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---
license: other
license_name: per-voice-open-licences
license_link: https://huggingface.co/PYTHAI/voaice/blob/main/piper/LICENSE.md
tags: [text-to-speech, tts, piper, onnx, voaice, voice, mindx]
language: ["bn", "ca", "cs", "de", "el", "en", "es", "et", "eu", "fa", "fi", "fr", "hy", "it", "kk", "lt", "lv", "mr", "ne", "nl", "no", "pl", "pt", "sl", "sv", "te", "uk", "ur", "zh"]
library_name: piper
pipeline_tag: text-to-speech
---

# voaice

**The voice of an AI, written down and checkable.** voaice is the voice stack of [mindX](https://mindx.pythai.net):
speech in, speech out, measured throughout. It gives a machine a voice, says the realm's names the way their
owners say them, and proves which voice made a recording.

This repository is voaice's **voice library**: 70 open-licensed [Piper](https://github.com/rhasspy/piper)
voices in 29 language families (4.62 GB), kept here so a mindX node holds only the voices it
speaks with and fetches any other on demand.

## Free for anyone to use

The voices in [`piper/`](piper/) are here **for anyone to use**: download one, run it with
[Piper](https://github.com/rhasspy/piper), build on it. Each voice keeps its own open licence, the licence of the
dataset its speakers recorded, and the folder's [official licences](piper/LICENSE.md) list every voice under its
licence with a link to the legal code. They are **Piper's voices**, not ours: credit Piper and the dataset named in
each voice's `MODEL_CARD`.

## What voaice is

| part | what it does | code |
|---|---|---|
| **the stack** | in-house DSP, torch-free neural TTS and zero-shot cloning, a non-destructive editor, quality-tiered WAV/OGG export, the `/voicey` surface | [Professor-Codephreak/voaice](https://github.com/Professor-Codephreak/voaice) |
| **identity** | a `.voaice` is a voice's identity card: model, measurements, and an 18-decimal **vprint** (eight acoustic metrics, SHA-256/512, uint256) that Python and the browser compute identically | [cryptoAGI/voaice](https://github.com/cryptoAGI/voaice) |
| **pronunciation** | one respelling table every engine applies to the text it speaks: realm names, then the bankML register (scientific, technical, financial), each entry measured with espeak-ng and versioned | [PRONUNCIATION.md](https://github.com/cryptoAGI/voaice/blob/main/PRONUNCIATION.md) |
| **OVERLORD** | the voice of the OVERLORD: two neural voices in unison, aligned frame by frame (DTW + WSOLA, residual lag 0–10 ms), with an octave and a fifth below, presence harmonics and a diffuse hall without a single echo | [hear v3](https://deltaverse.pythai.net/audio/samples/overlord-v3-presence.opus) |
| **this library** | the open piper voices, unchanged, with their licences and cards | here |

voaice is the **voice** peer of [faicey](https://github.com/Professor-Codephreak/faicey) (the face); with a
`.persona` they compose [aivatar](https://github.com/Professor-Codephreak/aivatar), a person's AI model that looks,
speaks and thinks. Staged together the suite is **ollywoo**, the Hollywood of AI avatars, inside the
[DeltaVerse](https://deltaverse.pythai.net), where **irecto** (the director) deploys the finished personas.

## Hear it

- [rage.pythai.net](https://rage.pythai.net): every article read aloud from pre-rendered audio. Press LISTEN for
  the audio deck; [OVERLORD of the DeltaVerse](https://rage.pythai.net/overlord-of-the-deltaverse/) opens in the
  OVERLORD voice, and [Three readers, one voice](https://rage.pythai.net/three-readers-one-voice/) explains the readers.
- [**playdocs**](https://deltaverse.pythai.net/playdocs): any document read in any voice of the cast, with a voice studio,
  a waveform editor and device rendering. A voice your machine can speak as itself is synthesised and encoded on your
  own processor, inside a budget you set (processor, memory and graphics, 0–100 % to 18 decimals); the host renders
  the rest.
- [deltaverse.pythai.net/voices](https://deltaverse.pythai.net/voices): the cast · [/listen](https://deltaverse.pythai.net/listen): the reader.
- [The render ledger](https://deltaverse.pythai.net/audio/ledger.txt): every rendered article, measured — duration against word count, bytes against duration, said right or said wrong.

## Use a voice

```python
from huggingface_hub import hf_hub_download
onnx = hf_hub_download("PYTHAI/voaice", "piper/en_US/ryan/high/en_US-ryan-high.onnx")
cfg  = hf_hub_download("PYTHAI/voaice", "piper/en_US/ryan/high/en_US-ryan-high.onnx.json")
# echo "Hello" | piper --model <onnx> --output_file out.wav
```

Or with voaice's own fetcher, which refuses any voice not classed open and checks every file's md5:
`python3 voaice/scripts/piper_voices_hub.py fetch en_US-ryan-high`.

## Attribution: these voices are Piper's

Every voice here was trained and published by the **Piper** project and its contributors:
[rhasspy/piper](https://github.com/rhasspy/piper) (Michael Hansen and contributors; Piper is MIT-licensed). They
are redistributed **unchanged** from [rhasspy/piper-voices](https://huggingface.co/rhasspy/piper-voices). Each voice keeps the licence of the
dataset its speakers recorded, and the original `MODEL_CARD` (dataset, licence, training notes) sits beside every
model exactly as upstream ships it. When you use a voice, credit the dataset named in its card and Piper.
See [`LICENSE.md`](LICENSE.md) (licences grouped) and [`NOTICE`](NOTICE).

## Only open licences, and why most English voices are missing

Of the 177 voices in the upstream catalogue, a voice is carried here only if **both** its own licence and,
when it is "fine-tuned from" another voice, its parent's are open: CC0, public domain, CC BY, CC BY-SA,
Apache-2.0, MIT, Unlicense or GPL/AGPL. The following are left out:

- non-commercial voices (CC BY-NC);
- the lessac / CSTR Blizzard 2013 research-only voices, and every voice **fine-tuned from lessac**, which is most of the English ones;
- voices whose licence reads only "See URL" or "Unknown".

The full classification of all 177 voices, with the licence text each decision was read from, is
[`piper-voices.json`](piper-voices.json). Copyleft voices (GPL, AGPL, CC BY-SA) keep their share-alike terms in
anything built from them. If a classification is wrong, or you hold an excluded voice whose terms allow
redistribution, open a discussion.

## The voices

English 11 · Dutch 7 · French 5 · Spanish 5 · Ukrainian 5 · German 4 · Kazakh 3 · Basque 2 · Catalan 2 · Farsi 2 · Greek 2 · Italian 2 · Swedish 2 · Telugu 2 · Urdu 2 · Armenian 1 · Bengali 1 · Chinese 1 · Czech 1 · Estonian 1 · Finnish 1 · Latvian 1 · Lithuanian 1 · Marathi 1 · Nepali 1 · Norwegian 1 · Polish 1 · Portuguese 1 · Slovenian 1

`piper/<locale>/<voice>/<quality>/` holds `<key>.onnx`, `<key>.onnx.json` and `MODEL_CARD`: the upstream tree minus
the language-family directory, every file matching the md5 upstream publishes in `voices.json`.

| voice | language | quality | speakers | licence (from the card) | upstream |
|---|---|---|---|---|---|
| `bn_BD-google-medium` | Bengali | medium | 16 | Attribution-ShareAlike 4.0 International | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/bn/bn_BD/google/medium/MODEL_CARD) |
| `ca_ES-upc_ona-x_low` | Catalan | x_low | 1 | CC BY-SA 3.0 ES | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/ca/ca_ES/upc_ona/x_low/MODEL_CARD) |
| `ca_ES-upc_pau-x_low` | Catalan | x_low | 1 | CC BY-SA 3.0 ES | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/ca/ca_ES/upc_pau/x_low/MODEL_CARD) |
| `cs_CZ-kasandra-medium` | Czech | medium | 1 | Creative Commons Attribution 4.0 International (CC BY 4.0) | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/cs/cs_CZ/kasandra/medium/MODEL_CARD) |
| `de_DE-kerstin-low` | German | low | 1 | CC0 | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/de/de_DE/kerstin/low/MODEL_CARD) |
| `de_DE-mls-medium` | German | medium | 236 | CC-BY 4.0 | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/de/de_DE/mls/medium/MODEL_CARD) |
| `de_DE-thorsten-low` | German | low | 1 | CC0 | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/de/de_DE/thorsten/low/MODEL_CARD) |
| `de_DE-thorsten_emotional-medium` | German | medium | 8 | CC0 | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/de/de_DE/thorsten_emotional/medium/MODEL_CARD) |
| `el_GR-rapunzelina-low` | Greek | low | 1 | CC0 | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/el/el_GR/rapunzelina/low/MODEL_CARD) |
| `el_GR-rapunzelina-medium` | Greek | medium | 1 | CC0 | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/el/el_GR/rapunzelina/medium/MODEL_CARD) |
| `en_GB-cori-high` | English | high | 1 | public domain | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/en/en_GB/cori/high/MODEL_CARD) |
| `en_GB-cori-medium` | English | medium | 1 | public domain | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/en/en_GB/cori/medium/MODEL_CARD) |
| `en_GB-southern_english_female-low` | English | low | 1 | CC-BY-SA 4.0 International | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/en/en_GB/southern_english_female/low/MODEL_CARD) |
| `en_US-bryce-medium` | English | medium | 1 | public domain | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/en/en_US/bryce/medium/MODEL_CARD) |
| `en_US-john-medium` | English | medium | 1 | public domain | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/en/en_US/john/medium/MODEL_CARD) |
| `en_US-kathleen-low` | English | low | 1 | CC0 | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/en/en_US/kathleen/low/MODEL_CARD) |
| `en_US-kristin-medium` | English | medium | 1 | public domain | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/en/en_US/kristin/medium/MODEL_CARD) |
| `en_US-libritts-high` | English | high | 904 | CC BY 4.0 | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/en/en_US/libritts/high/MODEL_CARD) |
| `en_US-ljspeech-high` | English | high | 1 | public domain | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/en/en_US/ljspeech/high/MODEL_CARD) |
| `en_US-ljspeech-medium` | English | medium | 1 | public domain | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/en/en_US/ljspeech/medium/MODEL_CARD) |
| `en_US-norman-medium` | English | medium | 1 | public domain | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/en/en_US/norman/medium/MODEL_CARD) |
| `es_ES-carlfm-x_low` | Spanish | x_low | 1 | Public domain | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/es/es_ES/carlfm/x_low/MODEL_CARD) |
| `es_ES-mls_10246-low` | Spanish | low | 1 | CC BY 4.0 | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/es/es_ES/mls_10246/low/MODEL_CARD) |
| `es_ES-mls_9972-low` | Spanish | low | 1 | CC BY 4.0 | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/es/es_ES/mls_9972/low/MODEL_CARD) |
| `es_MX-ald-medium` | Spanish | medium | 1 | http://unlicense.org | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/es/es_MX/ald/medium/MODEL_CARD) |
| `es_MX-claude-high` | Spanish | high | 1 | apache-2.0 | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/es/es_MX/claude/high/MODEL_CARD) |
| `et_EE-news-medium` | Estonian | medium | 4 | CC-BY (META-SHARE "Available - Unrestricted Use") | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/et/et_EE/news/medium/MODEL_CARD) |
| `eu_ES-antton-medium` | Basque | medium | 1 | Creative Commons Attribution 4.0 | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/eu/eu_ES/antton/medium/MODEL_CARD) |
| `eu_ES-maider-medium` | Basque | medium | 1 | Creative Commons Attribution 4.0 | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/eu/eu_ES/maider/medium/MODEL_CARD) |
| `fa_IR-ganji-medium` | Farsi | medium | 1 | CC0 | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/fa/fa_IR/ganji/medium/MODEL_CARD) |
| `fa_IR-ganji_adabi-medium` | Farsi | medium | 1 | CC0 | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/fa/fa_IR/ganji_adabi/medium/MODEL_CARD) |
| `fi_FI-harri-low` | Finnish | low | 1 | CC0 | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/fi/fi_FI/harri/low/MODEL_CARD) |
| `fr_FR-gilles-low` | French | low | 1 | CC0 | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/fr/fr_FR/gilles/low/MODEL_CARD) |
| `fr_FR-mls-medium` | French | medium | 125 | CC-BY 4.0 | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/fr/fr_FR/mls/medium/MODEL_CARD) |
| `fr_FR-mls_1840-low` | French | low | 1 | CC BY 4.0 | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/fr/fr_FR/mls_1840/low/MODEL_CARD) |
| `fr_FR-siwis-low` | French | low | 1 | CC-BY 4.0 | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/fr/fr_FR/siwis/low/MODEL_CARD) |
| `fr_FR-tom-medium` | French | medium | 1 | AGPLv3 | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/fr/fr_FR/tom/medium/MODEL_CARD) |
| `hy_AM-gor-medium` | Armenian | medium | 1 | GPL 2.0 | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/hy/hy_AM/gor/medium/MODEL_CARD) |
| `it_IT-serena-high` | Italian | high | 1 | CC-BY-4.0 | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/it/it_IT/serena/high/MODEL_CARD) |
| `it_IT-serena-medium` | Italian | medium | 1 | CC-BY-4.0 | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/it/it_IT/serena/medium/MODEL_CARD) |
| `kk_KZ-iseke-x_low` | Kazakh | x_low | 1 | CC-BY-4.0 | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/kk/kk_KZ/iseke/x_low/MODEL_CARD) |
| `kk_KZ-issai-high` | Kazakh | high | 6 | CC-BY-4.0 | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/kk/kk_KZ/issai/high/MODEL_CARD) |
| `kk_KZ-raya-x_low` | Kazakh | x_low | 1 | CC-BY-4.0 | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/kk/kk_KZ/raya/x_low/MODEL_CARD) |
| `lt_LT-reginute1-medium` | Lithuanian | medium | 1 | CC-BY-4.0 | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/lt/lt_LT/reginute1/medium/MODEL_CARD) |
| `lv_LV-aivars-medium` | Latvian | medium | 1 | CC0 1.0 Universal | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/lv/lv_LV/aivars/medium/MODEL_CARD) |
| `mr_IN-google-medium` | Marathi | medium | 9 | Attribution-ShareAlike 4.0 International | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/mr/mr_IN/google/medium/MODEL_CARD) |
| `ne_NP-google-x_low` | Nepali | x_low | 18 | CC-BY-SA-4.0 International | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/ne/ne_NP/google/x_low/MODEL_CARD) |
| `nl_BE-nathalie-x_low` | Dutch | x_low | 1 | CC0 | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/nl/nl_BE/nathalie/x_low/MODEL_CARD) |
| `nl_BE-rdh-medium` | Dutch | medium | 1 | CC0 1.0 Universal | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/nl/nl_BE/rdh/medium/MODEL_CARD) |
| `nl_BE-rdh-x_low` | Dutch | x_low | 1 | CC0 1.0 Universal | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/nl/nl_BE/rdh/x_low/MODEL_CARD) |
| `nl_NL-alex-medium` | Dutch | medium | 1 | CC0 | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/nl/nl_NL/alex/medium/MODEL_CARD) |
| `nl_NL-mls-medium` | Dutch | medium | 52 | CC-BY 4.0 | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/nl/nl_NL/mls/medium/MODEL_CARD) |
| `nl_NL-mls_5809-low` | Dutch | low | 1 | CC BY 4.0 | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/nl/nl_NL/mls_5809/low/MODEL_CARD) |
| `nl_NL-mls_7432-low` | Dutch | low | 1 | CC BY 4.0 | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/nl/nl_NL/mls_7432/low/MODEL_CARD) |
| `no_NO-nvcc-medium` | Norwegian | medium | 10 | CC0 | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/no/no_NO/nvcc/medium/MODEL_CARD) |
| `pl_PL-mls_6892-low` | Polish | low | 1 | CC BY 4.0 | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/pl/pl_PL/mls_6892/low/MODEL_CARD) |
| `pt_BR-edresson-low` | Portuguese | low | 1 | CC BY 4.0 | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/pt/pt_BR/edresson/low/MODEL_CARD) |
| `sl_SI-artur-medium` | Slovenian | medium | 1 | https://creativecommons.org/licenses/by/4.0/ | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/sl/sl_SI/artur/medium/MODEL_CARD) |
| `sv_SE-alma-medium` | Swedish | medium | 1 | The model weights are released under CC BY 4.0, following the license  | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/sv/sv_SE/alma/medium/MODEL_CARD) |
| `sv_SE-nst-medium` | Swedish | medium | 1 | CC0 | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/sv/sv_SE/nst/medium/MODEL_CARD) |
| `te_IN-padmavathi-medium` | Telugu | medium | 1 | CC-BY-4.0 | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/te/te_IN/padmavathi/medium/MODEL_CARD) |
| `te_IN-venkatesh-medium` | Telugu | medium | 1 | CC-BY-4.0 | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/te/te_IN/venkatesh/medium/MODEL_CARD) |
| `uk_UA-lada-x_low` | Ukrainian | x_low | 1 | Apache 2.0 | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/uk/uk_UA/lada/x_low/MODEL_CARD) |
| `uk_UA-mykyta-high` | Ukrainian | high | 1 | Apache 2.0 | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/uk/uk_UA/mykyta/high/MODEL_CARD) |
| `uk_UA-oleksa-high` | Ukrainian | high | 1 | Apache 2.0 | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/uk/uk_UA/oleksa/high/MODEL_CARD) |
| `uk_UA-tetiana-high` | Ukrainian | high | 1 | Apache 2.0 | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/uk/uk_UA/tetiana/high/MODEL_CARD) |
| `uk_UA-ukrainian_tts-medium` | Ukrainian | medium | 3 | CC0 | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/uk/uk_UA/ukrainian_tts/medium/MODEL_CARD) |
| `ur_PK-aegis_female-medium` | Urdu | medium | 1 | mit | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/ur/ur_PK/aegis_female/medium/MODEL_CARD) |
| `ur_PK-fasih-medium` | Urdu | medium | 1 | mit | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/ur/ur_PK/fasih/medium/MODEL_CARD) |
| `zh_CN-chaowen-medium` | Chinese | medium | 1 | CC0 | [card](https://huggingface.co/rhasspy/piper-voices/blob/main/zh/zh_CN/chaowen/medium/MODEL_CARD) |