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Alexander Graham Bell was the first to create a telephone in 1875, or method to reproduce sound, although there were other contemporaries that were working on similar methods.

See the Wikipedia article:
http://en.wikipedia.org/wiki/Alexander_Graham_Bell

Certainly people had been making Musical Instruments for thousands or millions of years, and had some idea of vibrations and sound.

Anybody know who first characterized sound as a wave?

Oh, was reading about Doppler. He discovered the Doppler effect in 1842. Prior to Alexander Bell's telephone. This would be an early effort to evaluate the wave effect of sounds.

I'm also seeing notes that the Phonautograph was was invented by the Frenchman Édouard-Léon Scott de Martinville and patented in 1857. It was able to "record" sounds, but without playback. I assume in part it was used to look at sound waves. Record players and phonographs came in 1877 invented by Thomas Edison.

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