Open Source Notices

OpenAI Whisper

Speech-to-text transcription

MIT

Project: https://github.com/openai/whisper
Used for: Speech-to-text transcription

Notice / License Reference

MIT License

Copyright (c) 2022 OpenAI

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.

PyTorch

Model runtime for Whisper inference

BSD-3-Clause

Project: https://pytorch.org/
Used for: Model runtime for Whisper inference

Notice / License Reference

BSD-3-Clause style licenses generally allow commercial use,
modification, and redistribution. The main obligations are:
- keep the copyright notice
- keep the license/disclaimer text
- do not use contributor names to endorse derived products without permission

NumPy

Numerical array operations in the ML/audio stack

BSD-style

Project: https://numpy.org/
Used for: Numerical array operations in the ML/audio stack

Notice / License Reference

NumPy is distributed under a BSD-style license and is commonly
used in commercial software. Some binary distributions bundle additional
runtime libraries with their own notices. If you distribute binaries, keep
those bundled notices available. For hosted SaaS use, this is usually a
notice/attribution issue, not a blocker to selling the product.

Numba

JIT acceleration used by the local transcription stack

BSD

Project: https://numba.pydata.org/
Used for: JIT acceleration used by the local transcription stack

Notice / License Reference

BSD-3-Clause style licenses generally allow commercial use,
modification, and redistribution. The main obligations are:
- keep the copyright notice
- keep the license/disclaimer text
- do not use contributor names to endorse derived products without permission

FFmpeg

Audio extraction, waveform generation, preview rendering, exports

LGPL / GPL depending on build flags

Project: https://ffmpeg.org/
Used for: Audio extraction, waveform generation, preview rendering, exports

Notice / License Reference

FFmpeg is generally available under LGPL-2.1-or-later.
If FFmpeg is built with --enable-gpl (or linked with GPL-only components),
that FFmpeg build is GPL-2.0-or-later instead.
See: https://ffmpeg.org/legal.html