Centrax 3 D And Video In E Learning


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Centrax 3 D And Video In E Learning

  1. 1. CENTRAX PRESENTS: ‘The use of 3D and Video in eLearning’ Speakers: John Beckel, Brian Beverly - Centrax Larry Wotman – Wotman Productions CISPI Conference, August 19, 2009 Handout A. 3-D ANIMATION 1. 3 Dimensional – HAVING A 3 DIMENSIONAL FORM OR APPEARANCE GIVING THE ILLUSION OF DEPTH a. CGI – Computer generated images 2. Centrax has used for 15 years 3. HD (high definition) is abundant 4. Great for eLearning 5. Examples a. Government highway project b. Machine assembly or disassembly c. Medical – cell function d. Functionality e. Client wants 3D look 6. Character Animation a. Customized characters for eLearning program to be used as guides/teachers b. Customized characters for eLearning scenarios 7. Entertainment Value 8. Virtual Sets 9. Ability to make changes to 3D is limitless
  2. 2. B. VIDEO AND GREEN SCREEN 1. Greenscreen use for video - also known as Chroma or Color Keying a. TECHNIQUE FOR MIXING 2 IMAGES TOGETHER IN WHICH 1 COLOR (MOST COMMON IS BLUE OR GREEN) IS REMOVED FROM ONE IMAGE WHICH THEN REVEALS ANOTHER IMAGE BEHIND IT b. Involves shooting the subject against a solid color background, then later replacing that background color with an image or background of your choosing. 2. What is needed to shoot on greenscreen? a. Solid background i. Such as a wall painted with special chroma key paint, or special green fabric backdrop b. Quality camera with good resolution i. Will produce clean key effect c. Specialized Lighting i. Background must be lit evenly so no variation in green hues as they appear to the camera d. Subject framing i. Subject must be kept framed against green ii. This limits action on a small set but is ideal for interviews and talking heads 3. Magic Happens a. Post production is when the green is ‘pulled off’ and any 3-D environment can be created behind the subject b. Lighting is key to best effects being created for a background c. The subject can be put virtually anywhere and it is infinitely changeable C. INTEGRATION OF THE TWO: 3-D and Video 1. What is the value of 3-D and Video in eLearning? a. Learning retention is statistically higher i. 20% from an audio-visual presentation vs. ii. 10% from reading vs. iii. 5% from listening to a lecture b. Learner attention span i. Elements of each process engage learners in ways a still picture and only text, cannot ii. Learner transports into rich media experience to keep attention c. ‘Practice by Doing’
  3. 3. i. Shoots retention rates to 75 – 80% d. Younger generation having grown up with Xbox, Playstation, Internet, and Second Life e. Realism to actual environment i. Learner relates well ii. High knowledge transfer 2. Similarities a. From the end use in a Flash application, they are more alike than different b. Surprisingly, both 3-D and video cost roughly the same c. A video piece compressed and put into Flash takes about the same bandwidth as a 3-D piece of same length and compression 3. Advantages of each a. Video i. Aesthetically familiar and we relate ii. User has instant connection with what they are seeing iii. Less expensive with faster turnaround iv. Video characters, as instructors, give user familiar face to lead through any subject matter v. Can represent actual environment or product for training vi. Cost effective b. 3-D i. Offers ability to create an environment that doesn’t exist in reality ii. Offers ability to take learner to places not able to go in reality such as inside an engine or through the blood stream iii. Characters have advantage of not being real so less likely to offend iv. Ability to make characters any ethnicity v. Ability to change immediately vi. Cost effective 4. Updating courses a. 3-D – might take more time upfront to build but can be more easily revised and more often b. Video – has a faster turnaround – takes less time to create once program elements have been chosen, but more effort to revise 5. Regarding 3-D and Video…What’s in store for the future? a. Second Life as a training tool i. Complete immersion of the learner in a 3-D environment ii. Learners create and own an avatar giving a sense of investment in the learning iii. Possibly add video elements to enhance the avatar experience iv. And we let our imaginations take us there…
  4. 4. Centrax Corporation 180 N. Stetson, 51st floor Chicago, IL 60601 312 946-2025 www.centrax.com Centrax Brochure http://stg.centrax.com/demo/centrax_brochure.pdf Centrax Second Life Development Services Site http://www.centraxsecondlife.com Centrax Second Life Development Services http://stg.centrax.com/Second_life.pdf