Researched
Sound Recording
Edison's phonograph (1877) records and plays back sound; Scott had traced sound waves without playback in 1857.
Open in the interactive tree →Foil and then wax cylinders, followed by Berliner's flat disc (1887), created the record industry and let music and speech outlive the moment. Magnetic tape in the 1930s and digital audio later extended the idea.
Prerequisites
- Electric Telegraph1844
- Telephone1876
Unlocks
- Broadcasting & Television1920Radio programmes relied on recorded music and speech
- Songbirds learn their songs1954-1970
- Humpback whale song described1971
- Vervet monkey alarm calls1980
- Saving Endangered Languagesopen