4;&#34;&#34;Multichannel Inverse-Short-Time-Fourier functional
    wrapper for torch.istft to support batches
    Args:
        STFT (Tensor): complex stft of
            shape (nb_samples, nb_channels, nb_bins, nb_frames, complex=2)
            last axis is stacked real and imaginary
        n_fft (int, optional): transform FFT size. Defaults to 4096.
        n_hop (int, optional): transform hop size. Defaults to 1024.
        window (callable, optional): window function
        center (bool, optional): If