lass="p">,</span> <span class="n">f</span><span class="p">,</span> <span class="n">t</span> <span class="o">=</span> <span class="n">stft</span><span class="p">(</span><span class="n">x_c</span><span class="p">,</span> <span class="n">ana_hop</span><span class="o">=</span><span class="n">ana_hop</span><span class="p">,</span> <span class="n">win_length</span><span class="o">=</span><span class="n">win_length</span><span class="p">,</span> <span class="n">win_beta</span><span class="o">=</span><span class="n