ubuntu 列出当前主机上的声卡

ubuntu 列出当前主机上的声卡
1. lspci 命令
$ lspci |grep -i audio
00:1f.3 Audio device: Intel Corporation Device 43c8 (rev 11)
01:00.1 Audio device: NVIDIA Corporation TU104 HD Audio Controller (rev a1)

2. aplay 命令
$ aplay -l
内容很多...

3. arecord 命令
$ $arecord -l
**** CAPTURE 硬體裝置清單 ****
card 0: PCH [HDA Intel PCH], device 0: ALC3246 Analog [ALC3246 Analog]
  子设备: 1/1
  子设备 #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 2: ALC3246 Alt Analog [ALC3246 Alt Analog]
  子设备: 1/1
  子设备 #0: subdevice #0

4. pactl 命令(pulse audio control 命令), 有详细的命令输出
$pactl list 中有
信源 #1
    状态IDLE
    名称alsa_output.pci-0000_00_1f.3.analog-stereo.monitor
    描述Monitor of 内置音频 模拟立体声
    驱动程序module-alsa-card.c
    采样规格s16le 2ch 44100Hz
    声道映射front-left,front-right
        alsa.card_name = "HDA Intel PCH"
        alsa.long_card_name = "HDA Intel PCH at 0x6014110000 irq 148"
        alsa.driver_name = "snd_hda_intel"
        device.bus_path = "pci-0000:00:1f.3"
        sysfs.path = "/devices/pci0000:00/0000:00:1f.3/sound/card0"
        device.bus = "pci"
        device.vendor.id = "8086"
        device.vendor.name = "Intel Corporation"
        device.product.id = "43c8"
        device.form_factor = "internal"
        device.string = "0"
        module-udev-detect.discovered = "1"
        device.icon_name = "audio-card-pci"
    格式
        pcm

5. 从伪文件系统中查看
$ cat /proc/asound/cards
 0 [PCH            ]: HDA-Intel - HDA Intel PCH
                      HDA Intel PCH at 0x6014110000 irq 148
 1 [NVidia         ]: HDA-Intel - HDA NVidia
                      HDA NVidia at 0x72000000 irq 17

$ cat /proc/asound/devices
  1:        : sequencer
  2: [ 1- 3]: digital audio playback
  3: [ 1- 7]: digital audio playback
  4: [ 1- 8]: digital audio playback
  5: [ 1- 9]: digital audio playback
  6: [ 1-10]: digital audio playback
  7: [ 1-11]: digital audio playback
  8: [ 1-12]: digital audio playback
  9: [ 1- 0]: hardware dependent
 10: [ 1]   : control
 11: [ 0- 0]: digital audio playback
 12: [ 0- 0]: digital audio capture
 13: [ 0- 2]: digital audio capture
 14: [ 0- 3]: digital audio playback
 15: [ 0- 7]: digital audio playback
 16: [ 0- 8]: digital audio playback
 17: [ 0- 9]: digital audio playback
 18: [ 0-10]: digital audio playback
 19: [ 0-11]: digital audio playback
 20: [ 0-12]: digital audio playback
 21: [ 0-13]: digital audio playback
 22: [ 0-14]: digital audio playback
 23: [ 0-15]: digital audio playback
 24: [ 0-16]: digital audio playback
 25: [ 0-17]: digital audio playback
 26: [ 0- 0]: hardware dependent
 27: [ 0- 2]: hardware dependent
 28: [ 0]   : control
 33:        : timer