why taking accessibility into account while producing videos ?

Why taking accessibilityinto account while producing videos ?

Sébastien Delorme – Atalan

Tuesday, July 06th 2010

Sébastien Delorme

Accessibility expert & consultant

Atalan – www.atalan.fr

Member of Paris Webwww.paris-web.fr

Member of AccessiWeb working group www.accessiweb.org

So what exactly constitutes an accessible video ?

So what exactly constitutes an accessible video ?

captions but…

So what exactly constitutes an accessible video ?

…readable captions

So what exactly constitutes an accessible video ?

…synchronised readable captions

So what exactly constitutes an accessible video ?

…synchronised readable closed captions

So what exactly constitutes an accessible video ?

Synchronised closed captions

To enable to people who are deaf or hard of hearing

to watch videos

In France, 4 million of people who are hard of hearing including 450,000

with severe disabilities.

INSEE – HID survey 1999 (update scheduled for July 2010)

captions convey not only the content of spoken dialogue

but also equivalents for non-dialogue audio information needed to understand

the content, including sound effects, music, laughter, speaker identification

and location

scary music ♪

captions convey not only the content of spoken dialogue

but also equivalents for non-dialogue audio information needed to understand

the content, including sound effects, music, laughter, speaker identification

and location

creaking door…

That is why it is important to have closed captions that can be turned on and off

For a high accessibility level provide sign language interpretation

Sign languages are independent languages and are different in each country

Other benefits of captioning

Low quality audio

Other benefits of captioning

Langues étrangères (foreign languages)

So what exactly constitutes an accessible video ?

synchronised audio description

Audio description : narration added to the soundtrack to describe

important visual details that cannot be understood from the main

soundtrack alone

Mr. Tek – software architect

« On screen, Mr. Tek, software architect »

« Man talking on a public phone »

So what exactly constitutes an accessible video ?

text transcription

Justin Eckhouse, CNET, 2009Source : http://www.w3.org/WAI/bcase/resources.html

30% increase in traffic from Google after CNET started providing transcripts

“We saw a significant increase in SEO referrals when we launched an HTML version of our site, the major component of which was our transcripts.”

Others benefits for users

indexing of video content

Example : http://france24.demos.voxalead.labs.exalead.com

Questions ?

Sébastien DelormeAccessibility expert & consultant, Atalan

sdelorme@atalan.fr

CreditsAll photos used in this presentation are licensed under Creative Commons and posted on Flickr.

Thank you to : big-film, Biblioteca de Arte-Fundação Calouste Gulbenkian, barb_ar, Troy Holden, Lord Jerome, Nej!B, agat_a, Ezu, jcoterhals, Caro Wallis

The font used on theses slides is Ingleby is available on Dafont.