Uploaded June 2026 | Updated September 2026, 3 weeks ago

---

Make your video content more accessible with generated subtitles — a powerful new feature that can transcribe spoken audio or translate subtitles from another language, using on-device models. Explore caption style preview, which lets people customize and preview subtitle styles during playback, and dive into implementation details for AVKit, AVPlayerLayer, and the Media Accessibility framework.

Explore related documentation, sample code, and more:
What's new in HTTP Live Streaming: developer.apple.com/streaming/Whats-new-HLS.pdf

00:00 - Introduction
01:10 - Media authoring
02:14 - Subtitle generation methods
03:03 - Availability and support
04:31 - Presenting subtitles in your app
05:39 - Subtitle style preview
08:55 - Demo
10:20 - Next steps

More Apple Developer resources:
Video sessions: apple.co/VideoSessions
Documentation: apple.co/DeveloperDocs
Forums: apple.co/DeveloperForums
App: apple.co/DeveloperApp