Audio Control — Waveform Player with Region Selection [WINDOW TESTED ONLY]

Audio Control — Anki Add-on An Audacity-inspired audio player for Anki with waveform visualization , region selection , bookmarks , and auto-repeat — designed for language learners who need to replay specific audio segments. ✨ Features 🌊 Waveform Visualization Real-time waveform display computed from your audio files Gradient rendering with played/unplayed distinction Time ruler with tick marks at the bottom Hover tooltip shows time at cursor position Playback cursor with glow effect 🖱️ Region Selection Click and drag on the waveform to select any audio segment Selection shows start time, end time, and duration Play Selection button plays only the selected region Click anywhere on the waveform to seek 🔖 Region Bookmarks Save selections as bookmarks — each bookmark stores a start-end range Bookmarks are displayed as colored regions on the waveform (B1, B2, B3...) Navigate between bookmarks with buttons or keyboard shortcuts Delete individual bookmarks or clear all Persistent — bookmarks are saved per card and restored automatically 🔄 Auto Repeat Toggle repeat mode to loop the current selection or full audio Repeat counter shows how many times it has looped Works with both full audio and selected regions ⚡ Playback Speed Adjustable speed: 0.5x, 0.7x, 0.8x, 1.0x, 1.2x, 1.5x, 2.0x ⌨️ Keyboard Shortcuts All shortcuts use Shift+Key to avoid conflicts with Anki's built-in shortcuts. | Shortcut | Action | |---|---| | Shift + Space | Play / Pause | | Shift + S | Stop | | Shift + R | Toggle Auto-Repeat | | Shift + B | Save current selection as Bookmark | | Shift + D | Delete active bookmark | | Shift + ← | Jump to previous bookmark | | Shift + → | Jump to next bookmark | Restart Anki. Method 2: Using install.bat (Windows) Run install.bat from the source folder. Restart Anki. 🎯 How to Use Basic Playback Open any Anki card that has audio ( [sound:filename.mp3] ). The audio player with waveform will appear automatically. Click the ▶ Play button or press Shift+Space to play. Selecting a Region Click and drag on the waveform to highlight a segment. The selection appears as a yellow highlighted area. Click ⏩ Play Selection to play only the selected part. Enable 🔄 Repeat to loop the selection continuously. Using Bookmarks Select a region you want to remember (drag on waveform). Press Shift+B or click 🔖 to save it as a bookmark. Bookmarks appear as colored regions (peach, green, purple...). Use Shift+←/→ to navigate between bookmarks. Press Shift+D or click ❌ to delete the active bookmark. Bookmarks are saved permanently — they'll be there next time you review. Adjusting Speed Use the speed dropdown (right side) to slow down or speed up audio. Great for catching fast speech at 0.7x, then practicing at 1.0x. 🔧 Configuration Audio Player Position By default, the player appears above the card content. To move it below, edit __init__.py line ~469: # Player on top (default): return injection + html # Player on bottom: return html + injection Supported Audio Formats MP3, WAV, OGG, M4A, FLAC, AAC, WebM 🏗️ Technical Details No external dependencies — all rendering uses HTML5 Canvas Waveform computation — MP3 frames are parsed in Python to extract amplitude data Bookmark storage — saved as JSON in the add-on directory Compatible with Anki 2.1.x+ and Anki 25.x Cross-platform — works on Windows, macOS, and Linux 📄 License MIT License — free to use, modify, and distribute.

Min Anki	Max Anki	Updated
2.1.1	+	2026-03-27

Audio Control — Waveform Player with Region Selection [WINDOW TESTED ONLY]

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