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Definitions from the Web

Phonautogram

Description:

A phonautogram is an early analog sound recording made by the phonautograph, an early device developed by Édouard-Léon Scott de Martinville in the 1850s. It was the earliest known method of recording sound waves.

Part of Speech:

Noun

Related Products:

Senses:

1. [Historical] A recording made by the phonautograph.

Usages:

Popular:

Have you heard the phonautogram of Édouard-Léon Scott de Martinville's voice? It's a remarkable piece of history.

Local:

The local museum recently acquired a phonautogram machine to showcase the early days of sound recording.