Questions tagged [matrix-creator]

The MATRIX Creator is a general purpose add-on board featuring a MEMS Microphone Array, microcontroller, FPGA, various sensors, etc. It is intended for use with the Raspberry Pi.

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Error running micarray_recorder from matrix-creator-hal

I've compiled the demos for matrix-creator-hal and I'm trying to run micarray_recorder. It fails because the call to GetFPGAFrequency returns zeros. (This causes a floating point exception because ...
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MATRIX Creator : Getting microphone input into pulseaudio?

A note on versions; PulseAudio 10.0 Raspbian - upgraded only (not dist-upgrade) to stretch to get Pulse Audio 10 ALSA reports the following virtual PCM interfaces; mic_channelX is the Matrix ...
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how to configure the microphone array of Matrix Creator

Try to use the microphone array of Matrix Creator via JS, noticed the below JS testing code on github, but Any idea of the right configurations for these settings? many thanks // setup gain for all ...