dow for ISTFT</span>

<span class="sd">    win_beta : int</span>
<span class="sd">        exponent of sin^beta window</span>

<span class="sd">    Fs : int</span>
<span class="sd">        sampling rate</span>

<span class="sd">    zero_pad : int</span>
<span class="sd">        For IFFT. Number of zeros padded to the window to increase the fft size</span>

<span class="sd">    num_of_iter : int</span>
<span class="sd">        number of iterations for synthesis</span>

<span class="sd">    orig_sig_len : int<