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Sansui QS sound decoder
Sansui QS sound decoder
An RCA Quadradisc record
An RCA Quadradisc record
A four-channel reel-to-reel tape unit from the 1970s, one of the few ways to achieve discrete four-channel sound at home
A four-channel reel-to-reel tape unit from the 1970s, one of the few ways to achieve discrete four-channel sound at home
Ambisonic mixing equipment
Ambisonic mixing equipment
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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