统信桌面操作系统专业版V20（1070）
Linux uos 5.10.97-arm64-desktop

uos基础 aplay 查看音频设备信息

code@uos:~$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: analoglessmachi [analog-less-machine-card], device 0: hwcxext_codec hwcxext_codec-0 []
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: analoglessmachi [analog-less-machine-card], device 1: analog_less_machine_pc_btsco asp-codec-codecless-1 []
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: analoglessmachi [analog-less-machine-card], device 2: analog_less_machine_pc_fm asp-codec-codecless-2 []
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: analoglessmachi [analog-less-machine-card], device 3: analog_less_machine_pc_hdmi asp-codec-codecless-3 []
  Subdevices: 1/1
  Subdevice #0: subdevice #0