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MP3 player

mp3 player, mp3 player download
An MP3 player or Digital Audio Player is an electronic device that can play digital audio files It is a type of Portable Media Player The term 'MP3 player' is a misnomer, as most players play more than the MP3 file format

Since the MP3 format is widely used, almost all players can play that format In addition, there are many other digital audio formats Some formats are proprietary, such as MP3, Windows Media Audio WMA, and Advanced Audio Coding AAC Some of these formats also may incorporate digital rights management DRM, such as WMA DRM, which are often part of paid download sites Other formats are patent-free or otherwise open, such as Vorbis, FLAC, and Speex all part of the Ogg open multimedia project

Contents

  • 1 History
  • 2 Equipment
  • 3 Common devices
  • 4 See also
  • 5 References
  • 6 External links

Historyedit

In 1981 Kane Kramer filed for a UK patent for the IXI, the first Digital Audio Player1 UK patent 2115996 was issued in 1985, and US Patent 4,667,088 was issued in 19872 The player was as big as a credit card and had a small LCD screen, navigation and volume buttons and would have held at least 8 MB of data in a solid state bubble memory chip with a capacity of 35 minutes worth of audio Plans were made for a 10-minute stereo memory card and the system was at one time fitted with a hard drive which would have enabled over an hour of recorded digital music Later Kramer set up a company to promote the IXI and five working prototypes were produced with 16 bit sampling at 441 kilohertz with the pre-production prototype being unveiled at the APRS Audio/Visual trade exhibition in October 1986 However, in 1988 Kramer's failure to raise the £60,000 required to renew the patent meant it entering the public domain, but he still owns the designs3 In the year 1987 a German Company by the name of Fraunhofer-Gesellschaft started the research program for coding music with the high quality and low bit rate sampling at its institute The project was controlled by an expert in mathematics and electronics, Karlheinz Brandenburg Then in 1997, Tomislav Uzelac who was an employee of Advanced Multimedia Products Company, made the first successful MP3 player after Frauenhofer’s MP3 became a disaster Seven years later, He managed to produce and release his MP3 in the US markets This was the earliest Portable player and was known as AMP MP3 Playback Engine4

The first MP3 player was developed by SaeHan Information Systems in 1997 Nevertheless, the first one on the American market was the Eiger Labs F10, a 32MB portable that appeared in the summer of 1998 It was a very basic unit and wasn't user expandable, though owners could upgrade the memory to 64MB by sending the player back to Eiger Labs with a check for $6900 + $795 shipping

The second MP3 player needed was the Rio PMP300 from Diamond Multimedia, introduced in September 1998 The Rio was a big success during the Christmas 1998 season as sales significantly exceeded expectations, spurring interest and investment in digital music The RIAA soon filed a lawsuit alleging that the device abetted illegal copying of music, but Diamond won a legal victory on the shoulders of Sony Corp v Universal City Studios and MP3 players were ruled legal devices Eiger Labs and Diamond and went on to establish a new segment in the portable audio player market and the following year saw several new manufacturers enter this market

Other early MP3 portables include Sensory Science's Rave MP2100, the I-Jam IJ-100 and the Creative Labs Nomad These portables were small and light, but only held enough memory to hold around 7 to 20 songs at normal 128kbit/s compression rates They also used slower parallel port connections to transfer files from PC to player, necessary as most PCs then used the Windows 95 and NT operating systems, which did not support the then newer USB connections, at least well As more users migrated to Win 98 by 2000, all players went USB

At the end of 1999, a company called Remote Solutions significantly broke that barrier by utilizing a laptop drive for song storage rather than low capacity flash memory The Personal Jukebox PJB-100 had 48GB, which held about 1200 songs, and invented what would be called the jukebox segment of digital music portables This segment eventually became the dominant type of digital music player

Also at the end of 1999 the first in-dash MP3 player appeared The Empeg Car and Rio Car renamed after it was acquired by SONICblue and added to its Rio line of MP3 products offered players in several capacities ranging from 5GB to 28GB The unit didn't catch on as SONICblue had hoped, though, and was discontinued in the fall of 2001

There are several types of MP3 players:

  • Devices that play CDs Often, they can be used to play both audio CDs and homemade data CDs containing MP3 or other digital audio files
  • Pocket devices These are solid state devices that hold digital audio files on internal or external media, such as memory cards These are generally low-storage devices, typically ranging from 128MB-1GB, which can often be extended with additional memory As they are solid state and do not have moving parts, they can be very resilient Such players are generally integrated into USB keydrives
  • Devices that read digital audio files from a hard drive These players have higher capacities, ranging from 15GB to 100GB, depending on the hard drive technology At typical encoding rates, this means that thousands of songs—perhaps an entire music collection—can be stored in one MP3 player Apple's popular iPod player is the best-known example

Equipmentedit

Generally speaking, MP3 players are portable, employing internal or replaceable batteries and headphones, although people are increasingly hooking players up to their car and home stereos—sometimes via a wireless connection—thereby turning them into portable jukeboxes Some MP3 players also include FM radio tuners

Many MP3 players can encode directly to MP3 or other digital audio format directly from a line in audio signal radio, voice

Devices such as CD players can be connected to the MP3 player using the USB port in order to directly play music from the memory of the player without the use of a computer

Modular MP3 keydrive players are composed of two detachable parts:the head or reader/writer and the body the memory They can be independently obtained and upgradable one can change the head or the body; ie to add more memory

Common devicesedit

Well-known MP3 players include:

  • Sony Walkman by Sony
  • iPod by Apple Computer
  • Dell DJ by Dell this is actually a rebranded Creative Nomad
  • Creative Nomad by Creative Labs
  • Philips GoGear
  • Microsoft Zune
  • Many models of player by iRiver
    • H320, H340 and clix
  • Currently from iRiver
    • Astell&Kern :AK120, AK240, AK380 etc

There are many software-based MP3 audio applications available for most computer platforms, such as Winamp, Musicmatch Jukebox and iTunes for Macintosh and Windows for PCs; see media player

See alsoedit

  • CD
  • HiFi
  • Home cinema
  • ID3

Referencesedit

  1. ^ https://wwwwiredcom/2008/09/briton-invented/
  2. ^ https://wwwgooglecom/patents/US4667088
  3. ^ http://wwwdailymailcouk/news/article-1053152/Apple-admit-Briton-DID-invent-iPod-hes-getting-moneyhtml
  4. ^ Anonymous "Invention Story of MP3 Player" wwwengineersgaragecom Retrieved 2016-03-31 

External linksedit

  • Collecting MP3 Portables – Part I – Richard Menta's article covers several of the first MP3 players on the market With pictures of each player
  • Mp3 Player Guide – information on mp3 players available
  • MP3 Players – reviews of both flash and hard drive memory players
  • MP3 Player Reviews
  • Portable MP3 Players – features individual player overview and the history of portable MP3 players
  • Podcasting News – has info on using MP3 players to receive podcasts, and a Podcast Directory
  • Mp3 Player Guide – information on mp3 players available

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MP3 player


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    MP3 player beatiful post thanks!

    29.10.2014


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