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Scott's Phonautograph, Early Sound Recorder, 1857

The phonautograph is the earliest known device for recording sound. Invented by Frenchman Edouard-Leon Scott de Martinville, 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. Intended solely as a laboratory instrument for the study of acoustics, it could be used to visually study and measure the amplitude envelopes and waveforms of speech and other sounds, or to determine the frequency of a given musical pitch by comparison with a simultaneously recorded reference frequency.
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Title:
Scott's Phonautograph, Early Sound Recorder, 1857
Caption:
The phonautograph is the earliest known device for recording sound. Invented by Frenchman Edouard-Leon Scott de Martinville, 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. Intended solely as a laboratory instrument for the study of acoustics, it could be used to visually study and measure the amplitude envelopes and waveforms of speech and other sounds, or to determine the frequency of a given musical pitch by comparison with a simultaneously recorded reference frequency.
Credit:
Album / Science Source / Wellcome Images
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Model: No - Property: No
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Image size:
3600 x 2613 px | 26.9 MB
Print size:
30.5 x 22.1 cm | 12.0 x 8.7 in (300 dpi)
Keywords: