Speech Module

MIC array

Product Parameters

Model: MOD-MIC-4XAnalog
Connection method: USB connection

Physical map

Missing image: ../../../rk3308_img/Core-3308Y/module/module_speech-MOD-MIC-4XAnalog.jpg

Digital MIC Instructions for Use

Connection Diagram

Missing image: ../../../rk3308_img/Core-3308Y/module/module_speech-MOD-MIC-4XAnalog-connect.jpg

Recording

Check the sound card recognized by the system, where USB-Audio is the USB sound card

/ # cat /proc/asound/cards
  0 [rockchiprk3308b]: rockchip_rk3308-rockchip,rk3308b-acodec
                       rockchip,rk3308b-acodec
  1 [Audio ]: USB-Audio - AC108 USB Audio
                       XPowers AND ST AC108 USB Audio at usb-ff440000.usb-1.1, full speed
  7 [Loopback]: Loopback - Loopback
                       Loopback 1

recording:

arecord -D hw:1,0 -c 8 -r 16000 -f S16_LE test.wav

Play:

aplay test.wav