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无法将音频输出直接发送到 USB 音频适配器

tag-icon • tag-icon 16.04 drivers usb sound alsa
无法将音频输出直接发送到 USB 音频适配器

我正在关注这Ubuntu 帮助页面。此方法不控制音频输出。

配置详细信息

1）声卡详细信息（连接后USB 音频适配器）

~$ cat /proc/asound/cards
 0 [PCH            ]: HDA-Intel - HDA Intel PCH
                      HDA Intel PCH at 0xf7910000 irq 32
 1 [Device         ]: USB-Audio - USB PnP Sound Device
                      C-Media Electronics Inc. USB PnP Sound Device at usb-0000:00:14.0-2, full speed

2）带地址的USB设备

~$ lsusb
    Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub

    Bus 003 Device 002: ID 0d8c:013c C-Media Electronics, Inc. CM108 Audio Controller

/etc/modprobe.d/alsa-base3）文件相关部分

# Keep snd-pcsp from being loaded as first soundcard
# options snd-pcsp index=-2
# Keep snd-usb-audio from beeing loaded as first soundcard
# options snd-usb-audio index=-2
#USB Magic, part1
alias snd-card-0 snd-hda-intel 
alias snd-card-1 snd-usb-audio
options snd-hda-intel index=0
options snd-usb-audio index=1 vid=0x0d8c pid=0x013c

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