Sound Card

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Selection Guide

  • WM8960
  • PCM2704
  • PCM5102

Use WM8960

  • Install the driver, make sure use the latest system, enable sound card.
sudo apt-get update
sudo apt-get upgrade
git clone https://github.com/respeaker/seeed-voicecard.git
cd seeed-voicecard
sudo ./install.sh
reboot
Wm8960 driver install.png
  • Check by - > aplay -l and arecord -l
  • Play what record - > arecord -f cd -Dhw:1 | aplay -Dhw:1
  • Tune sound volume by - > alsamixer

Alsamixer

  • L R output mixer L/R input = ?
  • input boost mixer L/R input = a lot of input noise, should not set to maximium
  • L R output mixer boost bypass