MEMS (sensors)

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Resolved! Microphones streaming through I2S

Hi,I'm trying to implement the streaming of two MEMS microphones via I2S.Following some examples provided by ST, I was able to implement the acquisition of the two microphones: I obtain a 32 samples buffer PCM every 1 ms (left and right channel).Now ...

Fib by Associate II
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two independent MEMS pdm acquisition

Posted on March 29, 2017 at 12:47Hello STM!I am facing a new goal: I want to build my own diferencial beamforming 2 MEMS PDM microphone array to achieve kardioid directivity pattern.So i need to get data out of two MEMS mics simultaneously ... i mea...

stereo recording with 2 MEMS mics... Capturing both channels

Posted on January 19, 2016 at 09:16Hello everyone, I have a STM32F4-Discovery board with an integrated MP45DT02 MEMS mic, and I've bought also anothere mic (an MP34DT01), I would like to record at the same time from the 2 mics. By now I've captured ...

mad88 by Associate II
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How PDM_Filter_XX_XX works?

Posted on December 29, 2016 at 15:42I'm trying to connect SPH0641LU4H-1 microphone to STM32F411RE Nucleo board.According to the Wikipedia https://en.wikipedia.org/wiki/Pulse-density_modulation format should represent lowest and highest amplitude as ...