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Let’s Stream! Using iMovie 2

Let’s Stream! Using iMovie 2. An overview of video for streaming for the Internet. Workshop Agenda. Video in instruction Tools and tips for streaming video Overview of iMovie 2 Hands-on with iMovie 2 Importing Editing and enhancing Exporting (video and computer files).

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Let’s Stream! Using iMovie 2

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  1. Let’s Stream!Using iMovie 2 An overview of video for streaming for the Internet

  2. Workshop Agenda • Video in instruction • Tools and tips for streaming video • Overview of iMovie 2 • Hands-on with iMovie 2 • Importing • Editing and enhancing • Exporting (video and computer files)

  3. Two thoughts on video… • As part of the curriculum • As an assignment within a curriculum

  4. As a part of the curriculum • When you are not in class • Interesting topics • Distance learning

  5. About using video on the web… Be aware of your audience! • Bandwidth/connection speed? • Processor speed? • RAM? • OS/browser/plug-ins?

  6. As an assignment within the curriculum • Another form of expression • Engages students’ attention in content • Useful technical skill

  7. An example… http://www.apple.com/education/dv/gallery/mov2.html

  8. Finished video formats • Video tapes • Video files • CD or DVD • In multimedia production • PowerPoint • Hyperstudio • On a webpage

  9. Equipment needed • Video camera • Digital 8 • Mini DV

  10. Equipment needed • Tripod • Video tapes

  11. Equipment needed • iMac with iMovie • FireWire cable

  12. How do you stream? Take the best possible video and audio! • Use a tripod • Less pans and zooms the better • Use an external microphone • Lighting is good

  13. How do you stream?

  14. Bandwidth How do you stream? codec Info Info Info Info Info Info

  15. Bandwidth How do you stream? Info Info Info Info Info Info

  16. Codec • Compression-Decompression • Makes video/audio files smaller so easier to transmit over the Internet • Macs and PCs do not have the same default codecs

  17. Example – video footage H.263 compression, 12 fps, Keyframe rate = 99 No audio compression 240 x 180 pixels QT file = 108 KB, AVI file = 697 KB 5:17 seconds = 167 frames (or 167 individual pictures)

  18. Possible compression Multiple pictures that represent changes

  19. Codecs apply to… Bandwidth Images Images Images Sound Sound Sound sound images

  20. Streaming codecs As recommended by QuickTime for the Web

  21. Audio Codecs • Qualcomm PureVoice • QDesign Music

  22. Video Codecs • Photo JPEG • Motion JPEG • Sorenson Video • H.263

  23. iMovie’s preset codec options • Email Movie, small • Web Movie, small • Streaming Web Movie, small • CD-ROM Movie, medium • Full Quality, large • Expert – you set both video and audio

  24. Is this a good video clip?

  25. What was wrong? • Background movements • Bad zooms • Horrible picture and sound quality • Distracting transitions • Small titles

  26. How to improve it? • Subtle background • Portrait mode on video camera • Use a tripod • Stills are great! • Zoom in from beginning or pan very slowly • Slow down pan in iMovie

  27. How to improve it? • Get quality video and audio from the start • Better to degrade than try to improve • Good lighting • Use transitions sparingly • Remember change is bad! • Large titles

  28. Improvement

  29. Let’s get started! Using iMovie 2

  30. Viewer Bookshelf 1 Timeline 2 3 iMovie’s Components

  31. iMovie’s Components • Eyeball view • Clock view

  32. Answers Pans and Zooms Large Titles iMovie 2

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