Broadcasting Technology: Overview
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UNESCO-ABU ICT Roadshow in Sri Lanka, 25-26 June 2010
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Broadcasting Technology: Overview
- 1. Prof. Gihan Wikramanayake University of Colombo School of Computing Broadcasting Technology: Overview
- 6. One-way Media Basic Text Print Audio Audio clip Images Photographs Video Video clips
- 7. One-way Media Basic Text Print Audio Audio clip Images Photographs Video Video clips Intermediate Web pages Podcasts CD/ DVD Annotations
- 8. One-way Media Basic Text Print Audio Audio clip Images Photographs Video Video clips Advanced Blogs ipod downloads Animations Vods
- 9. Two-way Media Basic Text e-mail Audio Telephone support Images Image banks Video Webcasts/ TV
- 10. Two-way Media Basic Text e-mail Audio Telephone support Images Image banks Video Webcasts/ TV Intermediate Computer conferencing Telephone conferencing Share and edit Skype
- 11. Two-way Media Basic Text e-mail Audio Telephone support Images Image banks Video Webcasts/ TV Advanced Wikis Blogs Audio graphics Simulations/ games Video conferencing
- 13. Asynchronous Tools Tool Useful for Discussion boards Dialogue that takes place over a period of time Web logs (Blogs) Sharing ideas and comments Messaging (e-mail) One-to-one or one-to-many communications Streaming audio Communicating or teaching Streaming video Communicating or teaching Narrated slideshows Communicating or teaching
- 14. Asynchronous Tools... Tool Useful for "Learning objects" (Web-based training) Teaching and training Document libraries Managing resources Databases Managing information and knowledge Web books Teaching and training Surveys and polls Capturing information and trends Shared Calendars Coordinating activities Web site links Providing resources and references
- 15. Synchronous Tools Tool Useful for Audio conferencing Discussions and dialogue Web conferencing Sharing presentations and information Video conferencing In-depth discussions with higher-touch interactions Chat Information sharing of low-complexity issues Instant messaging Ad hoc quick communications White boarding Co-development of ideas Application sharing Co-development of documents
Hinweis der Redaktion
- Telecommunication options for distance learning are either synchronous or asynchronous. Asynchronous means delayed communication, not happening in real time. In asynchronous everyone involved can participate on their own schedule Synchronous communications means real-time communications – happening in the moment, immediacy. In synchronous Everyone involved on an activity must participate at the same time With the ease of recording options and memory and storage options available to the individual consumer, asynchronous communications have become a staple of many distance learning courses. Write some of these down and be ready to discuss them in class on Friday. Thinking about all the technology options available today at our fingertips via cell phones and www options – what are some technologies that distance learning courses could use to facilitate learning today?