Sebastian Krüger
d566a86c58
Added real-time multi-track audio mixing and playback: **useMultiTrackPlayer Hook:** - Real-time multi-track audio mixing with Web Audio API - Synchronized playback across all tracks - Dynamic gain control respecting solo/mute states - Per-track panning with constant power panning - Seek functionality with automatic resume - Playback position tracking with requestAnimationFrame - Automatic duration calculation from longest track - Clean resource management and cleanup **Features:** - ✅ Play/Pause/Stop controls for multi-track - ✅ Solo/Mute handling (if any track is soloed, only soloed tracks play) - ✅ Per-track volume control (0-1 range) - ✅ Per-track pan control (-1 left to +1 right) - ✅ Real-time parameter updates during playback - ✅ Seamless seek with playback state preservation - ✅ Automatic stop when reaching end of longest track **Audio Graph Architecture:** For each track: BufferSource → GainNode → StereoPannerNode → Destination The mixer applies: - Volume attenuation based on track volume setting - Solo/Mute logic (getTrackGain utility) - Constant power panning for smooth stereo positioning Next: Integrate multi-track UI into AudioEditor 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
Audio UI
A sophisticated browser-only audio editor built with Next.js 16, React 19, and Tailwind CSS 4.
Features (Planned)
- 100% Client-Side: All audio processing happens in your browser
- Multi-Track Editing: Professional multi-track audio editing
- Advanced Effects: EQ, compression, reverb, delay, and more
- Automation: Automate volume, pan, and effect parameters
- Recording: Record audio directly from your microphone
- Analysis Tools: Frequency analyzer, spectrogram, and loudness metering
- Export Formats: WAV, MP3, OGG, FLAC
- Project Management: Save and load complete projects
- Privacy-First: No uploads, all data stays local in your browser
Tech Stack
- Next.js 16 with React 19
- TypeScript 5
- Tailwind CSS 4 with OKLCH colors
- Web Audio API for audio processing
- Canvas API for waveform visualization
- IndexedDB for project storage
Getting Started
This project is currently in the planning phase. See PLAN.md for the complete implementation plan.
Development (Coming Soon)
# Install dependencies
pnpm install
# Run development server
pnpm dev
# Build for production
pnpm build
Inspiration
Inspired by AudioMass and professional DAWs like Ableton Live, Logic Pro, and FL Studio.
License
TBD
Contributing
This is a personal project, but suggestions and ideas are welcome!