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Join us for an engaging workshop focused on using iMovie 2 for effective video streaming on the internet. We will explore the tools and techniques necessary for creating high-quality instructional videos, including importing, editing, and exporting. Discover how to effectively engage your audience and utilize video as part of the curriculum. Learn about essential equipment, streaming codecs, and tips for enhancing video and audio quality. This hands-on experience will equip you with the skills to produce professional-grade content.
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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)
Two thoughts on video… • As part of the curriculum • As an assignment within a curriculum
As a part of the curriculum • When you are not in class • Interesting topics • Distance learning
About using video on the web… Be aware of your audience! • Bandwidth/connection speed? • Processor speed? • RAM? • OS/browser/plug-ins?
As an assignment within the curriculum • Another form of expression • Engages students’ attention in content • Useful technical skill
An example… http://www.apple.com/education/dv/gallery/mov2.html
Finished video formats • Video tapes • Video files • CD or DVD • In multimedia production • PowerPoint • Hyperstudio • On a webpage
Equipment needed • Video camera • Digital 8 • Mini DV
Equipment needed • Tripod • Video tapes
Equipment needed • iMac with iMovie • FireWire cable
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
Bandwidth How do you stream? codec Info Info Info Info Info Info
Bandwidth How do you stream? Info Info Info Info Info Info
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
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)
Possible compression Multiple pictures that represent changes
Codecs apply to… Bandwidth Images Images Images Sound Sound Sound sound images
Streaming codecs As recommended by QuickTime for the Web
Audio Codecs • Qualcomm PureVoice • QDesign Music
Video Codecs • Photo JPEG • Motion JPEG • Sorenson Video • H.263
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
What was wrong? • Background movements • Bad zooms • Horrible picture and sound quality • Distracting transitions • Small titles
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
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
Let’s get started! Using iMovie 2
Viewer Bookshelf 1 Timeline 2 3 iMovie’s Components
iMovie’s Components • Eyeball view • Clock view
Answers Pans and Zooms Large Titles iMovie 2