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#1 2021-09-27 11:01:56

KhunLing
Member
Registered: 2021-09-27
Posts: 4

Input device plays sound of output device (pulseaudio/pipewire)

Hi, I am struggling to get my headset's microphone working via the front jack of my PC. The headset is detected and not muted, but for some reason it doesn't pick up my voice. Instead it captures the sound I play on my PC. So if I play a video I can see it in the visualizer in Slack's audio configuration, or hear it in Skype's echo service.

Initially I started with ALSA/pulseaudio, after a lot of debugging I switched to pipewire now (+pipewire-pulse). Unfortunately the issue persists.

The headset is plugged into the front jack of my PC, which has a ROG Strix B550 E-GAMING motherboard, the sound card is:

$ pactl list sinks
...
Sink #45
	State: IDLE
	Name: alsa_output.pci-0000_0b_00.4.analog-stereo
	Description: Starship/Matisse HD Audio Controller Analog Stereo
	Driver: PipeWire
	Sample Specification: s32le 2ch 48000Hz
	Channel Map: front-left,front-right
	Owner Module: 4294967295
	Mute: no
	Volume: front-left: 48287 /  74% / -7.96 dB,   front-right: 48287 /  74% / -7.96 dB
	        balance 0.00
	Base Volume: 65536 / 100% / 0.00 dB
	Monitor Source: alsa_output.pci-0000_0b_00.4.analog-stereo.monitor
	Latency: 0 usec, configured 0 usec
	Flags: HARDWARE HW_MUTE_CTRL HW_VOLUME_CTRL DECIBEL_VOLUME LATENCY 
	Properties:
		object.path = "alsa:pcm:1:front:1:playback"
		api.alsa.path = "front:1"
		api.alsa.pcm.card = "1"
		api.alsa.pcm.stream = "playback"
		audio.channels = "2"
		audio.position = "FL,FR"
		device.routes = "2"
		alsa.resolution_bits = "16"
		device.api = "alsa"
		device.class = "sound"
		alsa.class = "generic"
		alsa.subclass = "generic-mix"
		alsa.name = "ALC1220 Analog"
		alsa.id = "ALC1220 Analog"
		alsa.subdevice = "0"
		alsa.subdevice_name = "subdevice #0"
		alsa.device = "0"
		alsa.card = "1"
		alsa.card_name = "HD-Audio Generic"
		alsa.long_card_name = "HD-Audio Generic at 0xfcc00000 irq 81"
		alsa.driver_name = "snd_hda_intel"
		device.profile.name = "analog-stereo"
		device.profile.description = "Analog Stereo"
		card.profile.device = "5"
		device.id = "42"
		factory.name = "api.alsa.pcm.sink"
		priority.driver = "945"
		priority.session = "945"
		media.class = "Audio/Sink"
		node.nick = "HD-Audio Generic"
		node.name = "alsa_output.pci-0000_0b_00.4.analog-stereo"
		device.description = "Starship/Matisse HD Audio Controller Analog Stereo"
		device.icon_name = "audio-card-analog"
		device.bus = "pci"
		device.bus_path = "pci-0000:0b:00.4"
		node.pause-on-idle = "false"
		factory.id = "18"
		client.id = "32"
		node.driver = "true"
		factory.mode = "merge"
		audio.adapt.follower = ""
		library.name = "audioconvert/libspa-audioconvert"
		object.id = "45"
		node.max-latency = "8192/48000"
	Ports:
		analog-output-lineout: Line Out (type: Line, priority: 9000, availability group: Legacy 4, not available)
		analog-output-headphones: Headphones (type: Headphones, priority: 9900, availability group: Legacy 5, available)
	Active Port: analog-output-headphones
	Formats:
		pcm
...

My setup in pavucontrol:
- I set the profile of this card to Analog Stereo Duplex.
- Under Input Devices I selected "Front Microphone (plugged in)" as port, the port is not muted, I have also verified this in alsamixer.
- Under Output Devices I selected "Headphones (plugged in)" as port, the sound works fine.

I am using a Sony headset - I can look up the model name if it matters but as the headset is working fine on both my laptops I don't think it is relevant for debugging this issue. I will gladly provide any more infos that might help to troubleshoot this issue though.

Hoping to get some ideas or hints where to look since I am really out of ideas. Thank you in advance!

Edit:
I'm running 5.14.7-arch1-1, all packages are up to date.

Last edited by KhunLing (2021-09-27 11:06:02)

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#2 2021-09-27 11:42:58

Ammako
Member
Registered: 2021-07-16
Posts: 267

Re: Input device plays sound of output device (pulseaudio/pipewire)

Check under Recording tab, make sure first that your applications are not set to "Monitor of [Built-in Audio Analog Stereo]"

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#3 2021-09-27 12:05:19

KhunLing
Member
Registered: 2021-09-27
Posts: 4

Re: Input device plays sound of output device (pulseaudio/pipewire)

Ammako wrote:

Check under Recording tab, make sure first that your applications are not set to "Monitor of [Built-in Audio Analog Stereo]"

I just checked, it is set to "Starship/Matisse HD Audio Analog Stereo", not to monitor. The volume meter for "Front Microphone (plugged in)" reflects the sound that I play back on the PC for some reason.

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#4 2021-09-27 13:03:26

V1del
Forum Moderator
Registered: 2012-10-16
Posts: 21,426

Re: Input device plays sound of output device (pulseaudio/pipewire)

Post

amixer -c1
pactl list sources
pactl list source-outputs

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#5 2021-09-27 13:15:45

KhunLing
Member
Registered: 2021-09-27
Posts: 4

Re: Input device plays sound of output device (pulseaudio/pipewire)

V1del wrote:

Post

amixer -c1
pactl list sources
pactl list source-outputs

Switched back from pipewire to pulseaudio, since I am more familiar with that. The EDIFIER R19U are external USB speakers.

amixer -c1:

Simple mixer control 'Master',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined
  Playback channels: Mono
  Limits: Playback 0 - 87
  Mono: Playback 55 [63%] [-24.00dB] [on]
Simple mixer control 'Headphone',0
  Capabilities: pvolume pswitch
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 87
  Mono:
  Front Left: Playback 87 [100%] [0.00dB] [on]
  Front Right: Playback 87 [100%] [0.00dB] [on]
Simple mixer control 'PCM',0
  Capabilities: pvolume
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 255
  Mono:
  Front Left: Playback 255 [100%] [0.00dB]
  Front Right: Playback 255 [100%] [0.00dB]
Simple mixer control 'Front',0
  Capabilities: pvolume pswitch
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 87
  Mono:
  Front Left: Playback 87 [100%] [0.00dB] [off]
  Front Right: Playback 87 [100%] [0.00dB] [off]
Simple mixer control 'Front Mic',0
  Capabilities: pvolume pswitch
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Mono:
  Front Left: Playback 31 [100%] [12.00dB] [on]
  Front Right: Playback 31 [100%] [12.00dB] [on]
Simple mixer control 'Front Mic Boost',0
  Capabilities: volume
  Playback channels: Front Left - Front Right
  Capture channels: Front Left - Front Right
  Limits: 0 - 3
  Front Left: 3 [100%] [30.00dB]
  Front Right: 3 [100%] [30.00dB]
Simple mixer control 'Surround',0
  Capabilities: pvolume pswitch
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 87
  Mono:
  Front Left: Playback 0 [0%] [-65.25dB] [off]
  Front Right: Playback 0 [0%] [-65.25dB] [off]
Simple mixer control 'Center',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined
  Playback channels: Mono
  Limits: Playback 0 - 87
  Mono: Playback 0 [0%] [-65.25dB] [off]
Simple mixer control 'LFE',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined
  Playback channels: Mono
  Limits: Playback 0 - 87
  Mono: Playback 0 [0%] [-65.25dB] [off]
Simple mixer control 'Line',0
  Capabilities: pvolume pswitch
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Mono:
  Front Left: Playback 0 [0%] [-34.50dB] [off]
  Front Right: Playback 0 [0%] [-34.50dB] [off]
Simple mixer control 'Line Boost',0
  Capabilities: volume
  Playback channels: Front Left - Front Right
  Capture channels: Front Left - Front Right
  Limits: 0 - 3
  Front Left: 0 [0%] [0.00dB]
  Front Right: 0 [0%] [0.00dB]
Simple mixer control 'IEC958',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [off]
Simple mixer control 'IEC958 Default PCM',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [on]
Simple mixer control 'Capture',0
  Capabilities: cvolume cswitch
  Capture channels: Front Left - Front Right
  Limits: Capture 0 - 63
  Front Left: Capture 63 [100%] [30.00dB] [on]
  Front Right: Capture 63 [100%] [30.00dB] [on]
Simple mixer control 'Capture',1
  Capabilities: cvolume cswitch
  Capture channels: Front Left - Front Right
  Limits: Capture 0 - 63
  Front Left: Capture 0 [0%] [-17.25dB] [off]
  Front Right: Capture 0 [0%] [-17.25dB] [off]
Simple mixer control 'Auto-Mute Mode',0
  Capabilities: enum
  Items: 'Disabled' 'Enabled'
  Item0: 'Enabled'
Simple mixer control 'Input Source',0
  Capabilities: cenum
  Items: 'Rear Mic' 'Front Mic' 'Rear Mic 1' 'Line'
  Item0: 'Front Mic'
Simple mixer control 'Input Source',1
  Capabilities: cenum
  Items: 'Rear Mic' 'Front Mic' 'Rear Mic 1' 'Line'
  Item0: 'Rear Mic'
Simple mixer control 'Loopback Mixing',0
  Capabilities: enum
  Items: 'Disabled' 'Enabled'
  Item0: 'Disabled'
Simple mixer control 'Rear Mic',0
  Capabilities: pvolume pswitch
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Mono:
  Front Left: Playback 0 [0%] [-34.50dB] [off]
  Front Right: Playback 0 [0%] [-34.50dB] [off]
Simple mixer control 'Rear Mic',1
  Capabilities: pvolume pswitch
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Mono:
  Front Left: Playback 0 [0%] [-34.50dB] [off]
  Front Right: Playback 0 [0%] [-34.50dB] [off]
Simple mixer control 'Rear Mic Boost',0
  Capabilities: volume
  Playback channels: Front Left - Front Right
  Capture channels: Front Left - Front Right
  Limits: 0 - 3
  Front Left: 0 [0%] [0.00dB]
  Front Right: 0 [0%] [0.00dB]

pactl list sources:

Source #0
	State: RUNNING
	Name: alsa_output.usb-MVSILICON.INC._EDIFIER_R19U_2011090112345-00.analog-stereo.monitor
	Description: Monitor of EDIFIER R19U Analog Stereo
	Driver: module-alsa-card.c
	Sample Specification: s16le 2ch 44100Hz
	Channel Map: front-left,front-right
	Owner Module: 6
	Mute: no
	Volume: front-left: 65536 / 100% / 0.00 dB,   front-right: 65536 / 100% / 0.00 dB
	        balance 0.00
	Base Volume: 65536 / 100% / 0.00 dB
	Monitor of Sink: alsa_output.usb-MVSILICON.INC._EDIFIER_R19U_2011090112345-00.analog-stereo
	Latency: 0 usec, configured 40000 usec
	Flags: DECIBEL_VOLUME LATENCY 
	Properties:
		device.description = "Monitor of EDIFIER R19U Analog Stereo"
		device.class = "monitor"
		alsa.card = "2"
		alsa.card_name = "EDIFIER R19U"
		alsa.long_card_name = "MVSILICON.INC. EDIFIER R19U at usb-0000:02:00.0-9.2, full speed"
		alsa.driver_name = "snd_usb_audio"
		device.bus_path = "pci-0000:02:00.0-usb-0:9.2:1.0"
		sysfs.path = "/devices/pci0000:00/0000:00:01.2/0000:02:00.0/usb1/1-9/1-9.2/1-9.2:1.0/sound/card2"
		udev.id = "usb-MVSILICON.INC._EDIFIER_R19U_2011090112345-00"
		device.bus = "usb"
		device.vendor.id = "0001"
		device.vendor.name = "Fry's Electronics"
		device.product.id = "0201"
		device.product.name = "EDIFIER R19U"
		device.serial = "MVSILICON.INC._EDIFIER_R19U_2011090112345"
		device.string = "2"
		module-udev-detect.discovered = "1"
		device.icon_name = "audio-card-usb"
	Formats:
		pcm

Source #1
	State: RUNNING
	Name: alsa_output.pci-0000_09_00.1.hdmi-stereo-extra2.monitor
	Description: Monitor of Navi 10 HDMI Audio Digital Stereo (HDMI 3)
	Driver: module-alsa-card.c
	Sample Specification: s16le 2ch 44100Hz
	Channel Map: front-left,front-right
	Owner Module: 7
	Mute: no
	Volume: front-left: 65536 / 100% / 0.00 dB,   front-right: 65536 / 100% / 0.00 dB
	        balance 0.00
	Base Volume: 65536 / 100% / 0.00 dB
	Monitor of Sink: alsa_output.pci-0000_09_00.1.hdmi-stereo-extra2
	Latency: 0 usec, configured 40000 usec
	Flags: DECIBEL_VOLUME LATENCY 
	Properties:
		device.description = "Monitor of Navi 10 HDMI Audio Digital Stereo (HDMI 3)"
		device.class = "monitor"
		alsa.card = "0"
		alsa.card_name = "HDA ATI HDMI"
		alsa.long_card_name = "HDA ATI HDMI at 0xfcda0000 irq 95"
		alsa.driver_name = "snd_hda_intel"
		device.bus_path = "pci-0000:09:00.1"
		sysfs.path = "/devices/pci0000:00/0000:00:03.1/0000:07:00.0/0000:08:00.0/0000:09:00.1/sound/card0"
		device.bus = "pci"
		device.vendor.id = "1002"
		device.vendor.name = "Advanced Micro Devices, Inc. [AMD/ATI]"
		device.product.id = "ab38"
		device.product.name = "Navi 10 HDMI Audio"
		device.string = "0"
		module-udev-detect.discovered = "1"
		device.icon_name = "audio-card-pci"
	Formats:
		pcm

Source #3
	State: RUNNING
	Name: alsa_input.pci-0000_0b_00.4.analog-stereo
	Description: Starship/Matisse HD Audio Controller Analog Stereo
	Driver: module-alsa-card.c
	Sample Specification: s16le 2ch 44100Hz
	Channel Map: front-left,front-right
	Owner Module: 8
	Mute: no
	Volume: front-left: 65540 / 100% / 0.00 dB,   front-right: 65540 / 100% / 0.00 dB
	        balance 0.00
	Base Volume: 6554 /  10% / -60.00 dB
	Monitor of Sink: n/a
	Latency: 1001 usec, configured 10000 usec
	Flags: HARDWARE HW_MUTE_CTRL HW_VOLUME_CTRL DECIBEL_VOLUME LATENCY 
	Properties:
		alsa.resolution_bits = "16"
		device.api = "alsa"
		device.class = "sound"
		alsa.class = "generic"
		alsa.subclass = "generic-mix"
		alsa.name = "ALC1220 Analog"
		alsa.id = "ALC1220 Analog"
		alsa.subdevice = "0"
		alsa.subdevice_name = "subdevice #0"
		alsa.device = "0"
		alsa.card = "1"
		alsa.card_name = "HD-Audio Generic"
		alsa.long_card_name = "HD-Audio Generic at 0xfcc00000 irq 97"
		alsa.driver_name = "snd_hda_intel"
		device.bus_path = "pci-0000:0b:00.4"
		sysfs.path = "/devices/pci0000:00/0000:00:08.1/0000:0b:00.4/sound/card1"
		device.bus = "pci"
		device.vendor.id = "1022"
		device.vendor.name = "Advanced Micro Devices, Inc. [AMD]"
		device.product.id = "1487"
		device.product.name = "Starship/Matisse HD Audio Controller"
		device.string = "front:1"
		device.buffering.buffer_size = "352768"
		device.buffering.fragment_size = "176384"
		device.access_mode = "mmap+timer"
		device.profile.name = "analog-stereo"
		device.profile.description = "Analog Stereo"
		device.description = "Starship/Matisse HD Audio Controller Analog Stereo"
		module-udev-detect.discovered = "1"
		device.icon_name = "audio-card-pci"
	Ports:
		analog-input-front-mic: Front Microphone (type: Mic, priority: 8500, available)
		analog-input-rear-mic: Rear Microphone (type: Mic, priority: 8200, not available)
		analog-input-linein: Line In (type: Line, priority: 8100, not available)
	Active Port: analog-input-front-mic
	Formats:
		pcm

Source #9
	State: RUNNING
	Name: alsa_output.pci-0000_0b_00.4.analog-stereo.monitor
	Description: Monitor of Starship/Matisse HD Audio Controller Analog Stereo
	Driver: module-alsa-card.c
	Sample Specification: s16le 2ch 44100Hz
	Channel Map: front-left,front-right
	Owner Module: 8
	Mute: no
	Volume: front-left: 65536 / 100% / 0.00 dB,   front-right: 65536 / 100% / 0.00 dB
	        balance 0.00
	Base Volume: 65536 / 100% / 0.00 dB
	Monitor of Sink: alsa_output.pci-0000_0b_00.4.analog-stereo
	Latency: 0 usec, configured 40000 usec
	Flags: DECIBEL_VOLUME LATENCY 
	Properties:
		device.description = "Monitor of Starship/Matisse HD Audio Controller Analog Stereo"
		device.class = "monitor"
		alsa.card = "1"
		alsa.card_name = "HD-Audio Generic"
		alsa.long_card_name = "HD-Audio Generic at 0xfcc00000 irq 97"
		alsa.driver_name = "snd_hda_intel"
		device.bus_path = "pci-0000:0b:00.4"
		sysfs.path = "/devices/pci0000:00/0000:00:08.1/0000:0b:00.4/sound/card1"
		device.bus = "pci"
		device.vendor.id = "1022"
		device.vendor.name = "Advanced Micro Devices, Inc. [AMD]"
		device.product.id = "1487"
		device.product.name = "Starship/Matisse HD Audio Controller"
		device.string = "1"
		module-udev-detect.discovered = "1"
		device.icon_name = "audio-card-pci"
	Formats:
		pcm

pactl list source-outputs:

Source Output #0
	Driver: protocol-native.c
	Owner Module: 10
	Client: 990
	Source: 0
	Sample Specification: float32le 1ch 25Hz
	Channel Map: mono
	Format: pcm, format.sample_format = "\"float32le\""  format.rate = "25"  format.channels = "1"  format.channel_map = "\"mono\""
	Corked: no
	Mute: no
	Volume: mono: 65536 / 100% / 0.00 dB
	        balance 0.00
	Buffer Latency: 21224 usec
	Source Latency: 0 usec
	Resample method: peaks
	Properties:
		media.name = "Peak detect"
		application.name = "PulseAudio Volume Control"
		native-protocol.peer = "UNIX socket client"
		native-protocol.version = "35"
		application.id = "org.PulseAudio.pavucontrol"
		application.icon_name = "audio-card"
		application.version = "5.0"
		application.process.id = "11863"
		application.process.user = "xxx"
		application.process.host = "yyy"
		application.process.binary = "pavucontrol"
		application.language = "en_US.UTF-8"
		window.x11.display = ":0"
		application.process.machine_id = "ea1f0b096f1a40edb1863c5ee476e8af"
		application.process.session_id = "1"
		module-stream-restore.id = "source-output-by-application-id:org.PulseAudio.pavucontrol"

Source Output #1
	Driver: protocol-native.c
	Owner Module: 10
	Client: 990
	Source: 1
	Sample Specification: float32le 1ch 25Hz
	Channel Map: mono
	Format: pcm, format.sample_format = "\"float32le\""  format.rate = "25"  format.channels = "1"  format.channel_map = "\"mono\""
	Corked: no
	Mute: no
	Volume: mono: 65536 / 100% / 0.00 dB
	        balance 0.00
	Buffer Latency: 19977 usec
	Source Latency: 0 usec
	Resample method: peaks
	Properties:
		media.name = "Peak detect"
		application.name = "PulseAudio Volume Control"
		native-protocol.peer = "UNIX socket client"
		native-protocol.version = "35"
		application.id = "org.PulseAudio.pavucontrol"
		application.icon_name = "audio-card"
		application.version = "5.0"
		application.process.id = "11863"
		application.process.user = "xxx"
		application.process.host = "yyy"
		application.process.binary = "pavucontrol"
		application.language = "en_US.UTF-8"
		window.x11.display = ":0"
		application.process.machine_id = "ea1f0b096f1a40edb1863c5ee476e8af"
		application.process.session_id = "1"
		module-stream-restore.id = "source-output-by-application-id:org.PulseAudio.pavucontrol"

Source Output #2
	Driver: protocol-native.c
	Owner Module: 10
	Client: 990
	Source: 3
	Sample Specification: float32le 1ch 25Hz
	Channel Map: mono
	Format: pcm, format.sample_format = "\"float32le\""  format.rate = "25"  format.channels = "1"  format.channel_map = "\"mono\""
	Corked: no
	Mute: no
	Volume: mono: 65536 / 100% / 0.00 dB
	        balance 0.00
	Buffer Latency: 0 usec
	Source Latency: 725 usec
	Resample method: peaks
	Properties:
		media.name = "Peak detect"
		application.name = "PulseAudio Volume Control"
		native-protocol.peer = "UNIX socket client"
		native-protocol.version = "35"
		application.id = "org.PulseAudio.pavucontrol"
		application.icon_name = "audio-card"
		application.version = "5.0"
		application.process.id = "11863"
		application.process.user = "xxx"
		application.process.host = "yyy"
		application.process.binary = "pavucontrol"
		application.language = "en_US.UTF-8"
		window.x11.display = ":0"
		application.process.machine_id = "ea1f0b096f1a40edb1863c5ee476e8af"
		application.process.session_id = "1"
		module-stream-restore.id = "source-output-by-application-id:org.PulseAudio.pavucontrol"

Source Output #6
	Driver: protocol-native.c
	Owner Module: 10
	Client: 682
	Source: 3
	Sample Specification: s16le 1ch 44100Hz
	Channel Map: mono
	Format: pcm, format.sample_format = "\"s16le\""  format.rate = "44100"  format.channels = "1"  format.channel_map = "\"mono\""
	Corked: yes
	Mute: no
	Volume: mono: 65536 / 100% / 0.00 dB
	        balance 0.00
	Buffer Latency: 0 usec
	Source Latency: 750 usec
	Resample method: copy
	Properties:
		window.icon_name = "skype"
		application.icon_name = "skype"
		media.role = "phone"
		media.name = "Input"
		application.name = "Skype"
		native-protocol.peer = "UNIX socket client"
		native-protocol.version = "35"
		application.process.id = "7232"
		application.process.user = "xxx"
		application.process.host = "yyy"
		application.process.binary = "skypeforlinux"
		application.language = "en_US.UTF-8"
		window.x11.display = ":0"
		application.process.machine_id = "ea1f0b096f1a40edb1863c5ee476e8af"
		application.process.session_id = "1"
		module-stream-restore.id = "source-output-by-media-role:phone"

Source Output #21
	Driver: protocol-native.c
	Owner Module: 10
	Client: 990
	Source: 9
	Sample Specification: float32le 1ch 25Hz
	Channel Map: mono
	Format: pcm, format.sample_format = "\"float32le\""  format.rate = "25"  format.channels = "1"  format.channel_map = "\"mono\""
	Corked: no
	Mute: no
	Volume: mono: 65536 / 100% / 0.00 dB
	        balance 0.00
	Buffer Latency: 8185 usec
	Source Latency: 0 usec
	Resample method: peaks
	Properties:
		media.name = "Peak detect"
		application.name = "PulseAudio Volume Control"
		native-protocol.peer = "UNIX socket client"
		native-protocol.version = "35"
		application.id = "org.PulseAudio.pavucontrol"
		application.icon_name = "audio-card"
		application.version = "5.0"
		application.process.id = "11863"
		application.process.user = "xxx"
		application.process.host = "yyy"
		application.process.binary = "pavucontrol"
		application.language = "en_US.UTF-8"
		window.x11.display = ":0"
		application.process.machine_id = "ea1f0b096f1a40edb1863c5ee476e8af"
		application.process.session_id = "1"
		module-stream-restore.id = "source-output-by-application-id:org.PulseAudio.pavucontrol"

Source Output #22
	Driver: protocol-native.c
	Owner Module: 10
	Client: 990
	Source: 9
	Sample Specification: float32le 1ch 25Hz
	Channel Map: mono
	Format: pcm, format.sample_format = "\"float32le\""  format.rate = "25"  format.channels = "1"  format.channel_map = "\"mono\""
	Corked: no
	Mute: no
	Volume: mono: 65536 / 100% / 0.00 dB
	        balance 0.00
	Buffer Latency: 8185 usec
	Source Latency: 0 usec
	Resample method: peaks
	Properties:
		media.name = "Peak detect"
		application.name = "PulseAudio Volume Control"
		native-protocol.peer = "UNIX socket client"
		native-protocol.version = "35"
		application.id = "org.PulseAudio.pavucontrol"
		application.icon_name = "audio-card"
		application.version = "5.0"
		application.process.id = "11863"
		application.process.user = "xxx"
		application.process.host = "yyy"
		application.process.binary = "pavucontrol"
		application.language = "en_US.UTF-8"
		window.x11.display = ":0"
		application.process.machine_id = "ea1f0b096f1a40edb1863c5ee476e8af"
		application.process.session_id = "1"
		module-stream-restore.id = "source-output-by-application-id:org.PulseAudio.pavucontrol"

Last edited by KhunLing (2021-09-27 13:19:27)

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#6 2021-09-27 13:33:25

V1del
Forum Moderator
Registered: 2012-10-16
Posts: 21,426

Re: Input device plays sound of output device (pulseaudio/pipewire)

Loopback mixing is disabled so that shouldn't be it.

Random shot in the dark, mute the capture control

amixer -c1 set 'Capture',0 off,off

Also because mics claiming they are stereo are often a lie, it might help to mute one or the other channel on the input source.

Last edited by V1del (2021-09-27 13:35:58)

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#7 2021-09-27 13:54:25

KhunLing
Member
Registered: 2021-09-27
Posts: 4

Re: Input device plays sound of output device (pulseaudio/pipewire)

Thanks for the suggestions.

amixer -c1 set 'Capture',0 off,off

This returned "amixer: Invalid command!" but I tried it with "0,0" instead of "off,off" and also manually disabled the Capture in alsamixer. This just turned the volume to 0/disabled the input device in pavucontrol.

Muting all other channels unfortunately also didn't do the trick.

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