The History of Portable Listening Devices

Presented By: Jazmine Mckethan

Period: 8/9♪Yeah, and my dreams who Im

racing withYou can see Im pacin it so that

Im always chasin it♪ -

Drake

The Walkman

EventsThe inventor of the walkman was Andreas Pavel.

The walkman was introduced in the U.S. in June 1980.

THE INVENTOR OF THE W

ALKMAN

Andreas Pavel (born in 1945) is a German-Brazilian inventor who is the 'father' of the portable personal stereo cassette player, better known as the Walkman.

CD Players

EventsCD players were first developed by both Sony and Phillips in the mid 1970s.Between the CD player’s inception and the year of 2007, over 200 billion CD’s had been sold worldwide.

THE INVENTOR OF THE CD PLAYER

James T. Russell, a senior scientist at the Pacific Northwest Laboratory, invented the technology for the compact disc in 1965. By 1985, Russell had earned 26 patents for various innovations with CD-ROM technology.

MP3 Players

EventsA German Company Fraunhofer-Gesellshaft developed mp3 players.

Mp3 stands for MPEG Audio Layer III (Motion Pictures Expert Group).

THE INVENTOR OF THE M

P3 PLAYER

Nathan M. Schulhof was the visionary behind the devices known today by most people as MP3 players.

IPods

EventsIPods were first released in Oct. 23. 2001.Within any generation of iPods, various models have been available with different sizes of hard drives, at different price points.

THE INVENTOR OF THE IPOD

One man that could be named the father of the iPod is Tony Fadell. He was a former employee of General Magic and Phillips who wanted to invent a better MP3 player.

Bibliography•N/A. Inventor of walkman wins millions from Sony dispute over, June 3, 2004 The Independent Science Sept. 9, 2010, http://www.independent.co.uk/news/science/inventor-of-walkman-wins-millions-from-sony-dispute-over-730910.html•Haire, Megan. The Walkman, July 1, 2009 Time Sept. 9, 2010, [http://www.time.com/time/nation/article/0,8599,1907884,00.html]•Ehow Contributor. What is the history of the CD Player?, N/A Ehow Sept. 11, 2010, [http://www.ehow.com/facts_4868284_what-history-cd-player.html]•Bellis, Mary. History of MP3 Player, N/A About.com Sept. 10, 2010, [http://inventors.about.com/od/mstartinventions/a/MPThree.htm]•Bellis, Mary. History of IPods, N/A About.com Sept 11, 2010, [http://inventors.about.com/od/istartinventions/a/iPod.htm]

The History of Portable Listening Devices

Presented By: Jazmine MckethanPeriod: 8/9♪ We give alot of

money to the babies out in HaitiYellin all around

the worldDo you hear me ♪

- Nicki