Getting Started
- Introduction
  - About CaptionHub
  - Key concepts / glossary
- Interface overview
  - Dashboard
  - Project page
  - Caption Editor
  - Projects page
- Team settings
  - Team settings overview
  - Review and approve
  - Enterprise security features
  - Defaults for captions
  - Transcription
  - Languages
- First steps
  - Upload a video
  - Create original captions
- SSO setup
  - Setting up SSO
Training videos
- Intro
  - CaptionHub overview
- Tutorials
  - Tutorial: Handover
  - Tutorial: Managing users
  - Tutorial: Team Settings
  - Tutorial: Interface overview
  - Tutorial: Configuring caption limits
  - Tutorial: Creating your first project and original captions
  - Tutorial: Creating original captions - Uploading timed text
  - Tutorial: Creating original captions - Importing a transcript
  - Tutorial: Using the editor - Introduction to the timeline
  - Tutorial: Using the editor - Editing captions in the spreadsheet
  - Tutorial: Translating in CaptionHub - Using Machine Translation (MT)
  - Tutorial: Automation
  - Tutorial: Integrations Overview
  - Tutorial: Phrase with Automation
  - Tutorial: Live transcript widget
Projects, users & teams
- Projects
  - Creating a project
  - Edit Project Info
  - Advanced options
  - Organising projects: tags and tagging
  - Replacing project video
  - Deleting a project
  - Archiving a project
  - Video and audio format support
- Users
  - User roles
  - Creating users
  - Editing Users
  - Permissions matrix
  - Resetting users' passwords
  - Setting up MFA
  - Enforcing MFA
  - Resetting MFA
Creating and editing captions
- Creating original captions
  - Create original captions
  - Auto transcribe
  - Importing a transcript
  - Create captions from timed text
  - Starting from scratch
  - Caption limits
  - Custom dictionaries
  - Custom dictionary examples
  - Speaker detection
  - Source propagation
  - Caption track 2
  - Automatic identification of on-screen text
- Using the editor
  - Interface overview
  - Adjusting captions in the timeline
  - Adjusting captions in the spreadsheet
  - Warnings and limits
  - Exporting with validation warnings / errors
  - Keyboard shortcuts
  - Spellcheck in CaptionHub
  - Project metadata
  - Caption metadata
  - Re-align captions
  - Find & replace
- Translating in CaptionHub
  - Supported translation engines
  - Using Machine Translation (MT)
  - Using termbases
  - Pivot languages
Workflow & collaboration
- CaptionHub workflows
  - Workflows overview
  - Direct assignment workflow
  - Direct assignment with review workflow
  - Self serve workflow
  - Self serve with review workflow
  - Claim expiry
  - Assignment limiting
  - Approving a captionset
  - Handing over a captionset
- Translating outside of CaptionHub
  - Phrase connector
  - Round tripping timed text
- Collaboration
  - Segmentation and simultaneous translation
  - Adding Producers to a Project
  - Managing viewing / editing permissions for linguists
  - Notes and commenting
- Tracking activity
  - Snapshots
  - Activity logs
  - Status icons
- Teams
  - Teams overview
  - Multiple teams
- Automation
  - Automation overview
  - Setting up Automation templates
  - Setting up Automation templates with CaptionHub Connect
Connectors
- Overview
  - Managing connectors
- Video platforms
  - Brightcove
  - Qumu VCC
  - Qumu Cloud
  - JW Player
  - Configure the Mux connector
  - Vimeo
  - YouTube
  - Cloudflare Stream
  - Google Drive
  - Kaltura
- MT engines
  - Amazon Translate
  - Language Weaver
  - DeepL
  - Google Translate
- TMS connectors
  - Phrase
  - Trados
- API
  - API documentation
  - Webhooks
Exporting finished work
- Subtitle export
  - Export timed text
  - Subtitle formats
  - Creating burnt-in subtitles
  - Formatting burnt-in subtitles
  - Custom fonts for burnt-in subtitles
- CaptionHub Voiceover
  - CaptionHub Voiceover
  - Voice dictionaries
- Creating deliverables
  - Exporting burnt-in subtitles with Adobe Premiere
  - Creating movies with embedded subtitle tracks
- Publishing from CaptionHub
  - Publishing subtitles and Voiceover
  - Language labels
Analytics
- First steps
  - Analytics overview
  - Using Analytics
CaptionHub Live
- Live captioning
  - Introduction to live captions
  - Improve captioning and translation quality
  - Selecting which captions to show
  - Export VTTs from a live stream
  - Speaker detection in live streams
  - Select the audio track for transcription
  - Display audio events
  - Primary and secondary transcription services
  - Known issues with live captions
- Supported HLS streams
  - Supported HLS streams
  - Live captions for a Brightcove Live stream
  - Live captions for a Mux stream
  - Live captions for a AWS MediaPackage HLS stream
  - Live captions for a Cloudflare Live stream
- HLS integration
  - Introduction to HLS integration
  - Integrate captions into your HLS stream
  - Use a modified HLS manifest from CaptionHub
- Plugin integration
  - Integrate using the CaptionHub Live plugin
  - Brightcove plugin support for live captions
  - Video.js plugin support for live captions
  - THEOplayer plugin for live captions
  - HLS.js plugin for live captions
  - Mux plugin for live captions
  - Live transcript widget
- API integration
  - Integrate with the API
  - Downloading captions via our API
  - Receive new captions via a webhook
- Brightcove Live
  - Import a Brightcove Live project into CaptionHub
  - Requirements for a Brightcove Live stream
  - Configure the CaptionHub Live plugin for the Brightcove player
  - Update the CaptionHub plugin in Brightcove
  - Brightcove Live pre-flight checklist - before you start a stream
  - Increase the HLS segment size in Brightcove
CaptionHub Connect
- Overview
  - What is CaptionHub Connect?
  - CaptionHub Connect for clients
  - CaptionHub Connect for vendors
  - CaptionHub Connect with Automation
FAQ and Troubleshooting
- Frequently asked questions
  - Using CaptionHub
  - Billing
  - Security
  - Infrastructure
  - Service & support
  - Cookies
  - Email notifications
  - Subtitle specifications / style guides
- Troubleshooting
  - Accessing browser data
  - Resetting your browser
  - Text encoding
  - External resources
More

Live captions for a Brightcove Live stream

How to live caption a HLS stream from Brightcove

Last updated on December 10, 2024

CaptionHub Live integrates deeply with Brightcove. Once you’ve configured a player, you’ll be able to add captions to a livestream without any making any changes.

Limitations

CaptionHub Live is supported on the Brightcove Live 1.0 and Live 2.0 platform.

Getting started

Before starting a stream, first configure your Brightcove player with the CaptionHub Live plugin.

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Supported HLS streams Live captions for a Mux stream