ange</span><span class="p">(</span><span class="n">num_of_frames</span><span class="p">)</span><span class="o">.</span><span class="n">astype</span><span class="p">(</span><span class="nb">int</span><span class="p">)</span> <span class="o">*</span> <span class="n">ana_hop</span>
    <span class="k">else</span><span class="p">:</span>
        <span class="k">if</span> <span class="n">num_of_frames</span> <span class="o">&lt;</span> <span class="mi">0</span><span class="p">:</span>
            <span class="n"