span><span class="o">.</span><span class="n">ndarray</span><span class="p">]:</span>
    <span class="sd">&quot;&quot;&quot;</span>
<span class="sd">    Computes the &#39;inverse&#39; Short Time Fourier Transform, according to the paper &quot;Signal Estimation from Modified</span>
<spa