Video for Internet

Lecture 9

TE 693HBill Duff

Video on the Internet

Streaming - audio/video file is transmitted while being created & converted at receiving point

Bandwidth 28.8 to 56.6 to 128 kbps 150,000 kbps for CD data rates of 3.5 to 6 Mbps (million

bits/second) for DVD

Video on the Internet

Streaming - audio/video file is transmitted while being created & converted at receiving point

Bandwidth 28.8 to 56.6 to 128 kbps 150,000 kbps for CD data rates of 3.5 to 6 Mbps (million

bits/second) for DVD

Video on the Internet

Delays Compression Encoding & Decoding Capturing audio & video

Sound card Video capture card

Video on the Internet

Visual Studio Industry Partner Flash Windows Media Encoder Centra Tegrity Live AVN2000 http://www.vsicam.com/products/avn/avn.html

Quicktime

Course Planning

First question: synch or asynch, that is the question!

Next question: who is my audience?

Next question: how far am I willing to go?

Last question: is it economically sound to teach this way?

Tools

Web CT MIX PowerPoint Broadcast MS Sharepoint Tegrity other

What You Need

Computer Internet Access MS Office Microphone Camera Whiteboard

What You Need

Server Collaboration Software Testing software Assessment software

Capturing Information 2 Methods

Powerpoint Broadcast http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnwmt/html/pptbr2000.asp

Tegrity Web Learner Platform http://www.tegrity.com

Powerpoint BroadcastRequirements Presenter

Windows 98 or later MS Powerpoint 2000 or 2002 IE 4.0 or better Fast processor – Pentium III, 700MHz + Video camera (USB) or video card

w/others Microphone – wireless is better

Powerpoint Broadcast Requirements Viewer

Microsoft Windows Media Player Internet Explorer 4.0 or better Computer with Sound Card

Powerpoint Broadcasting

Open Ppt with pre-made slides Go To Slide Show

Online Broadcast Set Up and Schedule

Click “Set Up & schedule new broadcast”

Fill in description, speaker, etc Click on “Broadcast Settings”

Powerpoint BroadcastClick on “Send Audio” and/or “Send

Video” Click on “Record Show and save here”

(leave blank to be able to move subdirectory)

Click on “Schedule Broadcast”Fill In To: (if sending over intranet) Start Time End Time Send Email

Powerpoint BroadcastClick on “Slide Show” “Online Broadcast” “Begin Broadcast”

When finished, class will be on server or local machine and can be copied to CD

Size: 1 MB per minute using 56K encoding

Tegrity WebLearner System Cart with: Computer using Win

XP Projector Whiteboard camera Instructor camera Document camera Sound system Wireless microphone Laser Pointer

Tegrity System

Projects Powerpoint slide Allows annotation of slides Allows video/audio delivery Allows any application use (async

only) Indexes slides Eliminates post-editing Example:

http://tegrity.csee.wvu.edu/tegrityclass/SENG520/Lecture2/class/default.htm

1MB per minute

Distance Learning Examples

PowerPoint Broadcast – http://www.cerc.wvu.edu/duffy/virtual_class.htm

Tegrity – http://netserver.cerc.wvu.edu/numsse

/Fall2003/520/520.htm (click on “Tegrity Demo”)

Distance LearningVideo

Computer uses more light Video window small