---</span>
<span class="sd">    x : np.ndarray [shape=(N, )], real - valued</span>
<span class="sd">        Original input signal</span>

<span class="sd">    y : np.ndarray [shape=(N, )], real - valued</span>
<span class="sd">        Pitch-shifted signal</span>

<span class="sd">    ana_hop : int</span>
<span class="sd">        hop size of the STFT analysis and synthesis window</span>

<span class="sd">    win_length : int</span>
<span class="sd">        length of the analysis and synthesis window for STFT