Building Community for Rich Media Notebooks: The SpokenMedia Projec...

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Brandon Muramatsu [email_address] MIT, Office of Educational Innovation and Technology Phil Long [email_address] Universit...

Motivation <ul><li>More & more videos on the Web </li></ul><ul><ul><li>Universities recording lectures </li></ul></ul><ul>...

Motivation <ul><li>Challenges </li></ul><ul><ul><li>Volume </li></ul></ul><ul><ul><li>Search </li></ul></ul><ul><ul><li>Ac...

Why do we want these tools? MIT OpenCourseWare Lectures <ul><li>Improve search and retrieval </li></ul><ul><li>What do we ...

Why do we need these tools? University of Queensland <ul><li>Lecture podcasting </li></ul><ul><li>25 years of interviews w...

What can we do today? <ul><ul><li>web.sls.csail.mit.edu/lectures/ </li></ul></ul><ul><li>Spoken Lecture Browser </li></ul>...

How do we do it? Lecture Transcription <ul><li>Spoken Lecture: research project </li></ul><ul><li>Speech recognition & aut...

Spoken Lecture Project <ul><li>Processor, browser, workflow </li></ul><ul><li>Prototyped with lecture & seminar video </li...

Spoken Lecture Browser <ul><ul><li>web.sls.csail.mit.edu/lectures </li></ul></ul>

Eigenvalue Example <ul><ul><li>web.sls.csail.mit.edu/lectures </li></ul></ul>

Current Challenges: Accuracy <ul><li>Accuracy </li></ul><ul><ul><li>Domain Model and Speaker Model </li></ul></ul><ul><li>...

Transcript “Errors” <ul><li>“ angular momentum and forks it’s extremely non intuitive” </li></ul><ul><ul><li>“ folks”? </l...

How Does it Work? Lecture Transcription Workflow Domain Model Speaker Model More Info:

That’s what we have today… <ul><li>Features </li></ul><ul><ul><li>Search </li></ul></ul><ul><ul><li>Segmentation of video ...

Transition: Towards a Lecture Transcription Service <ul><li>Develop a prototype production service </li></ul><ul><ul><li...

Where do we go next? <ul><li>99.9% Accuracy? For accessibility </li></ul><ul><li>Bookmarks and state </li></ul><ul><li>Cro...

How else might this be used? <ul><li>Ethnographic research </li></ul><ul><li>Video Repository with funds for transcription...

A Lecture Transcription Service? <ul><li>Lecture-style content (technology optimized) </li></ul><ul><li>Approximately 80% ...

Future Directions <ul><li>Social Editing </li></ul><ul><li>Bookmarking and annotation </li></ul><ul><ul><li>Timestamp </li...

Alternate Representations <ul><li>Look Listen Learn </li></ul><ul><ul><li>www.looklistenlearn.info/math/mit/ </li></ul></u...

Look Listen Learn Interface

Thanks! Visit: oeit.mit.edu/spokenmedia Brandon Muramatsu [email_address] MIT, Office of Educational Innovation and Tech...

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