phonautograph meaning in Hindi

Examples

1. Reproduction of the recorded sound was not possible with the original phonautograph.
2. His phonautograph was constructed as an ear canal, eardrum and ossicles.
3. Unlike the phonautograph, it was capable of both recording and reproducing sound.
4. The phonograph expanded on the principles of the phonautograph.
5. The phonautograph was pre-Edison and made accurate sound tracings on smoked glass cylinders.
6. Scott's phonautograph was intended purely for the visual study and analysis of the tracings.
7. The "'phonautograph "'is the earliest known device for recording sound.
8. Arguably, these circa 1887 experiments by Berliner were the first known reproductions of sound from phonautograph recordings.
9. I know of no one having done the obvious task of translating these phonautograph traces to wave files.
10. The earliest known recordings of the human voice are phonautograph recordings, called " phonautograms ", made in 1857.