1. BY: Carlee Phillips Mr.Hardin
Audio Timeline!
BY: Carlee Phillips
Mr.Hardin

2. 1870s
The very first Phonograph Cylinder recording was made by Thomas Edison.
They were made by the outside surface of a strip of tinfoil wrapped around a rotating metal cylinder.

3. 1877 Edison introduces an electric motor-driven phonograph.

4. 1878 Edison built a spring motor and an experimental disc phonograph.

5.
The Berliner Hand-Wind Gramophone was made by inventor Emile Berliner.
It had no motor, the lack of the motor it was very difficult for the operator to manually crank the turntable at a steady speed.

6. 1898
Valdemar Poulsen patents his "Telegraphone," recording magnetically on steel wire.

7. 1898
78 RPM records are unique from of records that are require unique equipment to play.
They are the oldest from of recording music.
Always made of different material then what most people would think of.

8. 1919
The Radio Corporation of America (RCA) is founded. It is owned in part by United Fruit.

9. 1948 The Vinyl record was made in 1948.
It use used a spiral groove that runs from the outer edge of the disc to the center to record and play sound.

10. 1964 The 8-track tape was invented in 1964.
In the 1960’s- 1970’s the 8- track tape grew and people were starting listen to it in their vehicle.

11. 1969 The Microcassette was introduced by Olympus in 1969.
It was an audio storage used for recording voice like in answering machines.
It was the same width of a standard audio cassette tape.

12. 1981 Philips demonstrates the Compact Disc (CD).

13. 1983
Fiber-optic cable is used for long-distance digital audio transmission, linking New York and Washington, D.C.

14. 1984 The Apple Corporation markets the Macintosh computer.

15. 1990s
The Digital Compact Cassette was a short-lived audio format created in the early 1990s by Philips.

16. 1999
In 1999 Akamai Technologies, announced a stagey fro steaming aduio all over the internet.

17. 1999
In 1999 a Super Audio which is a high-resolution read only audio disc was developed by Sony and Philips.

18. 2000
DVD-Audio is a digital format for high-fidelity audio for content on a DVD.
This was developed by DVD Forum.

19. 2004 The Dual Disc was a double sided disc.
On side was an audio layer and the other was an standard DVD layer.

20. 2005 The Playaways is an audio book.

21. 2008
Slotmusic was a type of microsd memory card developed by SanDisk preloaded.

22. The END!!!