audiolab

Audio processing monorepo for React Native and Expo — recording, analysis, visualization, and on-device speech processing across iOS, Android, and web.

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Formerly expo-audio-stream. See MIGRATION.md for upgrade steps.

Packages

Package	Description
@siteed/audio-studio	Core audio recording, analysis, and processing
@siteed/audio-ui	Skia-based audio visualization components
@siteed/react-native-essentia	Audio feature extraction via Essentia; deprecated: no longer maintained, kept for reference
@siteed/sherpa-onnx.rn	On-device speech-to-text and text-to-speech
@siteed/moonshine.rn	Moonshine speech transcription and intent recognition for iOS, Android, and web

Apps

Audio Playground

Full-featured demo app showcasing all packages — available on App Store and Google Play, or try the web version.

Other Apps

• Sherpa Voice — on-device speech recognition and TTS
• Essentia Demo — audio analysis with Essentia
• Minimal — bare-minimum integration example

Roadmap

• Dual audio stream (raw PCM + compressed)
• Call interruption handling
• On-device transcription via react-native-whisper
• Audio analysis in C++ (via react-native-essentia)
• Cross-platform device detection and selection
• Zero-latency recording (prepareRecording API)
• Sherpa-ONNX integration into audio-studio
• Speaker diarization example (in Sherpa Voice app)
• Custom VAD example app (integrated to audio playground)
• Cross-platform e2e validation for feature extraction

License

MIT — see LICENSE.

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_{Created by Arthur Breton}