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- Shigeichi Negishi - Wikipedia
Shigeichi Negishi (November 29, 1923 – January 26, 2024) was a Japanese engineer who invented the earliest prototype of the karaoke machine Using a speaker, a microphone, and a tape deck, he was able to simultaneously amplify his voice and play an instrumental backing track Although Daisuke Inoue receives more international recognition for a similar invention, the All-Japan Karaoke
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