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Internet-Based Dissemination of Educational Audiocasts: A Primer in Podcasting—How to Do It

Melissa R. Rowell, Frank M. Corl, Pamela T. Johnson and Elliot K. Fishman

Department of Radiology, Johns Hopkins University, 601 N Caroline St., Rm. 3251, Baltimore, MD 21287.


Figure 1
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  		Fig. 1 —The .rss (real simple syndication) file contains information about a group of podcasts' content, author or authors, and publication date in the "Channel" portion. The "Item" portion of the page contains information about each individual podcast, such as its author, where it resides on a Web server, and its length.

 

Figure 2
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  		Fig. 2 —We use the FTP program Fetch (Globalscape) to upload files to our Web server. Simply drag and drop the files into the preferred directory.

 

Figure 3
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  		Fig. 3 —The .htaccess file must also be placed on the Web server in the same directory as the main page of the Web site.

 

Figure 4
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  		Fig. 4 —An online tool such as Feed Validator (www.feedvalidator.org) should be used to ensure that there are no errors in the .rss file (real simple syndication). Type the URL of the .rss file into the blank field and press the Validate button.

 

Figure 5
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  		Fig. 5 —The iTunes (Apple Computer) interface shows a list of available podcasts, indicating those that you have downloaded.

 

Figure 6
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  		Fig. 6 —Our Web site, www.ctisus.com, makes use of podcasting to address topics such as IV contrast material and cardiac CT angiography.

 

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