What is a podcast?
http://echofan.files.wordpress.com/2010/03/podcast_ctap_small.jpg
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M$3 Answers
Programs like iTunes can automate some of this process, giving you the ability to "subscribe" to a particular program, after which iTunes can automatically download and insert into your music player its latest episode, for listening to whenever you like.
Personal experience, but for more general information:
http://en.wikipedia.org/wiki/Podcast
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M$Main advantage of this is Unlike with traditional radio, with podcasting, the subscriber decides what content he or she receives. Podcasting is extremely useful to subscribers, because users can easily receive desired information and listen to it at any time. The material, once downloaded, can be listened to and viewed on wireless handhelds, allowing subscribers to utilize time on the road.
The most popular format of a podcast is MP3.
The reason it became linked with the iPod in name was because people download podcasts (audio shows) to listen to on their iPods. However you don’t have to listen to podcasts only on iPods; you can use your computer with some music software such as Windows built-in Media Player or,Winamp, or other portable music players (iPod competitors) such as Creative Zen or iRiver. It really doesn’t matter, as long as you have some way to play music on your computer you will be able to listen to podcasts.
You cant make videos on podcast.Videocasting, the big brother of podcasting, allows individuals to create their own video content for the world to hear and see.
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M$It's actually a bit of a misnomer, since you don't actually need an iPod to play back these shows -- any MP3 player, desktop computer, laptop, or one of hundreds of other devices will work. Again, it's basically just an audio or video file. There have been a few pushes to rename the medium something more generic like "netcast" or "webcast", but it seems we're stuck with "podcast" for the time being.
As I understand it, most of the early podcasts were prerecorded, then published to syndication services like iTunes or RSS feeds. This way people could subscribe to the shows they like, and have them automatically download to their computer; most often, they would then be synced onto a portable media device for later listening. From there, users could essentially create their own radio program by setting up a playlist of podcasts from different sources. (For example, my weekly listening includes tech shows, politics discussion, general news, and even a couple of episodic web series.)
The background to all this is that many artists and producers were looking for a lower-cost, hassle-free, "underground" way to get their work out to the masses -- it was a backlash to mainstream TV and radio, the way blogging was a backlash against traditional print media. By recording shows on a normal home PC, distributing it over the internet, and having users download it directly, podcasters were able to cut out the middleman completely. These days, there are many individuals who make an excellent living podcasting. Leo Laporte, with his TWIT series, is perhaps one of the best-known podcasters, and is considered by some to the godfather of podcasting. His operation includes lots of complicated technology that lets him stream live shows, take guest call-ins, and do very professional-looking production. The production quality of podcasts runs the gamut from very rough, home-video-esque recordings with no editing at all, to high-end studio-quality work that could be mistaken for a professional TV broadcast, but the basic premise of a DIY recording setup is the same.
These days, as the medium grows and matures, it's not uncommon to hear of shows being called "web TV" or "internet media" or "independent media". You'll even see shows that are broadcast live via services like Ustream; often, these are then later posted as podcasts as described above. It's an evolving medium, and even the biggest names are still figuring out the exact mechanics of how to make it work, what to call it, how to make money doing it, and where it fits in alongside traditional television.
Perhaps the best way to understand podcasting is to watch/listen to a few of them. I would recommend a basic starter syllabus of:
Leo Laporte's TWITThis Week In (similar name but unrelated to TWIT)
Slate Political Gabfest
You can also hop on the iTunes store and browse around. You'll be amazed at the depth and variety of shows out there. Enjoy!
iTunes (this link will launch iTunes on your computer)
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M$