入手一塊OrangePi,寫了個App程序通過USB聲卡來輸出聲音,運行alsamixer
但是選中後,關閉AlsaMixer後仍然爲audiocodec 。
解決方法:
vim .asoundrc
defaults.ctl.card 0
defaults.pcm.card 0
其中0爲默認聲卡,具體數字需要查看自己的具體聲卡標號
lzj@orangepi:~$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: audiocodec [audiocodec], device 0: SUNXI-CODEC sndcodec-0 []
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: sndhdmi [sndhdmi], device 0: SUNXI-HDMIAUDIO sndhdmi-0 []
Subdevices: 1/1
Subdevice #0: subdevice #0
card 2: Device [USB PnP Sound Device], device 0: USB Audio [USB Audio]
Subdevices: 1/1
Subdevice #0: subdevice #0