Product docs
Open-Source Licenses & Acknowledgements
Third-party speech, translation models and open-source components used in Audio Note, with author, source, license, and attribution, matching the in-app About list.
Open-Source Licenses & Acknowledgements
Local transcription and translation in Audio Note rely on many open-source models and components. Thank you to their authors.
This page uses the same data as Settings → About → Open-source licenses & acknowledgements in the app. Sources and licenses were verified in October 2026; the official project pages are authoritative.
Whisper models
| Name | Author | License | Source |
|---|---|---|---|
| Whisper (tiny / base / small / medium / large-v2 / large-v3 / large-v3-turbo) | OpenAI; GGML conversion by ggerganov/whisper.cpp | MIT | huggingface.co/ggerganov/whisper.cpp |
| Whisper Large-v3 Turbo Q5_0 | OpenAI; quantized by ggerganov/whisper.cpp | MIT | huggingface.co/ggerganov/whisper.cpp |
| Distil-Whisper (distil-small.en / distil-medium.en / distil-large-v2 / distil-large-v3.5) | Hugging Face (distil-whisper) | MIT | huggingface.co/distil-whisper |
| Belle-whisper-large-v3-turbo-zh | BELLE Group (BELLE-2) | Apache-2.0 | huggingface.co/BELLE-2/Belle-whisper-large-v3-turbo-zh |
| Belle-whisper-large-v3-turbo-zh (GGML Q5) | BELLE Group; quantized by uosx | Apache-2.0 | huggingface.co/uosx/Belle-whisper-large-v3-turbo-zh-ggml-quantized |
ML engine models
| Name | Author | License | Source |
|---|---|---|---|
| SenseVoice Small | FunAudioLLM, Tongyi Lab, Alibaba Group | FunASR Model License 1.1 | huggingface.co/FunAudioLLM/SenseVoiceSmall |
| Parakeet TDT 0.6B v3 | NVIDIA | CC-BY-4.0 | huggingface.co/nvidia/parakeet-tdt-0.6b-v3 |
| Qwen3-ASR | Qwen Team, Alibaba Cloud | Apache-2.0 | huggingface.co/Qwen/Qwen3-ASR-0.6B |
| Cohere Transcribe (cohere-transcribe-03-2026) | Cohere Labs | Apache-2.0 | huggingface.co/CohereLabs/cohere-transcribe-03-2026 |
| FireRedASR2 CTC | FireRedTeam | Apache-2.0 | github.com/FireRedTeam/FireRedASR2S |
| Moonshine Tiny (English) | Moonshine AI (Useful Sensors) | MIT | github.com/moonshine-ai/moonshine |
Realtime models
| Name | Author | License | Source |
|---|---|---|---|
| Streaming Zipformer English (2023-06-26) | k2-fsa (icefall / sherpa-onnx) | Apache-2.0 | huggingface.co/csukuangfj/sherpa-onnx-streaming-zipformer-en-2023-06-26 |
| Streaming Zipformer Russian (Vosk) | Alpha Cephei (alphacep) | Apache-2.0 | huggingface.co/alphacep/vosk-model-ru |
| Streaming Zipformer Korean (KsponSpeech, 2024-06-24) | johnBamma | Apache-2.0 | huggingface.co/johnBamma/icefall-asr-ksponspeech-zipformer-2024-06-24 |
| ReazonSpeech k2 v2 (Japanese) | Reazon Holdings (reazon-research) | Apache-2.0 | huggingface.co/reazon-research/reazonspeech-k2-v2 |
Translation models (OPUS-MT)
| Name | Author | License | Source |
|---|---|---|---|
| OPUS-MT ar-en | Helsinki-NLP (Language Technology Research Group, University of Helsinki) | Apache-2.0 | huggingface.co/Helsinki-NLP/opus-mt-ar-en |
| OPUS-MT cs-en | Helsinki-NLP (Language Technology Research Group, University of Helsinki) | Apache-2.0 | huggingface.co/Helsinki-NLP/opus-mt-cs-en |
| OPUS-MT da-en | Helsinki-NLP (Language Technology Research Group, University of Helsinki) | Apache-2.0 | huggingface.co/Helsinki-NLP/opus-mt-da-en |
| OPUS-MT de-en | Helsinki-NLP (Language Technology Research Group, University of Helsinki) | Apache-2.0 | huggingface.co/Helsinki-NLP/opus-mt-de-en |
| OPUS-MT en-ar | Helsinki-NLP (Language Technology Research Group, University of Helsinki) | Apache-2.0 | huggingface.co/Helsinki-NLP/opus-mt-en-ar |
| OPUS-MT en-cs | Helsinki-NLP (Language Technology Research Group, University of Helsinki) | Apache-2.0 | huggingface.co/Helsinki-NLP/opus-mt-en-cs |
| OPUS-MT en-da | Helsinki-NLP (Language Technology Research Group, University of Helsinki) | Apache-2.0 | huggingface.co/Helsinki-NLP/opus-mt-en-da |
| OPUS-MT en-de | Helsinki-NLP (Language Technology Research Group, University of Helsinki) | CC-BY-4.0 | huggingface.co/Helsinki-NLP/opus-mt-en-de |
| OPUS-MT en-es | Helsinki-NLP (Language Technology Research Group, University of Helsinki) | Apache-2.0 | huggingface.co/Helsinki-NLP/opus-mt-en-es |
| OPUS-MT en-fi | Helsinki-NLP (Language Technology Research Group, University of Helsinki) | Apache-2.0 | huggingface.co/Helsinki-NLP/opus-mt-en-fi |
| OPUS-MT en-fr | Helsinki-NLP (Language Technology Research Group, University of Helsinki) | Apache-2.0 | huggingface.co/Helsinki-NLP/opus-mt-en-fr |
| OPUS-MT en-hi | Helsinki-NLP (Language Technology Research Group, University of Helsinki) | Apache-2.0 | huggingface.co/Helsinki-NLP/opus-mt-en-hi |
| OPUS-MT en-hu | Helsinki-NLP (Language Technology Research Group, University of Helsinki) | Apache-2.0 | huggingface.co/Helsinki-NLP/opus-mt-en-hu |
| OPUS-MT en-id | Helsinki-NLP (Language Technology Research Group, University of Helsinki) | Apache-2.0 | huggingface.co/Helsinki-NLP/opus-mt-en-id |
| OPUS-MT en-it | Helsinki-NLP (Language Technology Research Group, University of Helsinki) | Apache-2.0 | huggingface.co/Helsinki-NLP/opus-mt-en-it |
| OPUS-MT en-jap | Helsinki-NLP (Language Technology Research Group, University of Helsinki) | Apache-2.0 | huggingface.co/Helsinki-NLP/opus-mt-en-jap |
| OPUS-MT en-nl | Helsinki-NLP (Language Technology Research Group, University of Helsinki) | Apache-2.0 | huggingface.co/Helsinki-NLP/opus-mt-en-nl |
| OPUS-MT en-ro | Helsinki-NLP (Language Technology Research Group, University of Helsinki) | Apache-2.0 | huggingface.co/Helsinki-NLP/opus-mt-en-ro |
| OPUS-MT en-ru | Helsinki-NLP (Language Technology Research Group, University of Helsinki) | Apache-2.0 | huggingface.co/Helsinki-NLP/opus-mt-en-ru |
| OPUS-MT en-sv | Helsinki-NLP (Language Technology Research Group, University of Helsinki) | Apache-2.0 | huggingface.co/Helsinki-NLP/opus-mt-en-sv |
| OPUS-MT en-uk | Helsinki-NLP (Language Technology Research Group, University of Helsinki) | Apache-2.0 | huggingface.co/Helsinki-NLP/opus-mt-en-uk |
| OPUS-MT en-vi | Helsinki-NLP (Language Technology Research Group, University of Helsinki) | Apache-2.0 | huggingface.co/Helsinki-NLP/opus-mt-en-vi |
| OPUS-MT en-zh | Helsinki-NLP (Language Technology Research Group, University of Helsinki) | Apache-2.0 | huggingface.co/Helsinki-NLP/opus-mt-en-zh |
| OPUS-MT es-en | Helsinki-NLP (Language Technology Research Group, University of Helsinki) | Apache-2.0 | huggingface.co/Helsinki-NLP/opus-mt-es-en |
| OPUS-MT fi-en | Helsinki-NLP (Language Technology Research Group, University of Helsinki) | Apache-2.0 | huggingface.co/Helsinki-NLP/opus-mt-fi-en |
| OPUS-MT fr-en | Helsinki-NLP (Language Technology Research Group, University of Helsinki) | Apache-2.0 | huggingface.co/Helsinki-NLP/opus-mt-fr-en |
| OPUS-MT hi-en | Helsinki-NLP (Language Technology Research Group, University of Helsinki) | Apache-2.0 | huggingface.co/Helsinki-NLP/opus-mt-hi-en |
| OPUS-MT hu-en | Helsinki-NLP (Language Technology Research Group, University of Helsinki) | Apache-2.0 | huggingface.co/Helsinki-NLP/opus-mt-hu-en |
| OPUS-MT id-en | Helsinki-NLP (Language Technology Research Group, University of Helsinki) | Apache-2.0 | huggingface.co/Helsinki-NLP/opus-mt-id-en |
| OPUS-MT it-en | Helsinki-NLP (Language Technology Research Group, University of Helsinki) | Apache-2.0 | huggingface.co/Helsinki-NLP/opus-mt-it-en |
| OPUS-MT ja-en | Helsinki-NLP (Language Technology Research Group, University of Helsinki) | Apache-2.0 | huggingface.co/Helsinki-NLP/opus-mt-ja-en |
| OPUS-MT ko-en | Helsinki-NLP (Language Technology Research Group, University of Helsinki) | Apache-2.0 | huggingface.co/Helsinki-NLP/opus-mt-ko-en |
| OPUS-MT nl-en | Helsinki-NLP (Language Technology Research Group, University of Helsinki) | Apache-2.0 | huggingface.co/Helsinki-NLP/opus-mt-nl-en |
| OPUS-MT pl-en | Helsinki-NLP (Language Technology Research Group, University of Helsinki) | Apache-2.0 | huggingface.co/Helsinki-NLP/opus-mt-pl-en |
| OPUS-MT ru-en | Helsinki-NLP (Language Technology Research Group, University of Helsinki) | CC-BY-4.0 | huggingface.co/Helsinki-NLP/opus-mt-ru-en |
| OPUS-MT sv-en | Helsinki-NLP (Language Technology Research Group, University of Helsinki) | Apache-2.0 | huggingface.co/Helsinki-NLP/opus-mt-sv-en |
| OPUS-MT th-en | Helsinki-NLP (Language Technology Research Group, University of Helsinki) | Apache-2.0 | huggingface.co/Helsinki-NLP/opus-mt-th-en |
| OPUS-MT tr-en | Helsinki-NLP (Language Technology Research Group, University of Helsinki) | Apache-2.0 | huggingface.co/Helsinki-NLP/opus-mt-tr-en |
| OPUS-MT uk-en | Helsinki-NLP (Language Technology Research Group, University of Helsinki) | Apache-2.0 | huggingface.co/Helsinki-NLP/opus-mt-uk-en |
| OPUS-MT vi-en | Helsinki-NLP (Language Technology Research Group, University of Helsinki) | Apache-2.0 | huggingface.co/Helsinki-NLP/opus-mt-vi-en |
| OPUS-MT zh-en | Helsinki-NLP (Language Technology Research Group, University of Helsinki) | CC-BY-4.0 | huggingface.co/Helsinki-NLP/opus-mt-zh-en |
Libraries
| Name | Author | License | Source |
|---|---|---|---|
| whisper.cpp | Georgi Gerganov and contributors | MIT | github.com/ggml-org/whisper.cpp |
| sherpa-onnx | k2-fsa | Apache-2.0 | github.com/k2-fsa/sherpa-onnx |
| ONNX Runtime | Microsoft | MIT | github.com/microsoft/onnxruntime |
Attribution notices
The licenses of the following items require or recommend attribution. Verbatim:
- Whisper (tiny / base / small / medium / large-v2 / large-v3 / large-v3-turbo): Whisper models by OpenAI, released under the MIT License.
- Belle-whisper-large-v3-turbo-zh: Belle-whisper-large-v3-turbo-zh by BELLE Group, licensed under Apache-2.0.
- SenseVoice Small: SenseVoice Small, developed by FunAudioLLM (Tongyi Lab, Alibaba Group), source: https://github.com/FunAudioLLM/SenseVoice. Used under the FunASR Model Open Source License Agreement v1.1. Converted to ONNX and quantized by the k2-fsa/sherpa-onnx project; repackaged for download by Audio Note.
- Parakeet TDT 0.6B v3: parakeet-tdt-0.6b-v3 by NVIDIA, licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Modified: Converted to ONNX and quantized by the k2-fsa/sherpa-onnx project; repackaged for download by Audio Note.
- OPUS-MT en-de: opus-mt-en-de by Helsinki-NLP, licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Modified: converted to ONNX and quantized by Xenova (https://huggingface.co/Xenova/opus-mt-en-de).
- OPUS-MT ru-en: opus-mt-ru-en by Helsinki-NLP, licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Modified: converted to ONNX and quantized by Xenova (https://huggingface.co/Xenova/opus-mt-ru-en).
- OPUS-MT zh-en: opus-mt-zh-en by Helsinki-NLP, licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Modified: converted to ONNX and quantized by Xenova (https://huggingface.co/Xenova/opus-mt-zh-en).
Upstream license not stated
The models below can be downloaded in the app, but the upstream author has not stated a license, so they are not in the acknowledgement table. They will be added after a license is confirmed.
- Whisper Chinese fine-tunes (tiny.zh / base.zh / small.zh / medium.zh / large-v3.zh / large-v3-turbo.zh): Self-hosted at download.audionote.app. No upstream repository or license statement was found. Checked 2026-10-17.
- Streaming Zipformer Chinese (multi-zh-hans-2023-9-2) (huggingface.co/zrjin/sherpa-onnx-zipformer-multi-zh-hans-2023-9-2): The Hugging Face model card does not state a license. Checked 2026-10-17.
- Streaming Zipformer Chinese-English (zh-en-2023-11-22) (huggingface.co/zrjin/icefall-asr-zipformer-multi-zh-en-2023-11-22): The Hugging Face model card does not state a license. Checked 2026-10-17.
