REFER 2
[root@localhost ~]# lspci -v -s 00:1f.3
00:1f.3 Audio device: Intel Corporation Device 9d71 (rev 21)
Subsystem: Intel Corporation Device 7270
Flags: bus master, fast devsel, latency 32, IRQ 128
Memory at df120000 (64-bit, non-prefetchable) [size=16K]
Memory at df100000 (64-bit, non-prefetchable) [size=64K]
Capabilities: [50] Power Management version 3
Capabilities: [60] MSI: Enable+ Count=1/1 Maskable- 64bit+
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel, snd_soc_skl
[root@localhost ~]#
[root@localhost ~]# pactl list sinks |grep "名称" |grep "output"
名称：alsa_output.pci-0000_00_1f.3.analog-stereo
[root@localhost ~]#
[root@localhost ~]# pactl list sources |grep "名称" |grep "input"
名称：alsa_input.pci-0000_00_1f.3.analog-stereo
=================================================================
查询声音输出的大小
pactl list sinks |grep "音量"
设置声音输出的大小
pactl set-sink-volume alsa_output.pci-0000_00_1f.3.analog-stereo 20% OR pactl set-sink-volume 0 20%
查询声音输入的大小
[root@localhost ~]# pactl list sources |grep "音量：front-left:"
音量：front-left: 21626 / 33% / -28.89 dB, front-right: 21626 / 33% / -28.89 dB
音量：front-left: 28180 / 43% / -21.99 dB, front-right: 28180 / 43% / -21.99 dB
设置声音输入的大小
pactl set-source-volume alsa_input.pci-0000_00_1f.3.analog-stereo 25% OR pactl set-source-volume 1 25%
====================================================================
[root@localhost ~]#
[root@localhost ~]# pactl set-sink-volume 0 20%
[root@localhost ~]#
[root@localhost ~]# pactl list sinks |grep "音量"
音量：front-left: 13107 / 20% / -41.94 dB, front-right: 13107 / 20% / -41.94 dB
基础音量：65536 / 100% / 0.00 dB
[root@localhost ~]# pactl set-source-volume 0 74%
[root@localhost ~]# pactl set-source-volume 1 47%
[root@localhost ~]# pactl list sources |grep "音量：front-left:"
音量：front-left: 48496 / 74% / -7.85 dB, front-right: 48496 / 74% / -7.85 dB
音量：front-left: 30801 / 47% / -19.67 dB, front-right: 30801 / 47% / -19.67 dB
[root@localhost ~]#
[root@localhost ~]#
[root@localhost ~]# pactl list sinks
信宿 #0
状态：RUNNING
名称：alsa_output.pci-0000_00_1f.3.analog-stereo
描述：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
所有者模块：6
静音：否
音量：front-left: 19660 / 30% / -31.37 dB, front-right: 19660 / 30% / -31.37 dB
平衡 0.00
基础音量：65536 / 100% / 0.00 dB
监视器信源：alsa_output.pci-0000_00_1f.3.analog-stereo.monitor
延迟：54244 微秒，设置为 80000 微秒
标记：HARDWARE HW_MUTE_CTRL HW_VOLUME_CTRL DECIBEL_VOLUME LATENCY
属性：
alsa.resolution_bits = "16"
device.api = "alsa"
device.class = "sound"
alsa.class = "generic"
alsa.subclass = "generic-mix"
alsa.name = "ALC662 rev3 Analog"
alsa.id = "ALC662 rev3 Analog"
alsa.subdevice = "0"
alsa.subdevice_name = "subdevice #0"
alsa.device = "0"
alsa.card = "0"
alsa.card_name = "HDA Intel PCH"
alsa.long_card_name = "HDA Intel PCH at 0xdf120000 irq 128"
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 = "9d71"
device.form_factor = "internal"
device.string = "front:0"
device.buffering.buffer_size = "352800"
device.buffering.fragment_size = "176400"
device.access_mode = "mmap+timer"
device.profile.name = "analog-stereo"
device.profile.description = "模拟立体声"
device.description = "内置音频 模拟立体声"
alsa.mixer_name = "Realtek ALC662 rev3"
alsa.components = "HDA:10ec0662,10ec0000,00100300 HDA:8086280b,80860101,00100000"
module-udev-detect.discovered = "1"
device.icon_name = "audio-card-pci"
端口：
analog-output-lineout: 线缆输出 (priority: 9900, available)
analog-output-speaker: 扬声器 (priority: 10000, not available)
analog-output-headphones: 模拟耳机 (priority: 9000, not available)
活动端口：analog-output-lineout
格式：
pcm
[root@localhost ~]#
[root@localhost ~]#
[root@localhost ~]# pactl list sources
信源 #0
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
所有者模块：6
静音：否
音量：front-left: 21626 / 33% / -28.89 dB, front-right: 21626 / 33% / -28.89 dB
平衡 0.00
基础音量：65536 / 100% / 0.00 dB
信宿的监视器：alsa_output.pci-0000_00_1f.3.analog-stereo
延迟：0 微秒，已设置 2000000 微秒
标记：DECIBEL_VOLUME LATENCY
属性：
device.description = "Monitor of 内置音频 模拟立体声"
device.class = "monitor"
alsa.card = "0"
alsa.card_name = "HDA Intel PCH"
alsa.long_card_name = "HDA Intel PCH at 0xdf120000 irq 128"
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 = "9d71"
device.form_factor = "internal"
device.string = "0"
module-udev-detect.discovered = "1"
device.icon_name = "audio-card-pci"
格式：
pcm
信源 #1
状态：SUSPENDED
名称：alsa_input.pci-0000_00_1f.3.analog-stereo
描述：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
所有者模块：6
静音：否
音量：front-left: 28180 / 43% / -21.99 dB, front-right: 28180 / 43% / -21.99 dB
平衡 0.00
基础音量：6554 / 10% / -60.00 dB
信宿的监视器：n/a
延迟：0 微秒，已设置 0 微秒
标记：HARDWARE HW_MUTE_CTRL HW_VOLUME_CTRL DECIBEL_VOLUME LATENCY
属性：
alsa.resolution_bits = "16"
device.api = "alsa"
device.class = "sound"
alsa.class = "generic"
alsa.subclass = "generic-mix"
alsa.name = "ALC662 rev3 Analog"
alsa.id = "ALC662 rev3 Analog"
alsa.subdevice = "0"
alsa.subdevice_name = "subdevice #0"
alsa.device = "0"
alsa.card = "0"
alsa.card_name = "HDA Intel PCH"
alsa.long_card_name = "HDA Intel PCH at 0xdf120000 irq 128"
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 = "9d71"
device.form_factor = "internal"
device.string = "front:0"
device.buffering.buffer_size = "352800"
device.buffering.fragment_size = "176400"
device.access_mode = "mmap+timer"
device.profile.name = "analog-stereo"
device.profile.description = "模拟立体声"
device.description = "内置音频 模拟立体声"
alsa.mixer_name = "Realtek ALC662 rev3"
alsa.components = "HDA:10ec0662,10ec0000,00100300 HDA:8086280b,80860101,00100000"
module-udev-detect.discovered = "1"
device.icon_name = "audio-card-pci"
端口：
analog-input-front-mic: 前麦克风 (priority: 8500, not available)
analog-input-rear-mic: 后麦克风 (priority: 8200, available)
活动端口：analog-input-rear-mic
格式：
pcm
[root@localhost ~]#
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