TUC 2012 Friday, April 20 th 9:15 – 10:00 Closed Captioning Best Practices

TUC 2012 Friday, April 20th 9:15 – 10:00

Closed Captioning Best Practices

Dr. Leyla Zhuhadar: Western Kentucky University

Western Kentucky University Leyla Zhuhadar

Established in1906 Bowling Green, KY Enrollment ~

21,000

Distance Learning: ~ 450 faculty ~ 400 online courses ~ 20% of total enrollment per year

Tegrity Usage @ WKU (2007-2012)

0

2000

4000

6000

8000

10000

12000

14000

5001,607

3,049 3,1793,668

1,670

13,673Number of Recordings by Faculties (2007-2012)

2007 2008 2009 2010 2011 2012 Grand total

Courses Used Tegrity = 1,496 Faculty Used Tegrity = 590 All-Time Total Recordings =

 30,391 Recording Hours =   8,194

Tegrity Usage @ WKU (2007-2012)

0

100000

200000

300000

400000

500000

600000

700000

4,301 29,266

160,294190,380 189,942

50,652

624,835

Number of Viewing by Students (2007-2012)

2007 2008 2009 2010 2011 2012 Grand total

Courses Used Tegrity = 1,496 Faculty Used Tegrity = 590 All-Time Total Recordings =

 30,391 Recording Hours =   8,194

Multimedia Usage @ WKU (2007-2012)

0

50000

100000

150000

200000

250000

300000

0 511

1,27963,474 65,690

2,203

133,157

Session DownloadsM4V DownloadsMP3 DownloadsPodcast Downloads

2007 2008 2009 2010 2011 2012 Grand total

Closed Captioning (2007-2012)

0500

1000150020002500300035004000

500

1,607

3,049 3,179 3,668

500704

1,810

486992

f(x) = 583.938598690172 x^1.26204834174111R² = 0.94338928083889

2007 2008 2009 2010 2011 2012

Closed Captioning (2007-2012)

Year# of

Recordings

# of Closed-captioned

Recordings Percentage2007 500 500 100%2008 1607 704 44%2009 3,049 1,810 59%2010 3,179 486 15%2011 3,668 992 27%2012 1,670 425 25%

Grand total 13,673 4,917 ?

Optimistic 45%

Real 36%

Why we caption with Tegrity?Remove Barriers to faculty for teaching online!

Made the decision to caption ALL Tegrity videos produced for distance learning courses

Ongoing (forever) process ADA 508 was a concern! And it is the right thing to do

How we caption with Tegrity

Transcription team: undergrad work-study students

Closed-Captioning

Why we caption with Tegrity?

Transcription team: use a “Wave pedal” start/stop speed, etc.

Transcription team: about 2-3x time, $10 per hour

Programmer team: about $15 per hour

Total Cost = ~$25

How we caption with Tegrity

Closed-Captioning

Closed-Captioning file requires time stamps

[00:00:00.000]This is a recording showing the use and features of the 3M projectors and smart boards.[00:00:05.000]Testing #2[00:00:10.000]testing #3

How we caption with Tegrity

We wrote a little closed-captioning “Time Stamper” Java program Takes text transcript and creates time stamped

cc input file (*.txt format) Enter the starting and ending times of the

lecture in the (HH:MM:SS) format Output file is caption.txt Download: Tutorial & Software (URL)

How we caption with Tegrity

Tegrity captioning solution Edit -> “Add Closed Captioning”

How we caption with Tegrity

Tegrity captioning solution Browse to the “caption.txt” file and add it to

caption the video

How we caption with Tegrity

How we caption with TegritySample Showcase Recordings: Legal Environment of Business

We mark a closed-captioned session (CC)

How we caption with Tegrity

Additional Benefits Can upload the closed-caption file as

additional learning resource for students in additional content section

Captioning makes it easier for students to learn spelling and obscure terms

Can translate transcripts and have subtitles (dual language lectures)

“Searchability”

Accuracy in sync & Pros/Cons Accuracy: Up- to-US!

By default is around 70-80% accuracy Enhancement: semi-automatic fix (available)

(3x time)

Pros: Cost: $25 100% accuracy in sync Money stays “in house” Students learn

Cons: Time consuming

What we’d like to see change

Moving the closed-captioning under the Instructional Video Mobile users can see closed captions Bigger space more text = higher

level of accuracy! Additional Contents:

Copied at the same time when a user copy a course: in compliance with sections 508 (actual script is included)

Panel Qs & As