Retooling the captioning workflow for mobile learning NMC Summer 2006 Jeremiah Parry-Hill, Ian Webber Rochester Institute of Technology

Mobile Learning Provides students with a variety of courseware delivery options Allows access to media on multiple devices Makes production process more complex and expensive

Multivariate Analysis Our first attempt at mobile delivery Exploration to move away from costly CD production Streamed, Downloaded, on CD and Podcast Students preferred to download entire lectures for local viewing

Captioning Process

Making multiple formats work Use batch compress for your video Reuse caption data Embedded captions limit your options

Tools MacCaption Magpie CaptionKeeper Automatic Sync

Podcast Captioning Convert QTText to a.mov Add to Selection & Scale Reposition caption field Export as iPod video

RIT Flash Captioning Simplify production process Reuse caption data Give the viewer a user-friendly interface Uses XML to make player extremely flexible

Flash Captioning Convert QTText to XML Create XML for media Select player Post file

Future Features? Persistent user preferences (size, color, number of caption lines) Better scaling of player and captions Build an authoring tool for creating caption XML files Add hooks to display captions from FLV cue points Internationalization support

The Future Interactive web apps (AJAX, etc.) Crowdsourcing - group edit Putting the tools in the hands of the faculty More sophisticated search Voice recognition

Questions? Jeremiah Parry-Hill Ian Webber