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Webcast basics

November 30, 2000
Web posted at: 6:36 PM EST (2336 GMT)


In this story:

CNNfyi Webcasts

Your Brain

Technological Troubleshooting


CNNfyi Webcasts

What is a webcast?

A webcast is a live broadcast that is conducted over the Internet. It is performed through a process called video streaming, which means that the video is sent over the Internet as the event is taking place.

Can webcasts be viewed on my classroom television?

Because webcasts are conducted over the Internet, the only way you will be able to watch the Your Brain webcast on your television is if it is connected to your computer.

Are there any costs? Any advertising?

There are no costs and no banner advertising.

What is the difference between a moderated chat and an open chat room?

Our webcasts feature moderated guest chats with leading experts to take questions from the chat audience on the webcast topic. In a moderated chat room questions that are submitted by audience members are screened and selected by a moderator and presented to the guest to answer. Not all questions may be used. The chat room is never open to casual chatting among audience members as is seen in open chat rooms.

Are there any past webcasts I can review for an example?

Virus Encounters is a content-rich instructional unit that includes archived webcast video and discussion transcripts. The Virus Encounters learning adventure places your students in the virtual lab coats of top CDC scientists as they explore the high-stakes world of virus investigation.

Does my school need to enroll or register?

There is no enrollment or registration necessary to participate.

Will experts answer every question they receive?

The experts will not be able to answer every question, but they will attempt to answer as many questions as possible.

Your Brain

 ALSO
Please send questions you'd like to see asked on "Your Brain," a live webcast on December 7, 2000. E-mail us at: learningadventure@cnn.com
 
 ALSO
Please tell us what you think of the "Your Brain" lesson materials and the webcast. E-mail us at: learningadventure@cnn.com
 

What is Your Brain?

Your Brain is a thematic unit examining the development of the adolescent brain. The unit consists of four lessons and a live webcast. The four topics investigated in Your Brain include:

  • Brain development in 13 to 18-year-old children
  • Brain structure and function
  • Sleep needs for healthy adolescent brain development
  • Effects of tobacco and alcohol on adolescent brains

The live webcast and moderated discussion event take place December 7, 2000.

Will the lessons on the Your Brain Web site be correlated to national standards?

Yes, each lesson offered includes objectives, time requirements, assessment suggestions and correlations to national standards.

Who may participate?

Although the webcast was designed with students in grades 7 12 in mind, anyone (parents and teachers) who wishes to participate may do so as much or as little as they wish.

How do I participate in the webcast?

Participation is easy:
1. Go to the Webcast Schedule page.
2. Click on the session you wish to attend.
3. Choose the option to view the webcast, participate in the moderated chat, or both.

Will Your Brain be archived and accessible for future use?

Yes. The text and video will be archived and available about two weeks after the event.

Technical Troubleshooting

What if the video doesn't play?

Suggestions:
1. Make sure your computer is configured to play video. To determine this, check to see if any of the other video you have for your computer is working.
2. Make sure your computer has a recent version of Real Player or Windows Media Player installed and working in your browser.
3. Make sure you have an Internet connection capable of at least 28.8 k.

What if the chat application doesn't run?

It is possible that your computer network has a firewall to keep its content secure. Check with your network administrator to see if there is a way to place your computer temporarily outside the firewall or if there are existing provisions for allowing chat applets to be used.

Our school doesn't have high-speed Internet access. Will we still be able to participate? Will a low-speed (dial-up modem) affect the picture on our screen?

If you have a 28.8 connection or faster, your connection should not prevent you from participating in our webcasts. Because faster connections allow the sending of more frames per second, the faster the connection, the smoother the video will appear. Because audio takes less bandwidth, your audio should not be affected by the speed of your connection.

Our school has a firewall and/or Web site filtering technology. Will we have problems participating in the live event?

Maybe, but they are not insurmountable. It just takes some advance preparation. In order to participate in the discussion portion you will have to ask your network administrator to give you a connection outside the firewall. If your school system uses filtering technology, you will have to add the site to your list of approved sites in advance of the webcast.



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