cat /etc/os-release
NAME="Ubuntu"
VERSION="14.10 (Utopic Unicorn)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 14.10"
VERSION_ID="14.10"
HOME_URL="http://www.ubuntu.com/"
SUPPORT_URL="http://help.ubuntu.com/"
BUG_REPORT_URL="http://bugs.launchpad.net/ubuntu/"
lsusb --verbose | less
Bus 003 Device 008: ID b58e:9e84
lsmod | grep snd
snd_usb_audio 165943 2
snd_usbmidi_lib 29779 1 snd_usb_audio
snd_hda_codec_hdmi 47547 1
snd_hda_codec_realtek 77514 1
snd_hda_codec_generic 68988 1 snd_hda_codec_realtek
snd_hda_intel 30420 8
snd_hda_controller 34275 1 snd_hda_intel
snd_hda_codec 139712 5 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_intel,snd_hda_controller
snd_hwdep 17698 2 snd_usb_audio,snd_hda_codec
snd_pcm 104102 8 snd_usb_audio,snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel,snd_hda_controller
snd_seq_midi 13564 0
snd_seq_midi_event 14899 1 snd_seq_midi
snd_rawmidi 30876 2 snd_usbmidi_lib,snd_seq_midi
snd_seq 67224 2 snd_seq_midi_event,snd_seq_midi
snd_seq_device 14497 3 snd_seq,snd_rawmidi,snd_seq_midi
snd_timer 29513 2 snd_pcm,snd_seq
snd 87611 30 snd_hda_codec_realtek,snd_usb_audio,snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec_generic,snd_usbmidi_lib,snd_hda_codec,snd_hda_intel,snd_seq_device
soundcore 15052 2 snd,snd_hda_codec
猫/proc/asound/cards
0 [PCH ]: HDA-Intel - HDA Intel PCH
HDA Intel PCH at 0xef330000 irq 46
1 [NVidia ]: HDA-Intel - HDA NVidia
HDA NVidia at 0xef080000 irq 17
2 [Microphone ]: USB-Audio - Yeti Stereo Microphone
Blue Microphones Yeti Stereo Microphone at usb-0000:00:14.0-13, full speed
猫/proc/asound/pcm
00-00: ALC1150 Analog : ALC1150 Analog : playback 1 : capture 1
00-01: ALC1150 Digital : ALC1150 Digital : playback 1
00-02: ALC1150 Alt Analog : ALC1150 Alt Analog : capture 1
01-03: HDMI 0 : HDMI 0 : playback 1
01-07: HDMI 1 : HDMI 1 : playback 1
01-08: HDMI 2 : HDMI 2 : playback 1
02-00: USB Audio : USB Audio : playback 1 : capture 1
arecord——列表-pcms
sysdefault:CARD=Microphone
Yeti Stereo Microphone, USB Audio
Default Audio Device
front:CARD=Microphone,DEV=0
Yeti Stereo Microphone, USB Audio
Front speakers
surround21:CARD=Microphone,DEV=0
Yeti Stereo Microphone, USB Audio
2.1 Surround output to Front and Subwoofer speakers
surround40:CARD=Microphone,DEV=0
Yeti Stereo Microphone, USB Audio
4.0 Surround output to Front and Rear speakers
surround41:CARD=Microphone,DEV=0
Yeti Stereo Microphone, USB Audio
4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=Microphone,DEV=0
Yeti Stereo Microphone, USB Audio
5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=Microphone,DEV=0
Yeti Stereo Microphone, USB Audio
5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=Microphone,DEV=0
Yeti Stereo Microphone, USB Audio
7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
iec958:CARD=Microphone,DEV=0
Yeti Stereo Microphone, USB Audio
IEC958 (S/PDIF) Digital Audio Output
dmix:CARD=Microphone,DEV=0
Yeti Stereo Microphone, USB Audio
Direct sample mixing device
dsnoop:CARD=Microphone,DEV=0
Yeti Stereo Microphone, USB Audio
Direct sample snooping device
hw:CARD=Microphone,DEV=0
Yeti Stereo Microphone, USB Audio
Direct hardware device without any conversions
plughw:CARD=Microphone,DEV=0
Yeti Stereo Microphone, USB Audio
Hardware device with all software conversions
在扬声器下，Yeti 麦克风会显示出来，但在麦克风下则不会显示。它只显示前部、后部和线路。
答案1
gksu gvim /etc/modprobe.d/alsa-base.conf
然后注释掉这一行：
# options snd-usb-audio index=-2
sudo alsa 强制重新加载
完成此操作后，yeti 麦克风就会出现在 Audacity 和 Skype 中。