Audio Recording & Speech-to-Text
Notely includes a dual-stream audio recording engine and speech-to-text pipeline for voice notes and conference call transcriptions.
1. Recording Modes
Trigger audio recording via Alt + V, the 🎙️ Record Audio toolbar button in the Markdown editor, or the Quick Capture Bar on the landing dashboard.
- Meeting Mode (Mic + System Loopback):
- Captures microphone input and Windows system audio (Zoom, Google Meet, Microsoft Teams, YouTube) concurrently.
- Merges both streams into a synchronized stereo track via Web Audio API.
- Microphone Only:
- Voice memo and dictation capture from your primary recording device.
- System Audio Only:
- Records desktop/speaker audio output without microphone commentary.
2. Speech-to-Text (STT) Engines
Configure STT preferences in AI -> AI Settings -> Speech-to-Text:
- Local ONNX Whisper (Offline):
- Runs on-device via WebAssembly/ONNX Runtime.
- Models:
whisper-tiny.en(~40MB),whisper-base.en(~140MB),whisper-small(~460MB). - Private, zero external network traffic.
- Cloud Whisper:
- High-throughput cloud transcription via Groq (
whisper-large-v3) or OpenAI (whisper-1). - Sub-second turnaround using your configured API keys.
- High-throughput cloud transcription via Groq (
3. Storage & Markdown Integration
- Asset Bundles: Audio and video recordings are stored inside isolated bundle directories:
- Audio:
{workspace}/media/audio/<recording_id>/<recording_id>.webm - Companion Transcripts:
{workspace}/media/audio/<recording_id>/transcript.json
- Audio:
- Editor Markdown Preview:
- Audio files render interactive player cards with waveform visualizers.
- Companion transcripts render rich
.markdown-transcript-cardelements with View, Copy Text/Markdown, and Download actions.
- Synchronized Transcript Drawer: Clicking any audio or video recording with companion transcript data opens the media player alongside an interactive, timestamp-synchronized side drawer.
4. Diagrams & Media Asset Manager Integration
- Filter by Audio, Videos, and Transcripts categories in
Workspace -> Diagrams & Media(Ctrl/Cmd + Alt + M). - On-Demand AI Transcript Generation (
✨): Run speech-to-text on any existing recording without re-recording. - Reference Tracking: View exactly which notes and lines reference the audio/video recordings and transcripts.