Transcript 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)
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
 FireWire
cable
 iMac
with iMovie
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
How do you stream?
How do you stream?
codec
Info
Bandwidth
How do you stream?
Bandwidth
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
images
sound
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
Is this a good video clip?
What was wrong?

Background movements

Bad zooms

Horrible picture and sound quality

Distracting transitions

Small titles
How to improve it?

Subtle background
 Portrait

Use a tripod
 Stills

mode on video camera
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

Large titles
change is bad!
Improvement
Let’s get started!
Using iMovie 2
iMovie’s Components
1
2
Viewer
Bookshelf
3
Timeline
iMovie’s Components

Eyeball view

Clock view
Answers
Pans and Zooms
Large Titles
iMovie 2