Essential Concepts

Learning some definitions!

In order for us to fully understand the podacasting world we have to know its terms.

So lets start!!

XML
The language they use tto create online sites. The definition of  webopidia is:
Short for Extensible Markup Language, a specification developed by the W3C. XML is a pared-down version of SGML, designed especially for Web documents. It allows designers to create their own customized tags, enabling the definition, transmission, validation, and interpretation of data between applications and between organizations.


RSS
Is a file format that allows websites to share information for othe websites to publish, for example news, webopedias definition:

RSS stands for the facto standard for thesyndication of Web content. RSS is an XML-based format  used  in distributing news headlines on the Web.
A Web site that wants to allow other sites to publish some of its content creates an RSS document and registers the document with an RSS publisher.

Jingle

A short audio which is used to create especial effects or backgrounds, such as those tunes preceding the news.

"to sound in a light, repetitious manner suggestive of this, asverse, a sequence of words, or piece of music."




Stinger

A stinger is a brief sound or musical phrase that may be used as "audio punctuation."



MP4

MP4 is a file format created by the Moving Picture Experts Group (MPEG) as a multimedia container format designed to store audiovisual data. The MP4 is largely replacing earlier multimedia file formats, and creating some changes in the way that vendors sell audiovisual files to the public.



MPX


MPX Microsoft Project File Exchange Format is a file format developed by Microsoft for sharing project data with other project management applications.

Audio Comparison!

 

What will become of pur world without music? I don't even want to think about that. Music is all around us like in the movies, in the cars, even at elevators! And maybe because of it popularity people have found many many ways to record music. That is why there are so many types of files for it. And the best thing is that you can find the all in Webopedia.

Mp3

This one is the most popular. It is used by eliminating background noises.
It is named Mp3 because it works with three layers. It compresses audio into the third.


WMA

This one is only used in Windows therefore it is not as popular obviously. It has smaller size and lower quality than WAV.

WAV

It is short for WAVE form. Audio file format is a digital audio format without data compression normally developed and owned by Microsoft and IBM that is used to store sounds on the PC, supports both mono and stereo files to various resolutions and sampling

AIFF

It is short for Audio Interchange File Format, which is a common format for storing and transmitting sampled sound. It was developed by Apple therefore is mostly used in macintosh. It does not compress data for it you can have AIFF- compressed another format.


RA


The de facto standard for streaming audio data over the World Wide Web. RealAudio was developed by RealNetworks and supports FM-stereo-quality sound. To hear a Web page that includes a RealAudio sound file, you need a RealAudio player orplug-in, a program that is freely available from a number of places. It's included in current versions of both Netscape Navigator andMicrosoft Internet Explorer.