What a Podcast is - and everything you need to know about Podcasting
The future of podcasting will bring even more exciting innovations. Some universities have already begun issuing all incoming students MP3 players and voice recorders and have found that this makes a significant difference in learning. A new development in this technology is the ability to podcast video — imagine students being able to download instructional videos or short “talking chalkboard” tutorials. Future podcasts may even include embedded interactivities so that learners can practice what they're learning, create an end product, or assess their learning. The term "podcast" is a portmanteau of the words "iPod" and "broadcast", the Apple iPod being the brand of portable media player for which the first podcasting scripts were developed (see history of podcasting). These scripts allow podcasts to be automatically transferred to a mobile device after they are downloaded.
There are three kinds of podcasts. Audio podcasts are usually an MP3 file and are the most common types of podcasts. Enhanced podcasts can have images to go along with the audio. They can also have chapter markers, making it easier to skip to different portions of an episode. Enhanced podcasts are an AAC file and are not supported by all devices. Video podcasts are movies, complete with sound. Video podcasts can be in a variety of formats, but MPEG-4 is the most popular. Though podcasters' web sites may also offer direct download or streaming of their content, a podcast is distinguished from other digital media formats by its ability to be syndicated, subscribed to, and downloaded automatically when new content is added, using an aggregator or feed reader capable of reading feed formats such as RSS or Atom.
Receiving and using podcasts
To make full use of podcasts' syndication features appropriate software, often referred to as a podcatching client. The most dominant podcatching client is Apple's iTunes player. However, there are other alternatives, including Juice (multiplatform) and Doppler (Windows). Some established audio players, such as AmaroK, Winamp and Mediamonkey also offer (sometimes limited) podcatching functionality.
Podcast listeners can listen in one of two ways: through a specialized hardware device called an MP3 player or on a computer using media player software.
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