Yes, VIDIZMO offers real-time closed captioning for Live Streams using Wowza Streaming Engine.

After you set up your Wowza CDN endpoints and Publishing Point, you will have to carry out a few steps to allow for Closed Caption ingestion in your live stream. These steps will help the engine know that closed captioning data shall be received along with the stream.

For more information, see: Closed Captioning for Live Streams.