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Harvey Fletcher
Harvey Fletcher
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Two microphones set up to record a piano simultaneously, which creates a stereo sound
Two microphones set up to record a piano simultaneously, which creates a stereo sound
Diagram of Clément Ader's théatrophone prototype at the Opera during the World Exhibition in Paris (1881)
Diagram of Clément Ader's théatrophone prototype at the Opera during the World Exhibition in Paris (1881)
Bell Labs binaural demonstration at World's Fair
Bell Labs binaural demonstration at World's Fair
Domestic stereo system, having two speakers
Domestic stereo system, having two speakers