Last year, a Santa Clara, CA startup named GPiO set out to solve the problem of comparing hardware components across vendors. With a veteran audio engineer as one of their founders, they decided to start with the microphone component and grow from there to other verticals. They gathered more than 60 of the top microphones from vendors like Knowles, ST, Cirrus and Invensense, then measured them objectively in their own lab.

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For more detail: A better way to search for microphone components