在树莓派上pyaudio录音提示cannot find card '0'

ighack

在树莓派上pyaudio录音提示cannot find card '0'

pi@raspberrypi:/proc/asound $ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 1: Device [USB Audio Device], device 0: USB Audio [USB Audio]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
pi@raspberrypi:/proc/asound $ ls
card1  cards  Device  devices  hwdep  modules  oss  pcm  seq  timers  version
pi@raspberrypi:/proc/asound $ cat cards
1 [Device         ]: USB-Audio - USB Audio Device
                      GeneralPlus USB Audio Device at usb-3f980000.usb-1.3, full speed
pi@raspberrypi:/proc/asound $ cat modules
1 snd_usb_audio
pi@raspberrypi:/proc/asound $ ls /etc/modprobe.d/
blacklist-rtl8192cu.conf  blacklist-rtl8xxxu.conf  fbdev-blacklist.conf  ipv6.conf  libpisock9.conf  raspi-blacklist.conf
pi@raspberrypi:/proc/asound $

网上的教程很多都说修改/etc/modprobe.d/alsa-base.conf
但我没有这个文件啊


而且arecord -D "plughw:1,0" -d 60 /tmp/test.wav
是可以正常录音的