Sebastian Krüger
beb7085c89
Implemented comprehensive real-time effect processing for multi-track audio: Core Features: - Per-track effect chains with drag-and-drop reordering - Effect bypass/enable toggle per effect - Real-time parameter updates (filters, dynamics, time-based, distortion, bitcrusher, pitch, timestretch) - Add/remove effects during playback without interruption - Effect chain persistence via localStorage - Automatic playback stop when tracks are deleted Technical Implementation: - Effect processor with dry/wet routing for bypass functionality - Real-time effect parameter updates using AudioParam setValueAtTime - Structure change detection for add/remove/reorder operations - Stale closure fix using refs for latest track state - ScriptProcessorNode for bitcrusher, pitch shifter, and time stretch - Dual-tap delay line for pitch shifting - Overlap-add synthesis for time stretching UI Components: - EffectBrowser dialog with categorized effects - EffectDevice component with parameter controls - EffectParameters for all 19 real-time effect types - Device rack with horizontal scrolling (Ableton-style) Removed offline-only effects (normalize, fadeIn, fadeOut, reverse) as they don't fit the real-time processing model. Completed all items in Phase 7.4: - [x] Per-track effect chain - [x] Effect rack UI - [x] Effect bypass per track - [x] Real-time effect processing during playback - [x] Add/remove effects during playback - [x] Real-time parameter updates - [x] Effect chain persistence 🤖 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!