MP3 player

digital audio playerMP3 playersmusic playerDAPaudio playerMP3music playersportable music playersaudio devicesDigital audio
An MP3 player is an electronic device that can play MP3 digital audio files.wikipedia
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Digital audio

digital musicdigitalaudio
An MP3 player is an electronic device that can play MP3 digital audio files.
Digital audio can be stored on a CD, a digital audio player, a hard drive, a USB flash drive, or any other digital data storage device.

Kane Kramer

In 1981, Kane Kramer filed for a UK patent for the IXI, the first Digital Audio Player.
He is credited with the initial invention of the digital audio player, in 1979.

MP3

.mp3MP3 downloadMP3 files
An MP3 player is an electronic device that can play MP3 digital audio files.
Files or data streams conforming to this standard must handle sample rates of 48k, 44100 and 32k and continue to be supported by current MP3 players and decoders.

IXI (digital audio player)

IXI
In 1981, Kane Kramer filed for a UK patent for the IXI, the first Digital Audio Player.
The IXI was the world's first digital audio player.

Vorbis

Ogg VorbisOGGaoTuV
Most players play more than the MP3 file format, such as Windows Media Audio (WMA), Advanced Audio Coding (AAC), Vorbis, FLAC, Speex and Ogg.
Vorbis is supported by several large digital audio player manufacturers such as Samsung, SanDisk, Rio, Neuros Technology, Cowon, and iriver.

Rio PMP300

Diamond Rio
Another early MP3 player needed was the Rio PMP300 from Diamond Multimedia, introduced in September 1998.
The Rio PMP300 is one of the first portable consumer MP3 digital audio players, and the first commercially successful one.

Diamond Multimedia

DiamondDiamond AudioDiamond Monster 3D
Another early MP3 player needed was the Rio PMP300 from Diamond Multimedia, introduced in September 1998.
They have produced graphics cards, motherboards, modems, sound cards and MP3 players, however the company began with the production of the TrackStar, a PC add-on card which emulated Apple II computers.

Ogg

OGM.oggOgg Writ
Most players play more than the MP3 file format, such as Windows Media Audio (WMA), Advanced Audio Coding (AAC), Vorbis, FLAC, Speex and Ogg.
Although Ogg hadn't reached anywhere near the ubiquity of the MPEG standards (e.g., MP3/MP4), it was commonly used to encode free content (such as free music, multimedia on Wikimedia Foundation projects and Creative Commons files) and had started to be supported by a significant minority of digital audio players.

MPMan

MPMan F10Eiger Labs MPMan F10
In 1997, the world's first MP3 player, the MPMan F10, was developed by a South Korean company SaeHan Information Systems.
The MPMan music player, manufactured by the South Korean company SaeHan Information Systems, debuted in Asia in March 1998, and was the first mass-produced portable solid state digital audio player.

Personal Jukebox

PJB-100the battery section
The Personal Jukebox (PJB-100) had 4.8GB, which held about 1,200 songs, and invented what would be called the jukebox segment of digital music portables.
The Personal Jukebox (also known as PJB-100 or Music Compressor) was the first consumer hard drive-based digital audio player.

Memory card

memory cardsFlash memory cardmedia card
These are commonly used in portable electronic devices, such as digital cameras, mobile phones, laptop, computers, tablets, PDAs, portable media players, video game consoles, synthesizers, electronic keyboards and digital pianos.

USB flash drive

flash driveUSB flash drivesUSB drive
Modular MP3 keydrive players are composed of two detachable parts: the head (or reader/writer) and the body (the memory).
Many low-cost MP3 players simply add extra software and a battery to a standard flash memory control microprocessor so it can also serve as a music playback decoder.

SaeHan Information Systems

Saehan MediaSaehan Media
In 1997, the world's first MP3 player, the MPMan F10, was developed by a South Korean company SaeHan Information Systems.
SaeHan Information Systems is credited with the development of the world's first MP3 player.

USB

USB 2.0Universal Serial BusMicro USB
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.

Headphones

headphoneearphoneearphones
Generally speaking, MP3 players are portable, employing internal or replaceable batteries and headphones, and may be connected to car and home stereos via a wireless connection such as bluetooth.
Headphones may be used with stationary CD and DVD players, home theater, personal computers, or portable devices (e.g., digital audio player/MP3 player, mobile phone).

High fidelity

hi-fihigh-fidelityHiFi
Generally speaking, MP3 players are portable, employing internal or replaceable batteries and headphones, and may be connected to car and home stereos via a wireless connection such as bluetooth.
Other modules in the system may include components like cartridges, tonearms, hi-fi turntables, Digital Media Players, digital audio players, DVD players that play a wide variety of discs including CDs, CD recorders, MiniDisc recorders, hi-fi videocassette recorders (VCRs) and reel-to-reel tape recorders.

CD player

CD changerCD playersCompact Disc player
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.
In 1998, portable MP3 players began to compete with portable CD players.

Portable media player

media playerportable media playersdigital audio players
It is a type of digital audio player, or portable media player.

Windows Media Audio

WMAWMA LosslessWMA Pro
Most players play more than the MP3 file format, such as Windows Media Audio (WMA), Advanced Audio Coding (AAC), Vorbis, FLAC, Speex and Ogg.

Advanced Audio Coding

AACAAC-LCMPEG-4 AAC
Most players play more than the MP3 file format, such as Windows Media Audio (WMA), Advanced Audio Coding (AAC), Vorbis, FLAC, Speex and Ogg.

FLAC

Free Lossless Audio Codec.flacFLAC
Most players play more than the MP3 file format, such as Windows Media Audio (WMA), Advanced Audio Coding (AAC), Vorbis, FLAC, Speex and Ogg.

Speex

SPX.spxlibspeex
Most players play more than the MP3 file format, such as Windows Media Audio (WMA), Advanced Audio Coding (AAC), Vorbis, FLAC, Speex and Ogg.

Liquid-crystal display

LCDliquid crystal displayLCD screen
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 8MB of data in a solid-state bubble memory chip with a capacity of 3½ minutes' worth of audio.

Fraunhofer Society

FraunhoferFraunhofer InstituteFraunhofer-Gesellschaft
In 1987 a German research institute, part of the Fraunhofer-Gesellschaft, started the research program for coding music with the high quality and low bit-rate sampling at its institute.

Karlheinz Brandenburg

Dr. Karlheinz BrandenburgBrandenburg, Karlheinz
The project was controlled by an expert in mathematics and electronics, Karlheinz Brandenburg.