-
Invented by Édouard-Léon Scott de Martinville. First recording device of sound through air. http://en.wikipedia.org/wiki/History_of_sound_recording
-
Perfected by Thomas Edison. Uses a cylinder. http://en.wikipedia.org/wiki/History_of_sound_recording
-
Patented by Emile Berliner. Uses a disc. http://en.wikipedia.org/wiki/History_of_sound_recording
-
First publicised by Oberlin Smith. Recording on a wire. http://en.wikipedia.org/wiki/Magnetic_recording
-
Marconi builds the radio. http://en.wikipedia.org/wiki/History_of_radio
-
Records released. http://en.wikipedia.org/wiki/Gramophone_record
-
Sound is first released with film. http://en.wikipedia.org/wiki/History_of_sound_recording
-
First demonstrated. Created by engineers, calling it the 'K1'. http://en.wikipedia.org/wiki/History_of_sound_recording
-
AEG (a german electrical company) developes tape recorders. http://en.wikipedia.org/wiki/History_of_sound_recording
-
Developed by German audio engineers. http://en.wikipedia.org/wiki/History_of_sound_recording
-
Introduced by Philips. http://en.wikipedia.org/wiki/History_of_sound_recording
-
Walkman is first invented. http://en.wikipedia.org/wiki/Walkman
-
First made available in North America. http://en.wikipedia.org/wiki/Laserdisc
-
Slowly replacing analog tape recording, though not completely. http://en.wikipedia.org/wiki/History_of_sound_recording
-
First made commercially available. http://en.wikipedia.org/wiki/Compact_disc
-
First announced. http://en.wikipedia.org/wiki/MiniDisc
-
Released to the public. http://en.wikipedia.org/wiki/MP3
-
First released. http://en.wikipedia.org/wiki/Napster
-
SoundJam MP, developed and released in 1999, is purchased by Apple and renamed. http://en.wikipedia.org/wiki/ITunes
-
File sharing program. First release by Bram Cohen. http://en.wikipedia.org/wiki/BitTorrent
-
First iPod is released by Apple. http://en.wikipedia.org/wiki/IPod
-
The foundation of YouTube. http://en.wikipedia.org/wiki/YouTube
-
iPod touch is first released. http://en.wikipedia.org/wiki/IPod_Touch
-
Released to the public in 2012. Larger screen than previous versions.
-
And the picture used comes from the site http://radio.silent-movie.ru/.