База знаний » GNU/Linux

h1. Audio

h2. [[audio_utills|Утилиты]]

h2. [[bug_system_choose_sound_card|Решение проблемы когда система выбирает не ту звуковую карту по умолчанию]]

h2. Решение проблемы когда система выбирает не ту звуковую карту по умолчанию

Смотрим выбранное утройство по умолчанию

*cat .pulse/5a779871926e26ce2bf16e0600000c57-default-sink*

<pre>

alsa_output.pci-0000_00_1b.0.analog-stereo

</pre>

Утилитой меняем настройки

*pacmd*

Смотрим список устройств

<pre>

>>> list-sinks

3 sink(s) available.

    index: 0

	name: <alsa_output.hw_0_0>

	driver: <module-alsa-sink.c>

	flags: HARDWARE DECIBEL_VOLUME LATENCY FLAT_VOLUME DYNAMIC_LATENCY

	state: SUSPENDED

	suspend cause: IDLE 

	priority: 9950

	volume: front-left: 85197 / 130% / 6,84 dB,   front-right: 85197 / 130% / 6,84 dB

	        balance 0,00

	base volume: 65536 / 100% / 0,00 dB

	volume steps: 65537

	muted: no

	current latency: 0,00 ms

	max request: 0 KiB

	max rewind: 0 KiB

	monitor source: 0

	sample spec: s16le 2ch 44100Hz

	channel map: front-left,front-right

	             Stereo

	used by: 0

	linked by: 0

	configured latency: 0,00 ms; range is 0,50 .. 2000,00 ms

	module: 5

	properties:

		alsa.resolution_bits = "16"

		device.api = "alsa"

		device.class = "sound"

		alsa.class = "generic"

		alsa.subclass = "generic-mix"

		alsa.name = "ALC887-VD Analog"

		alsa.id = "ALC887-VD 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 0xfbc00000 irq 55"

		alsa.driver_name = "snd_hda_intel"

		device.bus_path = "pci-0000:00:1b.0"

		sysfs.path = "/devices/pci0000:00/0000:00:1b.0/sound/card0"

		device.bus = "pci"

		device.vendor.id = "8086"

		device.vendor.name = "Intel Corporation"

		device.product.id = "1c20"

		device.product.name = "6 Series/C200 Series Chipset Family High Definition Audio Controller"

		device.form_factor = "internal"

		device.string = "hw:0,0"

		device.buffering.buffer_size = "352800"

		device.buffering.fragment_size = "176400"

		device.access_mode = "mmap+timer"

		device.description = "Built-in Audio"

		device.icon_name = "audio-card-pci"

  * index: 1

	name: <alsa_output.pci-0000_01_00.1.hdmi-stereo>

	driver: <module-alsa-card.c>

	flags: HARDWARE DECIBEL_VOLUME LATENCY FLAT_VOLUME DYNAMIC_LATENCY

	state: SUSPENDED

	suspend cause: IDLE 

	priority: 9050

	volume: front-left: 53740 /  82% / -5,17 dB,   front-right: 53084 /  81% / -5,49 dB

	        balance -0,01

	base volume: 65536 / 100% / 0,00 dB

	volume steps: 65537

	muted: no

	current latency: 0,00 ms

	max request: 0 KiB

	max rewind: 0 KiB

	monitor source: 2

	sample spec: s16le 2ch 44100Hz

	channel map: front-left,front-right

	             Stereo

	used by: 0

	linked by: 0

	configured latency: 0,00 ms; range is 0,50 .. 1999,82 ms

	card: 0 <alsa_card.pci-0000_01_00.1>

	module: 8

	properties:

		alsa.resolution_bits = "16"

		device.api = "alsa"

		device.class = "sound"

		alsa.class = "generic"

		alsa.subclass = "generic-mix"

		alsa.name = "HDMI 0"

		alsa.id = "HDMI 0"

		alsa.subdevice = "0"

		alsa.subdevice_name = "subdevice #0"

		alsa.device = "3"

		alsa.card = "1"

		alsa.card_name = "HDA NVidia"

		alsa.long_card_name = "HDA NVidia at 0xfb080000 irq 17"

		alsa.driver_name = "snd_hda_intel"

		device.bus_path = "pci-0000:01:00.1"

		sysfs.path = "/devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1"

		device.bus = "pci"

		device.vendor.id = "10de"

		device.vendor.name = "NVIDIA Corporation"

		device.product.id = "0be3"

		device.product.name = "High Definition Audio Controller"

		device.string = "hdmi:1"

		device.buffering.buffer_size = "352768"

		device.buffering.fragment_size = "176384"

		device.access_mode = "mmap+timer"

		device.profile.name = "hdmi-stereo"

		device.profile.description = "Digital Stereo (HDMI)"

		device.description = "High Definition Audio Controller Digital Stereo (HDMI)"

		alsa.mixer_name = "Nvidia GPU 0b HDMI/DP"

		alsa.components = "HDA:10de000b,10de0101,00100200"

		module-udev-detect.discovered = "1"

		device.icon_name = "audio-card-pci"

	ports:

		hdmi-output-0: HDMI / DisplayPort (priority 5900, latency offset 0 usec, available: no)

			properties:

				device.icon_name = "video-display"

	active port: <hdmi-output-0>

    index: 2

	name: <alsa_output.pci-0000_00_1b.0.analog-stereo>

	driver: <module-alsa-card.c>

	flags: HARDWARE HW_MUTE_CTRL HW_VOLUME_CTRL DECIBEL_VOLUME LATENCY FLAT_VOLUME DYNAMIC_LATENCY

	state: SUSPENDED

	suspend cause: IDLE 

	priority: 9959

	volume: front-left: 54094 /  83% / -5,00 dB,   front-right: 54094 /  83% / -5,00 dB

	        balance 0,00

	base volume: 65536 / 100% / 0,00 dB

	volume steps: 65537

	muted: no

	current latency: 0,00 ms

	max request: 0 KiB

	max rewind: 0 KiB

	monitor source: 3

	sample spec: s16le 2ch 44100Hz

	channel map: front-left,front-right

	             Stereo

	used by: 0

	linked by: 0

	configured latency: 0,00 ms; range is 0,50 .. 2000,00 ms

	card: 1 <alsa_card.pci-0000_00_1b.0>

	module: 22

	properties:

		alsa.resolution_bits = "16"

		device.api = "alsa"

		device.class = "sound"

		alsa.class = "generic"

		alsa.subclass = "generic-mix"

		alsa.name = "ALC887-VD Analog"

		alsa.id = "ALC887-VD 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 0xfbc00000 irq 55"

		alsa.driver_name = "snd_hda_intel"

		device.bus_path = "pci-0000:00:1b.0"

		sysfs.path = "/devices/pci0000:00/0000:00:1b.0/sound/card0"

		device.bus = "pci"

		device.vendor.id = "8086"

		device.vendor.name = "Intel Corporation"

		device.product.id = "1c20"

		device.product.name = "6 Series/C200 Series Chipset Family High Definition Audio Controller"

		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 = "Analog Stereo"

		device.description = "Built-in Audio Analog Stereo"

		alsa.mixer_name = "Realtek ALC887-VD"

		alsa.components = "HDA:10ec0887,18490887,00100302"

		module-udev-detect.discovered = "1"

		device.icon_name = "audio-card-pci"

	ports:

		analog-output-lineout: Line Out (priority 9900, latency offset 0 usec, available: yes)

			properties:

		analog-output-headphones: Headphones (priority 9000, latency offset 0 usec, available: unknown)

			properties:

				device.icon_name = "audio-headphones"

	active port: <analog-output-lineout>

</pre>

Изменили устройство по умолчанию

<pre>

>>> set-default-sink 2

</pre>

Проверяем

*cat .pulse/5a779871926e26ce2bf16e0600000c57-default-source*

<pre>

alsa_input.pci-0000_00_1b.0.analog-stereo

</pre>