Soundwalk open-source credits

Soundwalk application code: Copyright 2026 wenye li. Apache License 2.0.

MediaPipe Tasks Audio 1.1.0
Copyright The MediaPipe Authors. Apache License 2.0.
https://www.npmjs.com/package/@mediapipe/tasks-audio/v/1.1.0
https://github.com/google-ai-edge/mediapipe
Runtime license: vendor/LICENSE
The runtime's README documents on-device input processing and performance/utilization metrics sent to Google. Soundwalk hosts the runtime and model on its own origin and uses Content-Security-Policy connect-src 'self' to block connections to other origins. No external CDN or API is needed for model inference.

YAMNet classification model
Copyright Google. Apache License 2.0.
https://www.kaggle.com/models/google/yamnet/tfLite/classification-tflite/1
https://storage.googleapis.com/mediapipe-models/audio_classifier/yamnet/float32/1/yamnet.tflite
https://github.com/tensorflow/models/tree/master/research/audioset/yamnet
License included: models/LICENSE
521 broad sound-event classes. Scores are not calibrated probabilities. This is not a bird species classifier.

Birdsong reference audio
"Birds 2" by jmiddlesworth. CC0 1.0.
Original: https://freesound.org/people/jmiddlesworth/sounds/364663/
License: https://creativecommons.org/publicdomain/zero/1.0/
Redistributed original source: https://github.com/IBM/MAX-Audio-Classifier/blob/master/samples/birds2.wav
Source credits: https://github.com/IBM/MAX-Audio-Classifier/blob/master/samples/README.md
Modification: first 8 seconds extracted, original channel layout and sample rate retained.

Rain reference audio
"Rain, Moderate, C.wav" by InspectorJ (www.jshaw.co.uk). CC BY 4.0.
Original: https://freesound.org/people/InspectorJ/sounds/401275/
License: https://creativecommons.org/licenses/by/4.0/
Redistributed original source: https://github.com/IBM/MAX-Audio-Classifier/blob/master/samples/rain.wav
Source credits: https://github.com/IBM/MAX-Audio-Classifier/blob/master/samples/README.md
Modification: first 8 seconds extracted, original channel layout and sample rate retained. No endorsement by the creator is implied.

Synthetic rain-like test audio
Generated using seeded filtered noise for this project. CC0 1.0.
This is a test signal, not an outdoor field recording.