Video authoring tool

Media & source

Transcript

Edit captions in the video pane above — click any timestamp to seek, and edit a line to correct it. AI interaction generation reads this transcript, so accuracy matters. Generate or upload captions from the transcript pane's controls.

Captions edit beside the videoSentence boundaries auto-snap

Review & publish

Run the pre-publish checks, then use Save draft or Publish in the bar below. Blockers must be cleared or explicitly overridden before students see this video.

QA not run yet

Step 1: Stage Media Files

Drag files to create a new video, or load a published video to edit its interactions.

Load a published video from R2, or resume a video you sent for expert review
Drag .mp4, .vtt, and poster image here (or click to browse)
No files staged yet.

Step 2: Generate Interactions

Pick a content type and density, then generate AI-powered interactions. The transcript and “Generate captions with AI” now live in the Visual Timeline pane below — edit lines and generate captions right beside the video.

AI Interaction Generator

Content Type
Set in Video Metadata — it drives the auto-density & placement here.

R2 Media Library (Browse)

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