ut
            `(...,)`
    &#34;&#34;&#34;
    # take the magnitude
    spec = torchaudio.functional.complex_norm(spec, power=self.power)

    # downmix in the mag domain to preserve energy
    if self.mono:
        spec = torch.mean(spec, 1, keepdim=True)

    return spec</code></pre>
</details>
</dd>
</dl>
</dd>
<dt id="openunmix.transforms.TorchISTFT"><code class="flex name class">
<span>class <span class="ident">TorchISTFT</span></span>
<span>(</span><span>n_fft: int = 4096, n_hop: int = 1024, ce