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SETTING UP THE SYSTEM
CONTINUED
2
Connect the
Cables
Connect the micro-B end of a USB cable into debug port J1701. Connect the other
end of the cable to a PC acting as a host terminal. Connect the USB Type-C plug of
the Power Supply to J302 (USB Type-C Port2), then power up the board using switch
SW101. Use only J302 for power delivery to the board.
3
Record
Audio
At the linux command line in the shell terminal you can use the arecord command to
record audio. The following command will record a 5-second long .wav file on all 8
microphone channels at 48kHz sampling rate and 16-bits.
% arecord -D hw:3,0 -c 8 -f S16_LE -r 48000 -d 5 sample.wav
9