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Video Captioning for Accessibility Storyboards by Stephani Roberts for Post University EDU623.

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Presentation on theme: "Video Captioning for Accessibility Storyboards by Stephani Roberts for Post University EDU623."— Presentation transcript:

1 Video Captioning for Accessibility Storyboards by Stephani Roberts for Post University EDU623

2 Video Captioning for Accessibility – whats covered: Key reasons why captioning is beneficial Laws and Guidelines around captioning Guidelines around writing captions – technique How to caption using Universal Subtitles online tool TechTV overview and login How to caption using Movie Captioner software Determine which tool works best for your workflow process Introduction No images here on this slide Welcome to Video Captioning for Accessibility. Today well be covering the following points. (Read bullet points aloud) Click to the next slide which includes a full frame video on YouTube. The instructor will click to begin the film after going through the Whats covered section. Slide 1 Onscreen Content Detailed Script Interactivity / Navigation

3 We think we know why were here, so lets have a look at this clip. Introduction No images here We think we know why were here today, right? Well, lets have a look at this clip. The image on the right is a short film called Say… What – it will be used to gain students attention. The film has no audio and the main character is signing using American Sign Language (ASL). Unless we know ASL we cant understand what hes saying. Frustration builds until about 26 seconds when the captions kick in. From there we see the protaganist explain and debate the advantages of captioning. Slide 2 Onscreen Content Detailed Script Interactivity / Navigation

4 We think we know why were here, so lets have a look at this clip. Introduction This is a full frame video on YouTube. It continues to play until it ends at 3:39 Slide 3 Onscreen Content Detailed Script Interactivity / Navigation

5 We think we know why were here, so lets have a look at this clip. Introduction The Deaf protaganist argues with his devil side whether or not he should caption his video. His Screw the audience...what have they done for you? message echoes the thoughts of many web video producers with regard to captioning. Slide 4 Onscreen Content Detailed Script Interactivity / Navigation

6 Captioning benefits and facts: Helps Deaf and hard of hearing audiences Reinforces learning for people developing their English language skills Helps in noisy areas such as restaurants or bars Increases search engine effectiveness in finding video content Users tend to watch captioned videos longer than uncaptioned Prediction By 2025 up to 40 Million Americans will have some hearing impairment Introduction Captions serve as a visual tool for the people who are deaf or hard of hearing. Captioning also can be used as a learning tool for people studying or developing their English language skills or when watching television in noisy places such as restaurants or bars. Studies and surveys have found that up to 35 million Americans are hearing impaired and that number is expected to increase to more than 40 million by Additionally, captions can increase search engine optimization by helping users find your video and captions tend to retain viewers and keep them viewing longer. Clip ends and instructor details the benefits of captions broadly. Slide 5 Onscreen Content Detailed Script Interactivity / Navigation

7 Lets open our first 2 minute clip. Go to Appications > Quicktime to launch Quicktime From Quicktime go to: File > open > desktop folder > sample clips Open clip-1-captioning.mov Introduction Computers should be turned on. Open the video clip on your desktop entitled video sample. We are going to spend the day learning how to caption and the benefits for doing so. By the end of the class you should be able to: List three key reasons why captioning is beneficial to any website that serves video. Successfully caption a two-minute video clip accurately. Determine an online or software workflow process for captioning content you own or are linking to from your site. The sample clip will be onscreen along with instructions for finding it. Slide 6 Onscreen Content Detailed Script sample video clip will go here sample video clip will go here Interactivity / Navigation

8 After reviewing the two minute clip in brief, we will navigate to Amaras Universal Subtitles site. Click on your bookmark for Amaras Universal Subtitles in your bookmarks bar Or enter Captioning can be completed on this site and use of this tool is FREE. The other tool well learn with is not. This tool does require an Internet connection. The other tool well learn with does not. Introduction Universal Subtitles is a free online captioning tool. Here you create an account, upload your video, and you can begin captioning videos within minutes. This site has a nice tutorial which well watch. Then, well upload our sample clip and get right to work on captioning. We all have the same two minute clip. So, we will be doing this together. Ill demonstrate the first 20 seconds of the clip and then youll begin to caption on your own. Barbara and I will be walking around the classroom and available for questions, but we expect everyone to caption the full two minute clip before we move on to the next section. You will have 40 minutes to complete this clip. This is where the instructor switches to the Chrome browsers and we all click to load the Amara Universal Subtitles site. Slide 7 Onscreen Content Detailed Script Interactivity / Navigation

9 Lets review Universal Subtitles video tutorial. Introduction Lets review Universal Subtitles video tutorial before getting started with captioning. This tutorial will be available to you to review anytime during your captioning today. For now, lets watch together on the large screen and Ill answer any questions you have after the clip. Then Ill show you the steps for the first 20 seconds of the clip. You may watch the tutorial again on your own machine before you begin captioning your clip. Instructor enters the url for the video clip that the class will be captioning and the Universal Subtitles tutorial is spawned. After instructor speaks she begins to play the tutorial. Slide 8 Onscreen Content Detailed Script Interactivity / Navigation

10 Questions? Lets begin. Introduction If anyone has questions or needs clarification please ask now. After questions, Ill show you once more how it works and then its your turn to dig and start captioning. For the sake of this storyboard Ive used a clip about Helen Keller and Annie Sullivan. In the real class the clip has not been sourced yet. However this clip is close to the content Id like to use. I want something thats relevant to accessibility and disabilities to reinforce awareness around the issue. Slide 9 Onscreen Content Detailed Script Interactivity / Navigation

11 Step 2: syncing the subtitles with the sound. Heres part 2 of the tutorial. Introduction Now that weve added some captions well move on to syncing the subtitles with the sound. Lets watch step 2. Instructor clicks the next step and we see the syncing process demonstrated. Slide 10 Onscreen Content Detailed Script Interactivity / Navigation

12 Questions on syncing the subtitles to the sound? Introduction If anyone has questions Ill take them now. Otherwise, Ill demonstrate how syncing works before we move to the final step. Instructor begins syncing the first few sentences of the clip before moving to the next step. Slide 11 Onscreen Content Detailed Script Interactivity / Navigation

13 Step 3: Reviewing the content and checking your work. Introduction Lets watch the final step and see whats left to learn before we complete this caption job. Instructor clicks step 3 to start the final tutorial clip. Slide 12 Onscreen Content Detailed Script Interactivity / Navigation

14 Questions on step 3? Introduction Any questions about the final step? Lets proceed and tidy up our work before we close out the captioning project and download the caption files for MIT TechTV. Instructor clicks to begin illustrating how to clean up typos and tighten up the timeline. Slide 13 Onscreen Content Detailed Script Interactivity / Navigation

15 Download the subtitles by pasting them into a text file i.e. Word or TextEdit. You should see something like this: Your code should look something like this: browser_id: aaa bc5894d1177d2f07d8688ed045b71 video_id: EtBIth5K8w7b session_pk: :59:59,000 --> 99:59:59,000 In this room sits a remarkable woman. She is Miss Helen Keller. Save this text file as Helen-capt.srt Note:.srt files are what TechTV uses to embed the subtitles in video. Introduction Well paste this information into Word and save the file as Helen-capt.srt. TechTV uses.srt files to match the subtitles to the video you upload to their site. This file includes important timing information that allows TechTV to sync the captions accurately. After we have the file saved well navigate to TechTV to upload the video and.srt files. Instructor clicks back to the browser and loads the URL shown on screen. All students must have an active MIT TechTV account set up prior to joining this class. Slide 13 Onscreen Content Detailed Script Interactivity / Navigation

16 Save the captions file and open the bookmark for MITs TechTV and login to your account. Go to: Now that weve saved the captions file as Helen-capt.srt we can upload the video clip we have on our desktop and upload our new.srt file to associate it with the video. Next, we can turn on the captions. Instructor navigates to the TechTV site, logs in and uploads both files. The next step is to associate the files and turn on captioning. After this step is complete students will begin captioning on their own and instructors will be available to help them through the 3-4 steps. Instructor will be available to demonstrate any onscreen steps as needed while students caption. All students will be wearing headphones while captioning, unless they are following along with the instructors recap. Slide 13 Onscreen Content Detailed Script Interactivity / Navigation

17 MovieCaptioner software is available as a stand alone software tool to create captions. Benefits of using software vs Universal Subtitles -No need to be connected to the Internet -No need to upload video files -Works with Mac and Windows -Good for use with longer video clips (greater than 15 minutes in length - without any technical issues -Creates multiple types of captions Introduction We spent time learning the basics of captioning with Universal Subtitles. Now were ready to learn about a separate tool thats useful for longer videos. MovieCaptioner software is a great choice for frequent captioning. Go to your desktop folder and click the MovieCaptioner icon to launch the tool. Instructor will illustrate the use of MovieCaptioner as she did with Universal Subtitles and students will export the final captioned.srt file to upload to TechTV. The process is identical and will offer students a way to repeat what theyve learned while familiarizing themselves with the nuances of this optional software tool. Slide 13 Onscreen Content Detailed Script Interactivity / Navigation

18 Introduction Slide 13 References Images Amara - universal subtitles. (2012). Retrieved from Iamhelenkeller. (2011). Helen keller speaks out [Web]. Retrieved from Kielbus, M. J. (2010). Say.. what!? [Web]. Retrieved from Mit techtv [Web]. (2011). Retrieved from Synchrimedia – MovieCaptioner (2012). Retrieved from


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