mp3


 * //How MP3, MP4 and Podcasting works//**

Mp3 files are so much smaller and they are in a digital data format. Now a day’s people can store music on an Ipod which is thinner than a deck of cards rather than having a collection of different CD albums.
 * How mp3 file works**

There are few a dvantages to why MP3 files are better; it has High-quality digital sound, small file sizes, most widely accepted digital audio standard and no system for protecting copyrights.

Just like MP3s work by compressing music and audio files without affecting the audio quality, MP4 files are compressed video files. MP4 is also known as MPEG-4 AVC, or advanced video coding. This new technology is going to make video files decrease in size so that they are easier to work with and support. What used to be massive video files of motion and audio are now compressed versions of the same material, called MP4s.
 * How mp4 file works**

Podcasting is a free service that allows Internet users to pull audio files (typically MP3s) from a podcasting Web site to listen to on their computer or personal digital audio player. The name comes from a combination of the words **iPod** (a personal digital audio player made by Apple) and **broadcasting**.
 * How podcasting works**

Unlike with [|Internet radio], users don't have to "tune in" to a particular broadcast; instead, they **subscribe** to a podcast, and the audio files are automatically downloaded to their computer via **RSS feed** as often as they request.

Podcasting requires several hardwares, you will need an internet connection, a microphone, considerable amount of RAM and the software to record (example: Audacity)

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