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Automated Lecture Transcription: Enhancing Podcast Production Workflows at AcademiX

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Introduction and background to the automated lecture transcription/lecture transcription service project by MIT's Office of Educational Innovation and Technology (OEIT). With co-presentation by …

Introduction and background to the automated lecture transcription/lecture transcription service project by MIT's Office of Educational Innovation and Technology (OEIT). With co-presentation by University of Queensland Centre for Educational Innovation and Technology. Presented by Brandon Muramatsu and John Zornig at the AcademiX Conference in Cambridge, MA, March 26, 2009.

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  • 1. Automated Lecture Transcription Enhancing Podcast Production Workflows Andrew McKinney & Brandon Muramatsu MIT Office of Educational Innovation and Technology John Zornig University of Queensland Centre for Educational Innovation and Technology Citation: Muramatsu, B., Zorning, J., & McKinney, A. (2009). Automated Lecture Transcription. Presented at the AcademiX Conference. Cambridge, MA. March 26, 2009. This work is licensed under a Creative Commons Attribution-NonCommerical-ShareAlike 3.0 United States License (creativecommons.org/licenses/by-nc-sa/3.0/us)
  • 2. Background James Glass from CSAIL at MIT • Created a system to automatically transcribe and index academic lectures • Why? • Spontaneous speech (starts/stops, partial words, etc.) • Highly specialized subject-specific vocabulary • Focus on processing to enable search and retrieval (display) This work is licensed under a Creative Commons Attribution-NonCommerical-ShareAlike 3.0 United States License (creativecommons.org/licenses/by-nc-sa/3.0/us)
  • 3. Background • Developed workflow, processor and browser ‣ web.sls.csail.mit.edu/lectures/ • Prototyped with lecture and seminar video/audio • MIT OpenCourseWare (~300+ hours of lectures) • MIT World (~80 hours of seminars) • Supported with iCampus MIT/Microsoft Alliance funding for innovation in educational technologies This work is licensed under a Creative Commons Attribution-NonCommerical-ShareAlike 3.0 United States License (creativecommons.org/licenses/by-nc-sa/3.0/us)
  • 4. Towards a Lecture Transcription Service Transition from research to a production service • Develop prototype production service • MIT and UQ • Requirement gathering • Internal (sample projects) • External (hosted service, community?) • Community of practice/users? This work is licensed under a Creative Commons Attribution-NonCommerical-ShareAlike 3.0 United States License (creativecommons.org/licenses/by-nc-sa/3.0/us)
  • 5. MIT OEIT Projects • OpenCourseWare • Subject domains, terminology • Search and retrieval • Facilitate translation (automated?) • Accessibility • MIT 150th Anniversary Interviews • Highly accurate transcripts • Search and retrieval This work is licensed under a Creative Commons Attribution-NonCommerical-ShareAlike 3.0 United States License (creativecommons.org/licenses/by-nc-sa/3.0/us)
  • 6. University of Queensland This work is licensed under a Creative Commons Attribution-NonCommerical-ShareAlike 3.0 United States License (creativecommons.org/licenses/by-nc-sa/3.0/us)
  • 7. Lecture Transcription System Workflow This work is licensed under a Creative Commons Attribution-NonCommerical-ShareAlike 3.0 United States License (creativecommons.org/licenses/by-nc-sa/3.0/us)
  • 8. Demos • Spoken Lecture Browser ‣ web.sls.csail.mit.edu/lectures/ • Google Audio Indexing ‣ labs.google.com/gaudi This work is licensed under a Creative Commons Attribution-NonCommerical-ShareAlike 3.0 United States License (creativecommons.org/licenses/by-nc-sa/3.0/us)
  • 9. Thanks! Andrew McKinney mckinney@mit.edu Brandon Muramatsu mura@mit.edu John Zornig j.zornig@uq.edu.au Citation: Muramatsu, B., Zorning, J., & McKinney, A. (2009). Automated Lecture Transcription. Presented at the AcademiX Conference. Cambridge, MA. March 26, 2009. This work is licensed under a Creative Commons Attribution-NonCommerical-ShareAlike 3.0 United States License (creativecommons.org/licenses/by-nc-sa/3.0/us)