1. Audio Timeline By: Hannah Terry

2. 1~4 yearWhat it isWebsite 1877 Thomas Alva Edison succeeds in recovering Mary's Little Lamb from a strip of tinfoil wrapped around a spinning cylinder. This made phonograph be made. http://www.aes.org/aeshc/ docs/audio.history.timeline.html 1878 The first ever music was put on record, "Yankee Doodle." http://www.aes.org/aeshc/ docs/audio.history.timeline.html 1881 Clement Ader used carbon microphones and armature headphones produced a stereo effect. http://www.aes.org/aeshc/ docs/audio.history.timeline.html 1895 Marconi successfully experiments with his wireless telegraphy system in Italy http://www.aes.org/aeshc/ docs/audio.history.timeline.html

3. 5~8 YearWhat it isWebsite 1901 Berliner and Johnson eventually joined interests to form the Victor Talking Machine Company. History of Digital Audio: Music Players from Edison to the iPod 1905 Victrola became the industry’s premiere disc phonograph History of Digital Audio: Music Players from Edison to the iPod 1920s Innovation in electrical recording and amplification systems combined with the advent of magnetic recording to help drive the recording industry for the next two centuries. History of Digital Audio: Music Players from Edison to the iPod 1940s Columbia introduced the 33-1/3 RPM long- playing record (LP) History of Digital Audio: Music Players from Edison to the iPod

4. 9~12 YearWhat it isWebsite October 28, 1940 Orson Welles and H.G. Wells meet for the first time on radio station KTSA, San http://www.signalalpha. com/Historical_Audio_& _Video.html 1940 Public Service Announcement from the United States Employment Service seeking woman to replace the men that have entered military service. Historical Audio & Video July 28, 1945 Mutual Radio news reporthttp://www.signalalpha. com/Historical_Audio_& _Video.html May 15, 1947 Cresta Blanca Sherry radio advertisementhttp://www.signalalpha. com/Historical_Audio_& _Video.html

5. 13~16 YearWhat is itWebsite April 1948Mollé Heavier Brushless Shaving Cream radio advertisement http://www.signalalpha.co m/Historical_Audio_&_Vid eo.html December 17, 1953C.B.S. broadcasts the first live color program at 6:15 p.m followed by N.B.C. at 6:30 p.m. http://www.signalalpha.co m/Historical_Audio_&_Vid eo.html 1987The prestigious Fraunhofer Institut Integrierte Schaltungen research center. http://inventors.about.com /od/mstartinventions/a/M PThree.htm 1987Sonifex Discart Machinehttp://www.videointerchan ge.com/audio_history.htm

6. http://www.vi deointerchan ge.com/audio _history.htm

7. 1992 TASCAM DA-88 / DA- 38 8 Track Digital Format http://www.v ideointercha nge.com/aud io_history.ht m

8. 1989 MiniDisc MD Vintage Audio Recording History - Gramophone Phonograph Tape Reel Cartridge Wire 78

9. 1989 mp3 http://www.videoint erchange.com/audio _history.htm

10. 2000 VersaCorder0 Vintage Audio Recording History - Gramophone Phonograph Tape Reel Cartridge Wire 78

11. 2001 Advanced Audio Coding http://www.videointerchange.com/audio_history.htm