Learn the basics of how to add closed captions to online video to make it fully accessible, searchable, and SEO-friendly.

1. Quick Start to
Captioning
✋ Type questions in the Q&A window during the presentation
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2. Hi, I’m Jaclyn.
Content Marketing Associate at 3Play Media
2
I write content on all things video accessibility.
Reach me at jaclyn@3playmedia.com
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3. Share your thoughts!
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4. On today’s agenda...
What are captions? 🔬
How do you create captions? ✍
Where do you publish captions? 🖥
Why should you caption? 👍
Who is 3Play Media? 🏢
Q&A

6. RELEVANT
sound effects

7. Live Captioning vs. Closed Captioning
In real-time
For live events like
webinars, streams,
classes, meetings, or
conferences
Automatic or
Stenographer
Slight delays
Computer processing or
stenographer typing

8. Captions vs. Subtitles vs. Transcripts
Captions assume the
viewer can’t hear the
audio.
Subtitles translate the
audio into another
language.
Transcripts contain
text of the audio that
isn’t time-coded.

9. So, how do you create
closed captions?

10. ● Do it yourself
● Use ASR (Automatic Speech
Recognition)
● Use a captioning vendor

11. How to create
captions: DIY
Set timings
Use a software or do it manually.
Convert format
Check which formats your video
player accepts.
Transcribe your video
Make sure to capture non-speech
elements & include speaker IDs.

13. Our Process
Human Editing Cleanup
Human Quality Review
Automatic Speech
Recognition

14. Let’s talk caption
quality.

15. Caption Quality
Matters
99% accuracy rate
15 errors total per 1,500 words.
Placement
Captions are typically placed in the
lower center of the screen, but should
be moved when obstructing visual
elements.
DCMP, FCC, and/or
WCAG standards

17. Note: For live captioning the accuracy is
usually over 90%

18. How do you publish
captions?

19. Publishing closed captions
Sidecar file Encoded captions Open captions Integrations

20. Why should you
caption?

21. ACCESSIBILITY
A11y

22. 41% of videos are incomprehensible
without sound or captions.

23. You’ll get more
website traffic
16% increase
In revenue earned by web pages with
video transcripts compared to those
without transcripts
135%
Greater organic traffic for videos
with captions according to
Facebook
92%
of consumers are watching video on
mobile with the sound off.

24. Captions improve brand recall, verbal
memory, and behavioral intent.

25. Video accessibility also benefits students
98.6%
Of students find
captions helpful
65%
Of students use
captions to help
them focus
75%
Of students that
use captions said
they use them as
a learning aid

29. Accessibility lawsuits to know
NAD v. Harvard & MIT
NAD argued that educational online videos should be constituted as a
public accomodation.
NAD v. Netflix
NAD argued that Netflix’s lack of closed captioning for streaming videos
was a violation of the ADA.

31. Captions, Subtitles, Transcription, & Audio
Description
Closed captioning
& Transcription
Subtitles &
Translation
Audio
Description
Live automatic
captioning

33. Goal: Make Accessible Video Easy
Online Account
System
Fast & Reliable
Turnaround
Automated
Workflows
One Click Video
Search Tools
Audio
Description

34. Online Certification
Video Accessibility Certification
Course available now!
→ 3playmedia.com/certification/
Browse our free
resources
Monthly Webinars
Taught by accessibility experts
Portal of Resources
Weekly blogs, free white papers,
checklists, and research studies

35. Take the State
of Captioning
Survey
Receive a full report on
this year’s outlook for
captioning.
Help determine
captioning trends for
2020.
Be entered to win a Bose
speaker or an Amazon
Echo.

36. Questions?
Comments?