Video Annotation Tool

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Play videos and record native speaker descriptions of each.
Keep simple project info in a built‑in metadata editor.
Export all your recordings (and metadata) in one step.
Open recordings in Ocenaudio for trimming, normalizing, and fine‑tuning.
Combine all WAV files into a single audio file with subtle click markers between items.
Choose your language for the interface.

Prepare a folder with your video files (MP4, MOV, AVI, MKV, etc.).
Open the app and click “Select Folder”. Pick your video folder.
Select a video from the list to preview the first frame.
Press “Record Audio” to capture your native-speaker description; press again to stop and save. The app saves a WAV with the same name as the video.
Use “Export Recorded Data” to copy all WAVs and metadata.txt to a folder of your choice.

Download the .dmg above and open it.
Drag “Video Annotation Tool.app” into Applications.
On first launch, you may need to allow it in System Settings → Privacy & Security.

Folder display: The app shows the current project folder at the top; hover to see the full path.
Video preview & playback: Pick a video to preview the first frame and play/stop as needed.
Audio notes: Record a short WAV per video. If a file exists, the app will ask before overwriting.
Metadata: Edit project info in the side panel; it’s saved to metadata.txt in your folder.
Open in Ocenaudio: Launch all WAVs in Ocenaudio for further editing.
Export / Import: Export all WAVs + metadata, or import WAVs that match your video names.
Join WAVs: Make a single WAV of all items, with subtle click separators between each clip.
Languages: Use the top dropdown to switch the interface language.

Microphone access: If recording is silent or fails, check your OS microphone permissions for the app.
macOS cannot open the app: Right‑click the app → Open, or allow it in Privacy & Security and try again.
No videos listed: Confirm the folder contains supported video files (e.g., .mp4, .mov).
Need help? Visit the issue tracker.