BPI-M1 Audio

Banana pi BPI-M1 support two audio device HDMI and headphone
How to choose HDMI or headphone for audio output
sudo nano /etc/asound.conf
pcm.!default {
type hw
card 0    //If you want to set HDMI as output ,turn 0 to 1.
device 0
}
ctl.!default {
type hw
card 0   //If you want to set HDMI as output ,turn 0 to 1.
}
Plug in the headphone and type
speaker-test -twav -c2
The sound "sound left，sound right，sound left" will output from headphone.
sudo apt-get install espeak
espeak "hello"　　          //say: hello
espeak "hello_bananapi"　　  //say: hello banana pi
Run the sound volume controler,you can see
sudo alsamixer

BPI-M1 SD card slot

Building the cluster on BPI

Last modified 3yr ago