Podcasting(Personal Optional Digital casting)

Podcasting, full name Personal Optional Digital casting, which is a way for users to freely publish the file on the Internet, and allows the user to subscribe to the feed means to automatically download the technology and ideas, is a new form of broadcasting. Podcasting pioneer promoter of Doc Searls its definition: Podcasting is a self-broadcasting. The famous Wikipedia (Wikipedia) is defined, Podcasting from the Apple iPod, both broadcasting (radio) and webcasting (Internet broadcasting) was intended. Introduction Podcasting is a recent digital network broadcasting technologies are developing a product. Initially, Podcasting integration software developed by Apple ipodder players and digital format, used to implement radio transmission on the Internet. Any user on the network can be released for free download of the broadcast to the local computer or iPod, MP3 and other digital mobile devices to watch (listen), not by time and place restrictions. According to Reuters reports, at present, 100,000 podcasts have been around the world, 6 million American adults have been watching the podcast network programs, podcasts, a monthly subscriber growth rate of 20%. Meanwhile, Podcasting is gradually entering the world of public radio and television system, CNN, BBC, NPR and other large traditional media organizations have launched their own website Podcasting program to address the new media era. Podcasting represents the development direction of the broadcast networks, will likely become a mainstream media. Currently, Podcasting is gradually extended to the field of education, more and show great potential. The main functions and features Podcasting 1 subscriptions Podcasting is to subscribe, free to choose a new generation of media. No matter when and where you can receive, listen to their favorite Podcasting program. Podcasting software you can subscribe to automatically receive the latest Podcast programs. As you subscribe to traditional magazines, when each program update, Podcast programs are free and automatically sent to your computer. In other words, everyone can always subscribe and get what you want the latest information. Podcasting uses RSS 2.0 file format and transmit information to subscribers. RSS in XML (Extensible Markup Language), based on an RSS file commonly known as an RSS channel in a channel provided including channel, date, title and description and other information, allows information publishers to easily auto- aggregate the latest release of information, and in a timely manner so that readers read the information. In the field of education, Podcasting uses RSS technology allows learners to quickly subscribe to, publish, access to information, which is becoming a new kind of learning. 2 Mobility Easy mobility is the most significant features of Podcasting. All kinds of audio and video programs can be copied to the mobile terminal after at any time, anywhere viewing. 3. Participation and sharing Apple iTunes vice president Eddy Cue said, anyone can easily get through the iTunes U institutions from the United States provided many well-known amazing educational information. Education is a lifelong learning process, we are very pleased to give everyone can download lectures, speeches and other academic information. Stanford Provost John Etchemendy said, "Our partnership with Apple and iTunes U provides a creative and innovative way, thousands of people can participate in our teaching and research in the past, more good results to share our wisdom and found that teachers and students by sharing research results to serve the public. " Meanwhile, Podcasting is open, each user can get their free space, you can create and upload audio and video programs to the site to share with others, or subscribe to other people can also choose to provide audio and video programming and download to the mobile terminal at any time to listen. This mechanism makes opening and sharing is the sharing of resources that each individual beneficiary is the creation of resources and providers, this is a virtuous cycle of the system, will become the next generation of global learning resources and the environment.