>=</span><span class="mi">24</span><span class="p">)</span> <span class="o">-&gt;</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">    Complement to the pitch shifting algorithm, that modifies the formants of the</span>
<span class="sd">    pitch-shifted signal to match them with those of the original signal.</span>

<span class="sd">    Parameters</span>
<span class="sd">    -------