# Third-party notices
## Project source license
The source code authored for `typed-voice` is distributed under Apache License 2.0. The top-level `LICENSE` does not relicense model weights, datasets, voice corpora, generated voice rights, or separately licensed third-party assets.
## VocoLoco
The OmniVoice browser-worker design, duration-estimation approach, and related implementation ideas are adapted from `Magkino/vocoloco_tts`, which is distributed under Apache License 2.0. Modified code in this repository is not a verbatim copy of its worker.
## OmniVoice implementation references
The split-runtime design follows OmniVoice and public ONNX conversion work as implementation references. No public OmniVoice checkpoint is exposed as an executable PoC voice. The PoC accepts only converted artifacts originating from the pinned Tsukuyomichan full-finetune checkpoint.
## Tsukuyomichan OmniVoice Full Finetune
The selected first conversion target is `kizuna-intelligence/tsukuyomichan-omnivoice-full-finetune`, pinned to revision `c1d7ff9477d0b21f220c58070da63355f69607e9`. The model repository labels its license as `other` and requires compliance with the Tsukuyomichan Corpus terms for corpus-derived portions. The repository also imposes restrictions on generated audio and requires attribution when a model, demo, or application is published. This project does not currently redistribute converted full-finetune runtime artifacts.
Required corpus identification used by this application: `つくよみちゃんコーパス（CV: 夢前黎）`, © Rei Yumesaki. Corpus terms and the full required publication credit are available from `https://tyc.rei-yumesaki.net/material/corpus/` and the pinned model card.
## Higgs Audio 2
The OmniVoice audio decoder uses Higgs Audio 2 materials under the Boson Higgs Audio 2 Community License Agreement, which incorporates the Meta Llama 3 Community License Agreement. Copies are included as `licenses/BOSON-HIGGS-AUDIO-2-LICENSE.txt` and `licenses/META-LLAMA-3-LICENSE.txt`. The Boson agreement contains attribution, redistribution, acceptable-use, and additional commercial conditions; those terms apply independently of the project Apache-2.0 license.
## VOICEVOX Kanalizer
The English-word pronunciation normalization PoC uses `VOICEVOX/kanalizer` as the `third_party/kanalizer` Git submodule pinned to upstream commit `98758acdc6cb80611958ade58cb05191e2658462`, distributed under the MIT License, Copyright (c) 2025 VOICEVOX. Browser-specific changes are maintained separately as the Git patch `patches/kanalizer-browser.patch`; the upstream submodule is not modified in place. The distributed license copies are `licenses/VOICEVOX-KANALIZER-LICENSE.txt` and `licenses/KANALIZER-RUST-LICENSES.md`. The production binary known-word index is generated on the GitHub Actions CPU runner from `VOICEVOX/kanalizer-dataset` revision `21fc9ccf25d3b18030d3e0db3bf5994229fae697` (`v3`), which is also distributed under the MIT License. This is the dataset revision used to train Kanalizer model v5. `VOICEVOX/kanalizer-model` v5 is also distributed under the MIT License, Copyright (c) 2025 VOICEVOX. The Kanalizer model itself is not redistributed with this repository or embedded in the WASM; during the online setup for offline voice use, the browser obtains the upstream `VOICEVOX/kanalizer-model` v5 model directly from Hugging Face, verifies the LFS SHA-256 reported by the unauthenticated Hugging Face model API, and stores the verified model in a Service Worker-preserved Cache Storage entry for later offline use. Rust dependency notices for the browser WASM are regenerated from the pinned submodule plus `patches/kanalizer-browser.patch`, with the same `external_model` feature and `wasm32-unknown-unknown` target, by `npm run licenses:kanalizer`.
## Piper Plus legacy code
The existing Piper Plus code remains in `third_party/piper-plus` and `src/engine/piper-engine.js` as legacy repository code. Its upstream licenses remain applicable to that submodule and its dependencies. It is not reachable as an alternative voice from the current PoC.
## Openclipart cursor hand
The tutorial's scroll illustration includes geometry from Openclipart `cursor-hand`, uploaded by `radacina` on 2008-10-10. Openclipart states that its clipart is released under Creative Commons Zero 1.0 / into the public domain and may be modified and used in applications, including commercially. The downloaded source SVG and provenance note are retained under `third_party/not-covered-by-project-license/`; this asset is not relicensed by the project's top-level Apache-2.0 license.
## Openclipart mouse icon
The tutorial's scroll illustration also includes geometry from Openclipart `Mouse icon`, uploaded by `Anonymous` on 2006-12-26. The downloaded SVG itself declares the Openclipart public-domain license and permits reproduction, distribution, and derivative works. The source SVG and provenance note are retained under `third_party/not-covered-by-project-license/`; this asset is not relicensed by the project's top-level Apache-2.0 license.