TechNote: Testing Microphone Arrays with the APx PDM 16 Module
March 16, 2020
This Audio Precision technote discusses MEMS microphone and mic array measurements, including important considerations and a detailed example test procedure.
In this technote, we discuss MEMS microphone array measurements and use a test board with 16 PDM mics configured in a line array to illustrate the typical measurements.
The technote specifically details the test procedure, and important considerations, for measuring key performance factors of the microphone array using a PDM 16-equipped APx525 audio analyzer.
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