Sebastian Krüger
ebfb4d3fff
Phase 2 Complete Features: - Web Audio API context management with browser compatibility - Audio file upload with drag-and-drop support - Audio decoding for multiple formats (WAV, MP3, OGG, FLAC, AAC, M4A) - AudioPlayer class with full playback control - Waveform visualization using Canvas API - Real-time waveform rendering with progress indicator - Playback controls (play, pause, stop, seek) - Volume control with mute/unmute - Timeline scrubbing - Audio file information display Components: - AudioEditor: Main editor container - FileUpload: Drag-and-drop file upload component - AudioInfo: Display audio file metadata - Waveform: Canvas-based waveform visualization - PlaybackControls: Transport controls with volume slider Audio Engine: - lib/audio/context.ts: AudioContext management - lib/audio/decoder.ts: Audio file decoding utilities - lib/audio/player.ts: AudioPlayer class for playback - lib/waveform/peaks.ts: Waveform peak generation Hooks: - useAudioPlayer: Complete audio player state management Types: - types/audio.ts: TypeScript definitions for audio types Features Working: ✓ Load audio files via drag-and-drop or file picker ✓ Display waveform with real-time progress ✓ Play/pause/stop controls ✓ Seek by clicking on waveform or using timeline slider ✓ Volume control with visual feedback ✓ Audio file metadata display (duration, sample rate, channels) ✓ Toast notifications for user feedback ✓ SSR-safe audio context initialization ✓ Dark/light theme support Tech Stack: - Web Audio API for playback - Canvas API for waveform rendering - React 19 hooks for state management - TypeScript for type safety Build verified and working ✓ 🤖 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!