How Things Work: The Technology Underlying Podcasts
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Abstract
Podcasting is a combination of "iPod," Apple's well-known portable media device, and "broadcast." Podcast has two meanings. First, podcasting is the transmission of multimedia files over the Internet. Rather than being received and opened with different plug-ins, podcast files are ready for viewing on either a PC or other devices, such as an iPod. On the PC, users can treat podcast files like any other computer files, viewing them immediately or saving them for viewing at a later date. Second, in addition to the delivery of files, podcast also refers to their content. Frequently, podcasts are files that are sent at regular intervals. Once viewers determine which podcasts they want, they sign up for them and have them delivered automatically whenever their receiving device is connected to the Internet
