VOICES_LICENSE.md

Voice Licenses

This project includes open-source TTS voices. Below is the documentation of included voices and their original licenses.

Project License

MIT License - See LICENSE file in the project root.

Included Voices

English (US)

Voice ID	Model	Quality	Original License	Dataset
lessac-en	en_US-lessac-high	High	MIT	LJ Speech
amy-en	en_US-amy-medium	Medium	MIT	LJ Speech
ryan-en	en_US-ryan-medium	Medium	MIT	Personal

Spanish (Mexico)

Voice ID	Model	Quality	Original License	Dataset
claude-es	es_MX-claude-high	High	MIT	Personal
ald-mx	es_MX-ald-medium	Medium	MIT	Personal

Spanish (Spain)

Voice ID	Model	Quality	Original License	Dataset
davefx-es	es_ES-davefx-medium	Medium	MIT	MLS
mls-es	es_ES-mls_9972-low	Low	MIT	MLS

Original Datasets

LJ Speech Dataset

• License: Public Domain
• Source: https://keithito.com/LJ-Speech-Dataset/
• Content: 13,100 short audio clips of a single speaker reading passages from 7 non-fiction books

MLS (Multilingual LibriSpeech)

• License: CC BY 4.0
• Source: https://github.com/facebookresearch/mls
• Content: Speech data in multiple languages

VCTK (Voice Cloning Toolkit)

• License: CC BY-NC-SA 4.0 (NON-COMMERCIAL)
• Source: https://datashare.ed.ac.uk/handle/10283/2950
• Note: Voices trained with VCTK are NOT included in this project

Inactive Voices

The voices robot-en and robot-es are configured but disabled (active: false) for testing purposes.

Notes

1. Commercial Use: All active voices in this project have licenses that allow commercial use (MIT or Public Domain).

2. Attribution: When using this project, attribution to the original voice and dataset creators is recommended.

Sources

• Piper Voices: https://huggingface.co/rhasspy/piper-voices
• Piper Documentation: https://github.com/rhasspy/piper