Third-party notices This application includes bundled code from the following third-party packages. pitchy https://github.com/ianprime0509/pitchy Copyright 2018-2021 Ian Johnson 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. fft.js https://github.com/indutny/fft.js Copyright Fedor Indutny, 2017. 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. mediabunny https://github.com/Vanilagy/mediabunny Copyright (c) 2026-present, Vanilagy and contributors This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0. If a copy of the MPL was not distributed with this file, You can obtain one at https://mozilla.org/MPL/2.0/. @mediabunny/mp3-encoder https://github.com/Vanilagy/mediabunny/tree/main/packages/mp3-encoder Copyright (c) 2026-present, Vanilagy and contributors This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0. If a copy of the MPL was not distributed with this file, You can obtain one at https://mozilla.org/MPL/2.0/. The @mediabunny/mp3-encoder package uses a WebAssembly build of the LAME MP3 Encoder under the hood. LAME MP3 Encoder https://lame.sourceforge.io/ LAME is licensed under the GNU Lesser General Public License. License information: https://lame.sourceforge.io/license.txt demucs-web https://github.com/timcsy/demucs-web MIT License Copyright (c) 2024 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. ONNX Runtime Web https://github.com/microsoft/onnxruntime Copyright (c) Microsoft Corporation. All rights reserved. Licensed under the MIT License. The vocal extraction model file is not bundled with this application. It is loaded at runtime from the default Hugging Face URL documented by demucs-web: https://huggingface.co/timcsy/demucs-web-onnx/resolve/main/htdemucs_embedded.onnx Additional bundled/transitive packages introduced by ONNX Runtime Web include: - onnxruntime-common: MIT - long: Apache-2.0 - platform: MIT - protobufjs: BSD-3-Clause - flatbuffers: Apache-2.0 - guid-typescript: ISC onnxcrepe / CREPE ONNX models https://github.com/yqzhishen/onnxcrepe MIT License The CREPE pitch estimation model files are included in the published application at: public/models/crepe-small.onnx public/models/crepe-medium.onnx public/models/crepe-large.onnx public/models/crepe-full.onnx The bundled models are from: https://github.com/yqzhishen/onnxcrepe/releases/download/v1.1.0/small.onnx https://github.com/yqzhishen/onnxcrepe/releases/download/v1.1.0/medium.onnx https://github.com/yqzhishen/onnxcrepe/releases/download/v1.1.0/large.onnx https://github.com/yqzhishen/onnxcrepe/releases/download/v1.1.0/full.onnx onnxcrepe is based on CREPE and torchcrepe model weights and implementation. CREPE reference: J. W. Kim, J. Salamon, P. Li, and J. P. Bello, "Crepe: A Convolutional Representation for Pitch Estimation," ICASSP 2018. RMVPE model https://huggingface.co/lj1995/VoiceConversionWebUI MIT License The RMVPE pitch estimation model file is included in the published application at: public/models/rmvpe.onnx RMVPE reference implementation: https://github.com/Dream-High/RMVPE RMVPE browser integration was informed by rmvpe-onnx: https://github.com/NewComer00/rmvpe-onnx BS-RoFormer ONNX model https://huggingface.co/xycld/BS-RoFormer-ONNX MIT License The optional BS-RoFormer vocal separation model is not committed to this Git repository. For local development it can be generated under: public/models/bs-roformer-fp16-webgpu.onnx The upstream project recommends checking training-data conditions before commercial use.