The Invention of the Phonograph

The Invention of the Phonograph

Assessment

Interactive Video

Performing Arts

KG - University

Hard

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The video explores Thomas Edison's groundbreaking work in sound recording, starting with his 1877 discovery of using a needle to etch sound onto a medium. It details the mechanics of the phonograph, which records sound by etching grooves into tinfoil wrapped around a brass cylinder. Edison's first recording was his voice reciting 'Mary Had a Little Lamb.' The video also covers Emile Berliner's development of the gramophone, which used a flat disk instead of a cylinder, marking the beginning of the recording industry.

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2 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe how sound waves are converted back into sound using the phonograph.

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What was the main function of the gramophone developed by Emile Berliner?

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