我的 USB 麦克风也被识别为扬声器（模拟和数字）。有没有办法将此输出“功能”列入黑名单/禁用，同时保持输入功能处于活动状态？
这是麦克风的相关条目pacmd list-cards：
name: <alsa_card.usb-Samson_Technologies_Samson_Meteor_Mic-00>
driver: <module-alsa-card.c>
owner module: 22
properties:
alsa.card = "2"
alsa.card_name = "Samson Meteor Mic"
alsa.long_card_name = "Samson Technologies Samson Meteor Mic at usb-0000:02:00.0-4.4.1, full speed"
alsa.driver_name = "snd_usb_audio"
device.bus_path = "pci-0000:02:00.0-usb-0:4.4.1:1.0"
sysfs.path = "/devices/pci0000:00/0000:00:01.3/0000:02:00.0/usb1/1-4/1-4.4/1-4.4.1/1-4.4.1:1.0/sound/card2"
udev.id = "usb-Samson_Technologies_Samson_Meteor_Mic-00"
device.bus = "usb"
device.vendor.id = "17a0"
device.vendor.name = "Samson Technologies Corp."
device.product.id = "0310"
device.product.name = "Meteor condenser microphone"
device.serial = "Samson_Technologies_Samson_Meteor_Mic"
device.form_factor = "microphone"
device.string = "2"
device.description = "Meteor condenser microphone"
module-udev-detect.discovered = "1"
device.icon_name = "audio-input-microphone-usb"
profiles:
input:analog-stereo: Ingresso «Stereo analogico» (priority 65, available: unknown)
input:iec958-stereo: Ingresso «Stereo digitale (IEC958)» (priority 55, available: unknown)
output:analog-stereo: Uscita «Stereo analogico» (priority 6500, available: unknown)
output:analog-stereo+input:analog-stereo: Duplex stereo analogico (priority 6565, available: unknown)
output:analog-stereo+input:iec958-stereo: Uscita «Stereo analogico» + Ingresso «Stereo digitale (IEC958)» (priority 6555, available: unknown)
output:iec958-stereo: Uscita «Stereo digitale (IEC958)» (priority 5500, available: unknown)
output:iec958-stereo+input:analog-stereo: Uscita «Stereo digitale (IEC958)» + Ingresso «Stereo analogico» (priority 5565, available: unknown)
output:iec958-stereo+input:iec958-stereo: Duplex stereo digitale (IEC958) (priority 5555, available: unknown)
off: Spento (priority 0, available: unknown)
active profile: <output:iec958-stereo+input:analog-stereo>
sinks:
alsa_output.usb-Samson_Technologies_Samson_Meteor_Mic-00.iec958-stereo/#1: Meteor condenser microphone Stereo digitale (IEC958)
sources:
alsa_output.usb-Samson_Technologies_Samson_Meteor_Mic-00.iec958-stereo.monitor/#1: Monitor of Meteor condenser microphone Stereo digitale (IEC958)
alsa_input.usb-Samson_Technologies_Samson_Meteor_Mic-00.analog-stereo/#2: Meteor condenser microphone Stereo analogico
ports:
analog-input-mic: Microfono (priority 8700, latency offset 0 usec, available: unknown)
properties:
device.icon_name = "audio-input-microphone"
iec958-stereo-input: Ingresso digitale (S/PDIF) (priority 0, latency offset 0 usec, available: unknown)
properties:
analog-output-speaker: Altoparlanti (priority 10000, latency offset 0 usec, available: unknown)
properties:
device.icon_name = "audio-speakers"
iec958-stereo-output: Uscita digitale (S/PDIF) (priority 0, latency offset 0 usec, available: unknown)
properties:
简而言之，我想保留所有输入配置文件：
input:analog-stereo: Ingresso «Stereo analogico» (priority 65, available: unknown)
input:iec958-stereo: Ingresso «Stereo digitale (IEC958)» (priority 55, available: unknown)
并删除输出配置文件：
output:analog-stereo: Uscita «Stereo analogico» (priority 6500, available: unknown)
output:analog-stereo+input:analog-stereo: Duplex stereo analogico (priority 6565, available: unknown)
output:analog-stereo+input:iec958-stereo: Uscita «Stereo analogico» + Ingresso «Stereo digitale (IEC958)» (priority 6555, available: unknown)
output:iec958-stereo: Uscita «Stereo digitale (IEC958)» (priority 5500, available: unknown)
output:iec958-stereo+input:analog-stereo: Uscita «Stereo digitale (IEC958)» + Ingresso «Stereo analogico» (priority 5565, available: unknown)
output:iec958-stereo+input:iec958-stereo: Duplex stereo digitale (IEC958) (priority 5555, available: unknown)