captionhub AI

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Getting Started

About CaptionHub
Key concepts / glossary
Deployment options

Interface overview

Sidebar navigation
Dashboard
Project page
Caption Editor
Projects page

General
Workflow
Roles & permissions
Security
Caption settings
Transcription
Translation
Voiceover
API keys
Languages
Tags

Upload a video
Create original captions

Setting up SSO
Setting up SCIM

Training videos

CaptionHub overview

Tutorial: Applying caption formatting
Tutorial: Audio events for Live
Tutorial: Automation
Tutorial: CaptionHub Connect
Tutorial: CaptionHub Connect with Automation
Tutorial: Configuring caption limits
Tutorial: Create a custom dictionary
Tutorial: Create, export, and publish voiceover
Tutorial: Creating original captions - Importing a transcript
Tutorial: Creating original captions - Uploading timed text
Tutorial: Creating your first project and original captions
Tutorial: Endonym support for language labels
Tutorial: Exporting finished work
Tutorial: Handover
Tutorial: Integrations overview
Tutorial: Interface overview
Tutorial: Live transcript widget
Tutorial: Managing connectors
Tutorial: Managing format templates
Tutorial: Managing users
Tutorial: Natural Captions
Tutorial: Phrase with Automation
Tutorial: Set Live translation provider
Tutorial: Setting a default caption template
Tutorial: Setting a format template in automations
Tutorial: Supported languages in CaptionHub
Tutorial: Team Settings
Tutorial: Translating in CaptionHub - Using Machine Translation (MT)
Tutorial: Using the editor - Editing captions in the spreadsheet
Tutorial: Using the editor - Introduction to the timeline
Tutorial: Voiceover editor

Projects, users & teams

Creating a project
Edit project info
Advanced options
Folders
Filters and Views
Organising projects: tags and tagging
Replacing project video
Deleting a project
Duplicating a project
Archiving a project
Video and audio format support

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
Substitution dictionaries
Speaker detection
Source propagation
Caption track 2
Automatic identification of on-screen text
Natural Captions
Frame-based on-screen text capture

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)
Automatic machine translation QA
Using termbases
Pivot languages
Supported languages
Translation view

Formatting captions

Applying caption formatting
Managing format templates
Setting a default template
Setting a format template in automations

Voiceover

Voiceover interface overview
CaptionHub Voiceover
Voiceover editing
Voice dictionaries
Voice cloning
Add ElevenLabs Voices to your Voice library

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
Trados connector
Round tripping timed text

Segmentation and simultaneous translation
Add a producer to a project
Assigning producers to Timbra projects
Managing viewing / editing permissions for linguists
Notes, comments and project notes

Tracking activity

Snapshots
Activity logs
Status badges

Teams overview
Multiple teams

Automation overview
Setting up Automation templates
Managing Automation templates
Applying Automation templates
Setting up Automation templates with CaptionHub Connect

Connectors

Managing connectors

Video platforms

OVPs matrix
Configure the Amazon S3 connector
Configure the Brightcove connector
Configure the Cloudflare Stream connector
Configure the Google Drive connector
Configure the Iconik connector
Configure the JW Player connector
Configure the Kaltura connector
Configure the Microsoft Sharepoint Connector
Configure the Mux connector
Configure the Qumu Cloud connector
Configure the Qumu VCC connector
Configure the Vimeo connector
Configure the YouTube connector
Displaying CaptionHub captions on SharePoint and OneDrive videos

Amazon Transcribe
Bytedance ASR (beta)
ElevenLabs ASR
Scriptix (Whisper)
Speechmatics

Amazon Translate
Amazon Translate with Translation Memory (beta)
DeepL Translate
Google Translate
Language Weaver
OpenAI Translate (beta)
Systran

Crowdin
LILT
Phrase
Smartling
Trados
XTM

AWS Bedrock
Comprehend
OpenAI
Rekognition

Amazon Polly
ElevenLabs
Azure (beta)

Custom integrations

Unlock CaptionHub’s full potential with custom integrations

CaptionHub Connect

Connect vendors
Notes, comments and project notes with Connect

Exporting finished work

Subtitle export

Export timed text and transcripts
Subtitle and transcript formats
Generating burnt-in subtitles
Custom fonts for burnt-in subtitles

Creating deliverables

Exporting burnt-in subtitles with Adobe Premiere
Creating movies with embedded subtitle tracks
Creating voiceover deliverables
Creating summaries

Publishing from CaptionHub

Publishing subtitles and Voiceover
Language labels

VOD transcript widget

VOD transcript widget for Brightcove

Analytics

Analytics overview
Using Analytics

Timbra

Introduction to Timbra

Configure a live project

Improving live caption quality
Translation providers and languages
Select the audio track for transcription
Speaker detection in live streams
Caption positioning
Display live audio events
Primary and secondary transcription services
Control who can see captions & transcript
Control Timbra via the API
Control Timbra from a mobile device

Operate a live event

The lifecycle of a Timbra project
Select which captions to show
Troubleshoot an event
Export VTTs from a live stream
Translation analysis view

Using a HLS stream as a source
Live captions for a Brightcove Live stream
Live captions for a Mux live stream
Live captions for an AWS MediaPackage HLS stream
Live captions for a Cloudflare Live stream
Live captions for a Wowza Cloud stream
Caption video streams with multi-track audio

Input: RTMP/SRT

Stream to Timbra using RTMP or SRT
SRT source configuration
RTMP source configuration

Output: captions via plugin

Integrate using the Timbra 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

Output: captions via HLS integration

Introduction to HLS output
Integrate captions into your HLS manifest
Use a modified HLS manifest from CaptionHub
Recommendations for redundant stream variants
Use Mimic URLs

Output: In-room transcripts

Introduction to in-room transcription
Configure the in-room display
Use the in-room companion
Generate AI summaries
Live transcript widget

Output: captions via API

Receive captions via a WebSocket connection

Output: captions to YouTube

Publish captions to the YouTube API

Platform integrations

Brightcove: import a Brightcove Live project into Timbra
Brightcove: configure the Timbra plugin for the Brightcove player
Brightcove: Update the Timbra plugin in Brightcove
Brightcove: Increase the HLS segment size in Brightcove
Microsoft Teams: realtime transcription and translation
Zoom: realtime transcription and translation
Set up streaming from Castr

Enhanced support

Requests for Pager Duty
Slack channels

How browsers display captions natively
Solution guide: securing captions using a proxy
Recommendations for styling captions
Limits and quota
Known issues

CaptionHub Connect

What is CaptionHub Connect?
CaptionHub Connect for clients
CaptionHub Connect for vendors
CaptionHub Connect with Automation
CaptionHub Connect requests page

FAQ and Troubleshooting

Frequently asked questions

Using CaptionHub
Billing
Security
Infrastructure
Service & support
Cookies
Email notifications
Subtitle specifications/style guides
Custom Development Requests

Troubleshooting

Accessing browser data
Resetting your browser
Text encoding
External resources

Developers

Get started with our API
Create an API key
Webhooks
Starter guide: caption a video using the API

Login
Submit a ticket

API docs
Feature updates
Training videos
Twitter
Status

Training videos

CaptionHub overview

Last updated on August 4, 2021

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Setting up SCIM Tutorial: Applying caption formatting

API docs
Feature updates
Training videos
Twitter
Status