Update README.md

README.md

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+
+# Vocos: Closing the gap between time-domain and Fourier-based neural vocoders for high-quality audio synthesis
+
+[Audio samples](https://charactr-platform.github.io/vocos/) |
+Paper [[abs]](https://arxiv.org/abs/2306.00814) [[pdf]](https://arxiv.org/pdf/2306.00814.pdf)
+
+Vocos is a fast neural vocoder designed to synthesize audio waveforms from acoustic features. Trained using a Generative
+Adversarial Network (GAN) objective, Vocos can generate waveforms in a single forward pass. Unlike other typical
+GAN-based vocoders, Vocos does not model audio samples in the time domain. Instead, it generates spectral
+coefficients, facilitating rapid audio reconstruction through inverse Fourier transform.
+
+## Installation
+
+To use Vocos only in inference mode, install it using:
+
+```bash
+pip install vocos
+```
+
+If you wish to train the model, install it with additional dependencies:
+
+```bash
+pip install vocos[train]
+```
+
+## Usage
+
+### Reconstruct audio from EnCodec tokens
+
+Additionally, you need to provide a `bandwidth_id` which corresponds to the embedding for bandwidth from the
+list: `[1.5, 3.0, 6.0, 12.0]`.
+
+```python
+vocos = Vocos.from_pretrained("charactr/vocos-encodec-24khz")
+
+audio_tokens = torch.randint(low=0, high=1024, size=(8, 200))  # 8 codeboooks, 200 frames
+features = vocos.codes_to_features(audio_tokens)
+bandwidth_id = torch.tensor([2])  # 6 kbps
+
+audio = vocos.decode(features, bandwidth_id=bandwidth_id)
+```
+
+Copy-synthesis from a file: It extracts and quantizes features with EnCodec, then reconstructs them with Vocos in a
+single forward pass.
+
+```python
+y, sr = torchaudio.load(YOUR_AUDIO_FILE)
+if y.size(0) > 1:  # mix to mono
+    y = y.mean(dim=0, keepdim=True)
+y = torchaudio.functional.resample(y, orig_freq=sr, new_freq=24000)
+
+y_hat = vocos(y, bandwidth_id=bandwidth_id)
+```
+
+## Citation
+
+If this code contributes to your research, please cite our work:
+
+```
+@article{siuzdak2023vocos,
+  title={Vocos: Closing the gap between time-domain and Fourier-based neural vocoders for high-quality audio synthesis},
+  author={Siuzdak, Hubert},
+  journal={arXiv preprint arXiv:2306.00814},
+  year={2023}
+}
+```
+
+## License
+
+The code in this repository is released under the MIT license.