Mp3 Player

An MP3 player, also called digital audio player or just MP3, is a portable electronic device that can store and play audio files. It owes its name to the MP3 compressed audio format, predominant in the field, but usually also play other file formats. The MP3 Player has revolutionized music history and is one of the most successful gadgets.

Features

The MP3 player has brought a revolution in music, his popularity being due largely to the control they provide, their ability to store thousands of songs and portability, which allows carry around.

Although there are dedicated models whose sole function is to MP3 players, many also serve as a radio tuner, web browser, video player and pictures, voice recording, alarm, calendar, calendar and camera.

MP3 player is basically a storage device with software that can play MP3 files, and includes the following components:

Storage System: You can use internal memory (flash based or hard drive) or external (via memory cards).

If your MP3 player supports standard USB Mass Storage Device Class (USB Mass Storage Device), the computer will consider a hard drive and can be used as USB memory.

Interface: to transfer the data to the MP3 player it will have USB, firewire port or parallel port. Audio output: stereo jack have 3.5 mm headphone or external speakers. Some have built-in speakers, but are often of poor quality. Controls: can range from simple buttons and scroll wheel with buttons related to touch screen. Screen MP3 player can wear or not to screen, and then it can be anything from a simple two-line monochrome screen to large screen high-resolution color. Battery: Rechargeable battery powered adapter. Software: You can play MP3 files and create playlists. Audio formats

The MP3 format compress audio quality while maintaining close to CD in a space ten times smaller. For example, a 4 minute song will take 40 MB to a CD, but only 4 MB in MP3 format. The disadvantage is that MP3 loses quality as it is a lossy compression format. The advantage is that it takes much less memory, so that we can store more songs in the same space and download songs from Internet faster.

While the MP3 format is best known, other audio formats can also usually be played on an MP3 player, which can be of various types:

Free (OGG, FLAC) or owners (MP3, AAC, WMA, WAV). Compressed lossy (MP3, AAC, WMA, OGG), lossless (FLAC) or uncompressed (WAV). No support for DRM technologies to restrict rights or support DRM (WMA, AAC). Source: MP3 Player