1. By: Mackenzie Burt. Mr. Hardin's 3rd period.
Audio timeline!
By: Mackenzie Burt.
Mr. Hardin's 3rd period.

2. 1452-1519 Leonardo DaVinci, discovered sound moves in waves.

3. 1520
Christian Doppler later discovered that sound waves could be compressed or expanded, thereby.

4. 1753
The first horns were monotone instruments. Hampel invented the means of applying movable slides (crooks) of various length that changed the key of the horn.

5. 1827
Sir. Charles Wheatstone was the first person to create the microphone.

6. 1857
Édouard-Léon Scott de Martinsville invented the phonautograph, the first device that could record sound waves as they passed through the air.

7.
The Dickson Experimental Sound flim is a film made by William Kennedy-Laurie Dickson

8. 1877
Thomas Alva Edison, was working in his lab when he succeeded in recovering Mary's Little Lamb from a strip of tinfoil wrapped around a spinning cylinder.

9. 1878
In 1878 was when the first recording came out. It was Yankee Doodle. It was cornetist Jules Levy.

10. 1910
Nathaniel Baldwin invented the first headphone. The first headphone was made from leather, ceramics, copper and rubber.

11. 1918 Nathaniel Baldwin was the inventor of the first earphones.

12.
Although headphones have been around since 1919, Beyer dynamic were the first to invent the headphones for commercial use in the late 1930s.

13. 1929
Harry Nyquist published the mathematical foundation for the sampling theorem basic to all digital audio processing

14. 1932
The first cardioids ribbon microphone is patented by Dr. Harry F. Olson of RCA.

15. 1958 John C. Koss invented the first stereo headphones.

16. 1975 Digital tape recording begins in professional audio studios.

17. 1979
Sony introduces a palm-sized stereo cassette tape player called a "Walkman.“

18. 1982
 The first CD player was invented by Sony and was released to the world in October of 1982 at a cost of around $900.

19. 1995
 The first DVD player known as the Digital versatile Disc was invented in the early 1990's and was announced to the public in 1995.

20. 1997
DVD videodiscs and players are introduced. An audio version with 6-channel surround sound.

21. 1998 MP-3 players for downloaded Internet audio appear.

22. 1999 Audio DVD Standard 1.0 agreed upon by manufacturers.