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Very primitive carbon microphones for radio had existed since the 1920s, but they distorted the female voice and were not effective for playing many types of music. The state of the art in microphones continued to improve, but it still lacked the audio quality radio broadcasters sought. By the 1950s and early 1960s, new technologies like television and 45 rpm phonograph records had become popular, increasing the demand for improvements in acoustic technology. Radio stations continued to need better microphones, and modern recording devices (tape recorders, for example) also needed improvements in quality and fidelity; even hearing aids needed a way to offer improved sound. Thus, West and his colleague Gerhard Sessler were trying to develop a microphone that would provide this improved audio; and their 1962 invention became very successful.

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13y ago

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