Bpi-M1 Audio - Banana Pi BPI-M1 Manual

BPI-M1 Audio
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
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