1. Mr. Davis By: Carrson Ford 1 st - 2 nd period A Day 1

2. Time Line 2 1857 Édouard-Léon Scott de Martinville invented the phonautograph. A machine that could record sound but not play them back. 1877 Thomas Edison invented the phonograph cylinder the first successful recording and playable device. 1889 Emile Berliner is credited with the production of gramophone record. An invention that lasted until the late 20 th century. 1898 Valdemar Poulsen created the telegraphone, the first version of magnetic recording. 1920’s Curt Stille evolved the telegraphone into wire recorders by applying electricity. 1935 Engineers at AEG created the K1, the first practical magnetic tape recorder.

3. Time Line 3 1972 The first digital audio recorders were reel-to-reel decks introduced by companies such as Denon (1972), Soundstream (1979) and Mitsubishi. 1991 First released in 1991, by Alesis, the ADAT machine is capable of recording 8 tracks of digital audio onto a single S-VHS video cassette 1982 The CD was developed by Philips and Sony and was originally developed to store and play only sound recordings (CD-DA), but was later adapted for storage of data (CD- ROM). 1997 Michael Robertson founded mp3.com in November and became the #1 music site withing 12 months of its release.

4. The Original Recording Device The first recording device was called the phonautograph. It was invented by Édouard-Léon Scott de Martinville in 1857. This invention changed history, although, it was only able to record sounds and unable to play them back. It was patented on March 25, 1857. It transcribed sound waves as undulations or other deviations in a line traced on smoke-blackened paper or glass. 4

5. Improvements And Impact Recording devices have come a long way since the phonautograph. Not only can we play back sounds, but, we can also share, publish, create, take it with us, buy songs, etc. Recording devices have had a HUGE global impact. In fact, it has shaped society into what it is today. These devices have brought people together in unimaginable ways. It has also given many people jobs and increased the economy. And determined the outcome of wars. 5

6. Disciplines Recording devices are used everywhere. They are used at parties as DJ tables, education as video lessons, and for pleasure as ipods to listen to music. Almost everyone has some sort of recording device such as ipods/ipads to computers. It has also determined the outcome of wars by communicating with allies. 6

7. Questions A) It was invented in 1857 B) It addressed the need to communicate over long distances and to express opinions through music. C) It was first invented by Édouard-Léon Scott de Martinville. D) The phonautograph was patented in 1857 E) The gramophone parts include the stylus (or needle), a vibrating diaphragm, a mechanical crank, a horn, a rotating cylinder, and some tinfoil to record on. F) Scott created several variations of the device. The functions of the ear canal and eardrum were simulated by a funnel-like horn or a small open-ended barrel with a flexible membrane of parchment or other suitable material stretched over the small end. A pig bristle or other very lightweight stylus was connected to the membrane, sometimes by an indirect linkage which roughly simulated the ossicles and served as an amplifying lever. The bristle traced a line through a thin coating of lampblack—finely divided carbon deposited by the flame of an oil or gas lamp—on a moving surface of paper or glass. The sound collected by the simulated ear and transmitted to the bristle caused the line to be modulated in accordance with the passing variations in air pressure, creating a graphic record of the sound waves. G) The product is now able to play back sounds, we can also share, publish, create, take it with us, buy songs, etc. H) These improvements were made to bring people together and make communication easier. I) This product is used by the military, DJs, and ordinary people. J) Recording devices have had a HUGE global impact. In fact, it has shaped society into what it is today. These devices have brought people together in unimaginable ways. It has also given many people jobs and increased the economy. And determined the outcome of wars. K) If I could improve these devices in any way I would make it so that you could make music for free. 7

8. References http://en.wikipedia.org/wiki/Phonautograph http://en.wikipedia.org/wiki/Sound_recording_and_r eproduction http://en.wikipedia.org/wiki/Sound_recording_and_r eproduction http://en.wikipedia.org/wiki/History_of_sound_recor ding http://en.wikipedia.org/wiki/History_of_sound_recor ding http://www.recording- history.org/HTML/musictech1.php http://www.recording- history.org/HTML/musictech1.php 8