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Strategies for Accessible
Video Captioning
e-Accessibility Conference
March 18, 2013
Josh Miller
josh@3playmedia.com
Agenda
Captioning basics
Process
Accessibility legislation
Value propositions
Beyond captions
Demos
Open discussion
What Are Captions?

• Captions are text that is time-synchronized
with the media
• Captions convey all spoken content as well
as relevant sound effects
• Originated in the early 1980s from an FCC
mandate for broadcast TV
What Are Captions?

Terminology
• Captioning vs. Transcription
What Are Captions?

Terminology
• Captioning vs. Transcription
• Captioning vs. Subtitling
What Are Captions?

Terminology
• Captioning vs. Transcription
• Captioning vs. Subtitling
• Closed Captioning vs. Open Captioning
What Are Captions?

Terminology
• Captioning vs. Transcription
• Captioning vs. Subtitling
• Closed Captioning vs. Open Captioning
• Post Production vs. Real-Time
How Are Captions Used?
Accessibility Laws
Section 508
“All training and informational video and
multimedia productions must contain captions …”

Section 504
“No individual, solely by reason of her or his
disability…be denied the benefits of any program,
service, or activity…”
Accessibility Laws
Section 508
“All training and informational video and
multimedia productions must contain captions …”

Section 504
“No individual, solely by reason of her or his
disability…be denied the benefits of any program,
service, or activity…”

21st Century Communications & Video
Accessibility Act (CVAA)
“Closed captioning on video programming
delivered using internet protocol….”
Accessibility Laws
CVAA Phase-In Timeline
Phased In: All prerecorded programming that
is not edited for Internet distribution
Phased In: Live & near-live programming
originally broadcast on television.
Sep 30, 2013 : Prerecorded programming that
is edited for Internet distribution.
Mar 30, 2014: Archival programming
Value Propositions
• Accessible for deaf and hard of hearing
• For ESL viewers
• Flexibility to view anywhere, such as noisy
environments or offices
• Search
• Reusability
• Navigation, better UX
• SEO/discoverability
• Used as source for translation
Captioning Process

1. Upload

2. Download

3. Publish
Step 1. Upload Media Files
Step 2. Download Captions File
Step 3. Publish Captions
Captions Formats
Common Caption Formats
SRT

YouTube and other web players

DFXP

Flash players

SCC

iPods, iTunes, DVD encoding

SAMI

Windows Media

QT

QuickTime

STL

DVD Studio Pro

CPT.XML

Captionate

SBV

YouTube

RT

Real Media

WebVTT

Emerging HTML5

Custom XML

Custom formats

Custom Text

Custom formats

This image cannot currently be displayed.

Emerging standards for HTML5

SRT Example
Simplifying the Workflow
Video Player / Platform Integrations
Captions Plugin

• Works with most
video players

• SEO boost

• Searchable

• Free

• Supports multiple
languages

• Customizable
Transcript Alignment

Already have transcripts?
Fast, cost-effective way to get captions and use
interactive video plugins
Translation

• Integrated translation support
• From English to many languages
• Monitor real-time status
Beyond Captions
Demos

• Implementations of captions + transcripts
• Examples of automated captioning workflows
• Searchable, interactive video libraries
Results @ MIT OpenCourseWare

97% of students said interactive transcripts
enhanced their learning experience
Results @ MIT OpenCourseWare

97% of students said the interactive
transcripts were easy to use
Results @ MIT OpenCourseWare

95% of Students were able to find desired
content using the search features
Results @ MIT OpenCourseWare

Usefulness of interactive transcript
features
Results @ MIT OpenCourseWare

95% of students recommended that
interactive transcripts be added to all
OCW videos
Questions

Josh Miller
3Play Media
josh@3playmedia.com
Tel (617) 764-5189 x 102

Resources
http://www.3playmedia.com/how-itworks/overview/

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Strategies for Accessible Video Captioning