there are only two microphones on the STM32f746DISC. Can I expand into 6 microphones or more?

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fendou1997
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Joined: 11/16/2017 - 5:32am
there are only two microphones on the STM32f746DISC. Can I expand into 6 microphones or more?

Currently, there are only two microphones on the STM32f746DISC. Can I expand into 6 microphones or more, what do I need to modify in the SDK!
Thank you!
Looking forward to your answer!

Andrew
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Last seen: 1 week 1 day ago
Joined: 04/12/2018 - 9:25am

Hello again!

As you mentioned, there are only two built-in mics on the board. You would need to use some external microphone array and modify the BSP to use these mics rather than the internal mics. I don't think that we have ever done this in office, but I believe someone was once able to do it using a raspberry pi with a 6 mic array, and streaming the audio into the ST board. However, I am not sure of the details. 

Keep us posted on your endeavor, thanks!