Phonograph Invented by Thomas Edison-1877 Recorded sound on a tinfoil sheet that rotated on a cylinder Sound played back through a large horn Hand crank To see a video click the picture.

Gramophone Invented by Emile Berliner 1887 Used flat discs called records instead of a cylinder. First records made of hard rubber Also had a hand crank to turn disc To see a video click the picture.

Gramophone Improvements Emile Berliner worked with Eldrige Johnson to invent a spring motor to spin records No more hand crank Many worked to improve record quality Later, speakers would replace the horn To see a video click the picture.

Radio – 1920s Many scientists discovered radio waves which could transmit sound through the air First radio stations developed in the 1920s Many homes had a radio to listen to music, sports, weather, news To see a video click the picture.

Transistor Radio – 1954 Developed by Texas Instruments company Could listen to favorite station on the go Battery-operated Came in many colors To see a video click the picture above

Portable stereo Developed by Henry Kloss Had a record player, amplifier, and 2 speakers Folded neatly into a suitcase Had to be plugged in To see a video click the picture.

8 track tape Invented by Bill Lear of Lear Jet Company Loop of magnetic tape inside a cartridge Could not fast-forward or rewind First introduced to bring portable music into cars Could also be played in your home on an 8 Track player. To see a video click the picture.

Cassette tape Developed by Phillips company Recorded sound on spools of magnetic tape Could fast forward and rewind Could hold more music than 8-track tapes and better sound Could be played on a stereo, boombox, or cassette player. To see a video click the picture above

Walkman Developed by Sony Used cassette tapes Plug in head phones Battery operated Small and portable To see a video click the picture.

CD Developed by Sony and Phillips A laser beam is used to read information on the CD Can skip songs and select songs Better sound quality than cassette tapes To see a video click the picture

MP3 player MP3 files developed by Fraunhofer Institute in Germany Small Music files with great sound Music files could be transferred from your computer to the portable player Memory chip stores songs – first ones could hold only 6-8 songs + and – buttons to scroll through songs To see a video click the picture.

iPod Developed by Apple Plays MP3 music files Files stored in flash drive memory chip Holds more music than 1 st MP3 players (1,000 songs) Wheel to navigate quickly through songs Use itunes to quickly sync songs from computer To see a video click the picture.

Modern Technology Your phone can also play your favorite music Holds thousands of songs You can select songs on a touch screen You can use Bluetooth to connect your music to car radio, headphones, or speaker without a wire To see a video click the picture.