MP3 PLAYER
WHAT IS AN MP3 PLAYER ?
A device for playing MP3 files.
HISTORY
Unsuccessful MP3 player developed by Frauenhofer in the early 1990s.
WinPlay3 was the first real-time MP3 audio player.
HISTORY
AMP MP3 Playback Engine - the first successful MP3 player in 1997
Justin Frankel and Dmitry Boldyrev -ported AMP to Windows and created Winamp.
HISTORY
In 1998, Winamp became a free MP3 music player boosting the success of MP3.
ORIGIN OF MP3 TECHNOLOGY
MP3 (MPEG Audio Layer III ) - standard for audio compression that makes any music file smaller.
MPEG, (Motion Pictures Expert Group), standards for displaying video and audio using lossy compression.
ORIGIN OF MP3 TECHNOLOGY
Fraunhofer-Gesellshaft – A German Company that releases the license for the music technology.
WHAT CAN MP3 DO ?
1 second – 1.400Mbit (CD quality)
In CD quality a 4min song uses 40 MB, but reduces to 4MB only in MP3 format.
Other Formats
WMA - Windows Media AudioWAV - Waveform AudioMIDI - Music Instrument Digital
Interface.AAC - Advanced Audio CodingOgg Vorbis A free, open and un-
patented music format
Other Formats
ADPCM - Adaptive Differential Pulse Code Modulation
ASF - Advanced Streaming Format
VQF - Vector Quantization FormatATRAC - Sony's Adaptive Transform
Acoustic Coding 3
PORTABLE PLAYERS
The first MP3 players (1998)
MPMan - introduced by Eiger Labs. It has a storage capacity of 32MB (about 10-20 songs) and sold for $69.
PORTABLE PLAYERS
The first MP3 players (1998)
RIO PMP300 – Produced by Diamond Multimedia and was introduced on September 15, 1998.
The Technology
MP3 players uses solid-state memory. It has an embedded software application that allows users to transfer MP3 files to the player
The Technology – (Basic Parts)• Data port• Memory• Microprocessor• Digital signal processor (DSP)• Display
The Technology – (Basic Parts)
• Playback controls• Audio port• Amplifier• Power supply
The Technology – (How it Works)
TYPES OF MP3 PLAYERS
4 BASIC TYPES OF MP3 PLAYERS
1. Flash Memory Players
The smallest and lightest and typically stores fewer songs than hard drive players
4 BASIC TYPES OF MP3 PLAYERS
2. Hard Drive and Mini-hard Drive Players
Larger and heavier than flash memory players and offer considerably more storage.
4 BASIC TYPES OF MP3 PLAYERS
3. MP3 CD and Mini-Disc MP3 Players
These MP3 files are burned to CD-R/RW discs from your old CD collection and used in the MP3 CD player
4 BASIC TYPES OF MP3 PLAYERS
4. Hybrid Players
MP3 is no longer just a stand-alone technology. Companies are now offering MP3 capability in other consumer products
MP3 PLAYER
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