32 nd International Conference on Technology in Collegiate Mathematics VIRTUAL CONFERENCE ictcm.com | #ICTCM
32 nd International Conference on Technology in Collegiate Mathematics ORLANDO, FL | MARCH 12-14 #ICTCM Video Design and Creation Using MyLabMath for a Differential Equations Course and Text
32 nd International Conference on Technology in Collegiate Mathematics ORLANDO, FL | MARCH 12-14 #ICTCM C. Henry Edwards, Jr. Emeritus Professor of Mathematics University of Georgia h.edwards@mindspring.com David Calvis Professor of Mathematics Baldwin Wallace University Berea (Cleveland), OH dcalvis@bw.edu
32 nd International Conference on Technology in Collegiate Mathematics ORLANDO, FL | MARCH 12-14 #ICTCM How We Became Video Makers
32 nd International Conference on Technology in Collegiate Mathematics ORLANDO, FL | MARCH 12-14 #ICTCM Edwards-Penney Differential Equations First edition appeared in 1985 (!) • Original authors from the University of Georgia: • o Henry Edwards o David Penney They also published textbooks in Calculus and • Linear Algebra.
32 nd International Conference on Technology in Collegiate Mathematics ORLANDO, FL | MARCH 12-14 #ICTCM Today: Edwards-Penney-Calvis DE’s
32 nd International Conference on Technology in Collegiate Mathematics ORLANDO, FL | MARCH 12-14 #ICTCM Tech Update • In 2016 our editor proposed that our flagship text join MyLabMath by receiving a “Tech Update”. • Etext, online homework, and instructional videos. • The videos would be developed by the author team (that’s us!)
32 nd International Conference on Technology in Collegiate Mathematics ORLANDO, FL | MARCH 12-14 #ICTCM On-The-Spot Help • The videos would provide detailed explanations of sample problems in the text… • …delivered within MyLabMath at the student’s point of need.
32 nd International Conference on Technology in Collegiate Mathematics ORLANDO, FL | MARCH 12-14 #ICTCM How Do You Make an Instructional Video?
32 nd International Conference on Technology in Collegiate Mathematics ORLANDO, FL | MARCH 12-14 #ICTCM What Kind of Videos Should We Make? • The project called for over 100 videos. • We had an essentially blank canvas. • What did we want the user to see? • What did we want the user to hear? • What tools would we use?
32 nd International Conference on Technology in Collegiate Mathematics ORLANDO, FL | MARCH 12-14 #ICTCM Video • Should we write out mathematics in real time? o That way you can circle, highlight, etc. • Or should each slide be static? • How would we create mathematical notation? • Would we appear on screen?
32 nd International Conference on Technology in Collegiate Mathematics ORLANDO, FL | MARCH 12-14 #ICTCM Audio • How detailed should the explanations be? o Tradeoff between detail and conciseness • Would we need to write out a complete script for each video? • Did we need an expensive microphone?
32 nd International Conference on Technology in Collegiate Mathematics ORLANDO, FL | MARCH 12-14 #ICTCM Structure • How long should these videos be? • What common “look and feel” did we want to achieve across all of the videos? • What were the publisher’s technical specifications?
32 nd International Conference on Technology in Collegiate Mathematics ORLANDO, FL | MARCH 12-14 #ICTCM What We Decided to Do
32 nd International Conference on Technology in Collegiate Mathematics ORLANDO, FL | MARCH 12-14 #ICTCM For the Slides: LaTeX We decided to use LaTeX (“Beamer”) to make the • slides. o Beautiful mathematical notation o Precise symbol placement However, we needed to choose a visual theme. • We chose “Metropolis”. •
32 nd International Conference on Technology in Collegiate Mathematics ORLANDO, FL | MARCH 12-14 #ICTCM Structure • Each video has three sections: o Problem Statement o Review of Theory o Solution • Example o Note the Metropolis theme:
32 nd International Conference on Technology in Collegiate Mathematics ORLANDO, FL | MARCH 12-14 #ICTCM
32 nd International Conference on Technology in Collegiate Mathematics ORLANDO, FL | MARCH 12-14 #ICTCM
32 nd International Conference on Technology in Collegiate Mathematics ORLANDO, FL | MARCH 12-14 #ICTCM
32 nd International Conference on Technology in Collegiate Mathematics ORLANDO, FL | MARCH 12-14 #ICTCM Highlighting Text • Rather than circling things in real time… • …we chose to use red highlighting… • …using a color approved for accessibility. • An example of text highlighting in successive bullet points:
32 nd International Conference on Technology in Collegiate Mathematics ORLANDO, FL | MARCH 12-14 #ICTCM
32 nd International Conference on Technology in Collegiate Mathematics ORLANDO, FL | MARCH 12-14 #ICTCM
32 nd International Conference on Technology in Collegiate Mathematics ORLANDO, FL | MARCH 12-14 #ICTCM
32 nd International Conference on Technology in Collegiate Mathematics ORLANDO, FL | MARCH 12-14 #ICTCM
32 nd International Conference on Technology in Collegiate Mathematics ORLANDO, FL | MARCH 12-14 #ICTCM Highlighting Mathematics • The LaTeX environment proved to be excellent for highlighting mathematics. • We made heavy use of drawing boxes around expressions, often with labelling. • A sample to illustrate:
32 nd International Conference on Technology in Collegiate Mathematics ORLANDO, FL | MARCH 12-14 #ICTCM
32 nd International Conference on Technology in Collegiate Mathematics ORLANDO, FL | MARCH 12-14 #ICTCM
32 nd International Conference on Technology in Collegiate Mathematics ORLANDO, FL | MARCH 12-14 #ICTCM Producing the Videos • The publisher specified Camtasia. • This made it easy to do the voiceovers and export them as .mp4’s. • We used an inexpensive headset microphone.
32 nd International Conference on Technology in Collegiate Mathematics ORLANDO, FL | MARCH 12-14 #ICTCM Voiceovers • For the voiceovers it was important that everything on the screen be read out loud… • …making the videos more accessible to visually impaired students. • So we read every entry of every matrix!
32 nd International Conference on Technology in Collegiate Mathematics ORLANDO, FL | MARCH 12-14 #ICTCM Audio Editing • Camtasia made it easy to edit out bloopers. • To filter out breathing noises, we used the free software Audacity.
32 nd International Conference on Technology in Collegiate Mathematics ORLANDO, FL | MARCH 12-14 #ICTCM Some Results
32 nd International Conference on Technology in Collegiate Mathematics ORLANDO, FL | MARCH 12-14 #ICTCM Total Video Counts • Our flagship text Differential Equations: Computing and Modeling required over 110 videos. • About 36 additional videos were needed for Differential Equations & Linear Algebra .
32 nd International Conference on Technology in Collegiate Mathematics ORLANDO, FL | MARCH 12-14 #ICTCM Duration of Videos • Varies considerably from one video to the next. • We erred on the side of completeness, rather than brevity. • Longest videos run almost half an hour.
32 nd International Conference on Technology in Collegiate Mathematics ORLANDO, FL | MARCH 12-14 #ICTCM Pattern of Work Typically DC would create the slides and submit to • CHE for review. Next the voiceovers were added and .mp4’s • produced. After further review, video was sent to accuracy • checker.
32 nd International Conference on Technology in Collegiate Mathematics ORLANDO, FL | MARCH 12-14 #ICTCM Time Required • The most time-consuming part was designing and coding the slides in TeX. • Altogether, each video took perhaps 3 hours to create… • …although some were stubborn!
32 nd International Conference on Technology in Collegiate Mathematics ORLANDO, FL | MARCH 12-14 #ICTCM Contact Information David Calvis Department of Mathematics Baldwin Wallace University dcalvis@bw.edu
Recommend
More recommend
