# Third-Party Notices

The released weights are derivatives of MIT-licensed base models. Per the MIT License, the original
copyright and permission notices are reproduced below.

- `voice_armA_ema_2026-06-11.pt`, `voice_steer_ema_2026-06-17.pt` — fine-tuned from
  **AI4Bharat IndicF5** (https://huggingface.co/ai4bharat/IndicF5), MIT.
- `vocab.txt` — the tokenizer vocabulary from **AI4Bharat IndicF5**, MIT (redistributed unchanged so
  this release is self-contained; the IndicF5 model itself is not required or included).
- `voc_bigvgan_EMA_2026-06-11.pth` — fine-tuned from **NVIDIA BigVGAN-v2**
  (https://github.com/NVIDIA/BigVGAN), MIT.

The Vāgdhenu weights and the fine-tuning code are released under Apache-2.0 (see the repository).

---

## NVIDIA BigVGAN — MIT License

```
MIT License

Copyright (c) 2024 NVIDIA CORPORATION.

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
```

## AI4Bharat IndicF5 — MIT License

```
MIT License

Copyright (c) AI4Bharat

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
```