Phonautograph
AKA
phonoautogram
Era
1857–1860s
Format
analog
Developed by
Édouard-Léon Scott de Martinville
(Max) Capacity
Under a minute
Size
sheet of paper
Fun facts
- This is the earliest known device for recording sound
- Recordings from this format were not able to be played back until researchers were able to process them in 2008
- The design of this recording device was meant to mimic the human ear drum
