What is Captioning? Captions are text versions of the spoken word. Closed captions are very limited in their formatting, because the caption look, feel, and location are determined by the caption decoder built into the television set or web player; can usually be turned on or off. Open captions include the same text as closed captions, but the captions are a permanent part of the picture, and cannot typically be turned off.
Media is everywhere. The use of video in education is substantial and increasing
The value and impact extend beyond just making content accessible for the deaf. Most users are not deaf and hard of hearing, but use words to search, to reinforce language skills and to comprehend better.
Captioning: Web Accessibility Guidelines Captions should be: Synchronized - the text content should appear at approximately the same time that audio would be available Equivalent - content provided in captions should be equivalent to that of the spoken word Accessible- caption content should be readily accessible and available to those who need it
Transcripts Transcripts provide a textual version of the video content that can be accessed by anyone. Transcripts do not have to be verbatim accounts of the spoken word in a video. They can contain additional descriptions, explanations, or comments that may be beneficial.
Reasons for Writing Transcripts Transcripts… are needed to generate captions have value for all students are searchable
Audio Descriptions Audio descriptions provide additional information about what is visible on the screen. When captioning videos, keep in mind to also describe visual information with audio descriptions. Listen to a sample Audio Description in MP3 Format http://www.webaim.org/techniques/captions/media/audiodesc.mp3
Basic Captioning Process Produce a transcript of the audio portion of the video. Divide text into captions, observing guidelines about where to break sentences. (Some programs, like Camtasia, offer 3 lines of text per caption.) Synchronize captions to the video timeline. Export your video for the web or other output device.
Captioning in YouTube YouTube videos can be captioned, but they must be YOUR videos on YOUR YouTube account. How to Caption your YouTube Videos: http://help.youtube.com/support/youtube/bin/answer.py?answer=100077
Captioning in YouTube Log into YouTube & locate “My Videos” Select the video that you would like to caption Select the Edit button (see next slide)
Captioning in YouTube Select Captions and Subtitles Browse for the captioning file (.sub or .srt) Captions can be created in Notepad or by using another captioning program, like CaptionTube or Overstream.
CaptionTube With CaptionTube you can create captions for your YouTube videos. http://captiontube.appspot.com/ Things to consider: Sign in with a Google Account You must allow this program to have access to your YouTube account. Use Notepad to save your captioning files when exporting captions.
Overstream Easily create and synchronize your subtitles to any online video, store them on the Overstream server, and send the link to the subtitled video overstream to your friends. http://www.overstream.net Things to consider: You must create an Overstream account The following online videos are supported: YouTube, Google Video, MySpace Video, Dailymotion, Veoh, Blip.tv and Archive.org
Camtasia Camtasia is a program by TechSmith that allows you to caption your own videos. Things to consider: It costs $ money. Its relatively easy. It offers many types of video export options. Underpowered computers may cause problems when displaying the video.
MAGPie MAGpie is a free tool for creating caption files that can be utilized by media players. http://ncam.wgbh.org/webaccess/magpie/magpie2_download.html Things to consider: You can caption stand-alone videos. (your own videos that are not on YouTube) Installation is complex. (needs 4 programs) Captioning is complex.
Speech Recognition Software Speech recognition software was designed to record the a person’s voice and convert it to text. Used by students in class to record lectures. Used by instructors to record their own lectures. Examples of Speech Recognition Software: Dragon Naturally Speaking IBM Embedded ViaVoice Windows Speech Recognition in Windows Vista
Speech Recognition Software Key Issues: Software cost Training time - it is necessary for each user to train speech recognition software to recognize his or her particular style of speech. Word error rate
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Outsource A common alternative to captioning your own video is to outsource the captioning process. Captioning Companies Automatic Sync Technologies LNS Captioning http://www.lnscaptioning.com/ Closed Caption Maker http://www.ccmaker.com/ Speche (real time captioning) http://www.speche.com/