History
The soundfield mic was invented by Michael Gerzon and Peter Craven. Their theoretical design was developed into a practical microphone system by Calrec Audio Limited, who launched the first soundfield mic in 1978.
In 1993, the soundfield mic part of Calrec was separated out as the company SoundField Limited, who further developed the range of products. Since the original patents relating to the soundfield mic expired, other companies have started to manufacture soundfield mics.
Read more about this topic: Soundfield Microphone
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