Microphone Input Sony Spresense

Other Hardware 3rd Party Boards
1

Hi,

For a project I need to localize a sound with the help of 4 microphone using the Sony Spresense board with an extension board. Unfortunately there isn't much support available for this board and I have been struggling ever since.

The localisation isn't a problem. I already know to do it (calculating the delay and by knowing the distance between the microphones and the speedof sound). The only problem is that I don't know how to read the pins from it. I'm trying it with tho microphones connected to channel A but don't know how to read if it's registering something or not, aka showing 1's and zero's? I would just like to visualize the amplitudes of the sound captured by the microphones but I just can't figure it out.

Thanks for helping me out!

2

The tool of choice would be an oscilloscope with at least two channels. I do not know the board but you could measure from the FX output as the signal will be amplified and the delay through each channel will be almost the same. Once you are comfortable with that you could set up an Arduino and 4 Analog channels to do what you want and have it do the calculations for you.

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