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#1 2021-06-03 22:08:45

kendew
Member
Registered: 2016-11-09
Posts: 27

Only Zoom can't find mic only in Arch [Solved]

Hi
In the past week I've been unable to use my microphone ONLY in Zoom and ONLY in Arch.  I've never had this problem.  A few facts:
1.  Microphone shown to be working fine in Pavucontrol.
2.  Microphone works fine with other video chat apps -- Wire and Signal.
3.  Microphone works fine in Zoom with other OSes -- OpenSuse VM guest and Windows 10 guest with Arch host.
4.  Microphone is recognized by Zoom in Arch as seen in Zoom audio settings.
5.  Video, audio output and everything else works as expected in Zoom on Arch.

This leaves me to conclude that something has changed in Arch in the last week that doesn't allow Zoom to use the microphone, even though Zoom can find it.   I have tried un/re-installing Zoom both as flatpak and from Arcolinux repository to no avail.  Changes made to the system before this problem emerged include installation of usual updates and installation of pulseaudio-bluetooth. 

pacmd list-cards
3 card(s) available.
    index: 0
        name: <alsa_card.usb-Sonix_Technology_Co.__Ltd._USB_Live_camera_SN0001-03>
        driver: <module-alsa-card.c>
        owner module: 6
        properties:
                alsa.card = "1"
                alsa.card_name = "USB  Live camera"
                alsa.long_card_name = "Sonix Technology Co., Ltd. USB  Live camera at usb-0000:00:14.0-3, high speed"
                alsa.driver_name = "snd_usb_audio"
                device.bus_path = "pci-0000:00:14.0-usb-0:3:1.3"
                sysfs.path = "/devices/pci0000:00/0000:00:14.0/usb1/1-3/1-3:1.3/sound/card1"
                udev.id = "usb-Sonix_Technology_Co.__Ltd._USB_Live_camera_SN0001-03"
                device.bus = "usb"
                device.vendor.id = "0c45"
                device.vendor.name = "Microdia"
                device.product.id = "ef01"
                device.product.name = "USB  Live camera"
                device.serial = "Sonix_Technology_Co.__Ltd._USB_Live_camera_SN0001"
                device.form_factor = "webcam"
                device.string = "1"
                device.description = "USB  Live camera"
                module-udev-detect.discovered = "1"
                device.icon_name = "camera-web-usb"
        profiles:
                input:analog-stereo: Analog Stereo Input (priority 65, available: unknown)
                input:iec958-stereo: Digital Stereo (IEC958) Input (priority 55, available: unknown)
                off: Off (priority 0, available: unknown)
        active profile: <input:analog-stereo>
        sources:
                alsa_input.usb-Sonix_Technology_Co.__Ltd._USB_Live_camera_SN0001-03.analog-stereo/#0: USB  Live camera Analog Stereo
        ports:
                analog-input-mic: Microphone (priority 8700, latency offset 0 usec, available: unknown)
                        properties:
                                device.icon_name = "audio-input-microphone"
                iec958-stereo-input: Digital Input (S/PDIF) (priority 0, latency offset 0 usec, available: unknown)
                        properties:

    index: 2
        name: <alsa_card.pci-0000_00_1f.3>
        driver: <module-alsa-card.c>
        owner module: 8
        properties:
                alsa.card = "0"
                alsa.card_name = "HDA Intel PCH"
                alsa.long_card_name = "HDA Intel PCH at 0xa8b20000 irq 151"
                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 = "9dc8"
                device.product.name = "Cannon Point-LP High Definition Audio Controller"
                device.form_factor = "internal"
                device.string = "0"
                device.description = "Built-in Audio"
                module-udev-detect.discovered = "1"
                device.icon_name = "audio-card-pci"
        profiles:
                input:analog-stereo: Analog Stereo Input (priority 65, available: unknown)
                output:analog-stereo: Analog Stereo Output (priority 6500, available: no)
                output:analog-stereo+input:analog-stereo: Analog Stereo Duplex (priority 6565, available: no)
                output:hdmi-stereo: Digital Stereo (HDMI) Output (priority 5900, available: unknown)
                output:hdmi-stereo+input:analog-stereo: Digital Stereo (HDMI) Output + Analog Stereo Input (priority 5965, available: unknown)
                output:hdmi-stereo-extra1: Digital Stereo (HDMI 2) Output (priority 5700, available: no)
                output:hdmi-stereo-extra1+input:analog-stereo: Digital Stereo (HDMI 2) Output + Analog Stereo Input (priority 5765, available: no)
                output:hdmi-surround-extra1: Digital Surround 5.1 (HDMI 2) Output (priority 600, available: no)
                output:hdmi-surround-extra1+input:analog-stereo: Digital Surround 5.1 (HDMI 2) Output + Analog Stereo Input (priority 665, available: no)
                output:hdmi-surround71-extra1: Digital Surround 7.1 (HDMI 2) Output (priority 600, available: no)
                output:hdmi-surround71-extra1+input:analog-stereo: Digital Surround 7.1 (HDMI 2) Output + Analog Stereo Input (priority 665, available: no)
                output:hdmi-stereo-extra2: Digital Stereo (HDMI 3) Output (priority 5700, available: no)
                output:hdmi-stereo-extra2+input:analog-stereo: Digital Stereo (HDMI 3) Output + Analog Stereo Input (priority 5765, available: no)
                output:hdmi-surround-extra2: Digital Surround 5.1 (HDMI 3) Output (priority 600, available: no)
                output:hdmi-surround-extra2+input:analog-stereo: Digital Surround 5.1 (HDMI 3) Output + Analog Stereo Input (priority 665, available: no)
                output:hdmi-surround71-extra2: Digital Surround 7.1 (HDMI 3) Output (priority 600, available: no)
                output:hdmi-surround71-extra2+input:analog-stereo: Digital Surround 7.1 (HDMI 3) Output + Analog Stereo Input (priority 665, available: no)
                output:hdmi-stereo-extra3: Digital Stereo (HDMI 4) Output (priority 5700, available: no)
                output:hdmi-stereo-extra3+input:analog-stereo: Digital Stereo (HDMI 4) Output + Analog Stereo Input (priority 5765, available: no)
                output:hdmi-surround-extra3: Digital Surround 5.1 (HDMI 4) Output (priority 600, available: no)
                output:hdmi-surround-extra3+input:analog-stereo: Digital Surround 5.1 (HDMI 4) Output + Analog Stereo Input (priority 665, available: no)
                output:hdmi-surround71-extra3: Digital Surround 7.1 (HDMI 4) Output (priority 600, available: no)
                output:hdmi-surround71-extra3+input:analog-stereo: Digital Surround 7.1 (HDMI 4) Output + Analog Stereo Input (priority 665, available: no)
                output:hdmi-stereo-extra4: Digital Stereo (HDMI 5) Output (priority 5700, available: no)
                output:hdmi-stereo-extra4+input:analog-stereo: Digital Stereo (HDMI 5) Output + Analog Stereo Input (priority 5765, available: no)
                output:hdmi-surround-extra4: Digital Surround 5.1 (HDMI 5) Output (priority 600, available: no)
                output:hdmi-surround-extra4+input:analog-stereo: Digital Surround 5.1 (HDMI 5) Output + Analog Stereo Input (priority 665, available: no)
                output:hdmi-surround71-extra4: Digital Surround 7.1 (HDMI 5) Output (priority 600, available: no)
                output:hdmi-surround71-extra4+input:analog-stereo: Digital Surround 7.1 (HDMI 5) Output + Analog Stereo Input (priority 665, available: no)
                off: Off (priority 0, available: unknown)
        active profile: <output:hdmi-stereo+input:analog-stereo>
        sinks:
                alsa_output.pci-0000_00_1f.3.hdmi-stereo/#0: Built-in Audio Digital Stereo (HDMI)
        sources:
                alsa_output.pci-0000_00_1f.3.hdmi-stereo.monitor/#2: Monitor of Built-in Audio Digital Stereo (HDMI)
                alsa_input.pci-0000_00_1f.3.analog-stereo/#3: Built-in Audio Analog Stereo
        ports:
                analog-input-internal-mic: Internal Microphone (priority 8900, latency offset 0 usec, available: unknown)
                        properties:
                                device.icon_name = "audio-input-microphone"
                analog-input-mic: Microphone (priority 8700, latency offset 0 usec, available: no)
                        properties:
                                device.icon_name = "audio-input-microphone"
                analog-output-headphones: Headphones (priority 9900, latency offset 0 usec, available: no)
                        properties:
                                device.icon_name = "audio-headphones"
                hdmi-output-0: HDMI / DisplayPort (priority 5900, latency offset 0 usec, available: yes)
                        properties:
                                device.icon_name = "video-display"
                                device.product.name = "BenQ EW2780"
                hdmi-output-1: HDMI / DisplayPort 2 (priority 5800, latency offset 0 usec, available: no)
                        properties:
                                device.icon_name = "video-display"
                hdmi-output-2: HDMI / DisplayPort 3 (priority 5700, latency offset 0 usec, available: no)
                        properties:
                                device.icon_name = "video-display"
                hdmi-output-3: HDMI / DisplayPort 4 (priority 5600, latency offset 0 usec, available: no)
                        properties:
                                device.icon_name = "video-display"
                hdmi-output-4: HDMI / DisplayPort 5 (priority 5500, latency offset 0 usec, available: no)
                        properties:
                                device.icon_name = "video-display"
    index: 3
        name: <alsa_card.usb-FuZhou_Kingwayinfo_CO._LTD_TONOR_TC30_Audio_Device_20200707-00>
        driver: <module-alsa-card.c>
        owner module: 28
        properties:
                alsa.card = "2"
                alsa.card_name = "TONOR TC30 Audio Device"
                alsa.long_card_name = "FuZhou Kingwayinfo CO.,LTD TONOR TC30 Audio Device at usb-0000:3a:00.0-1.1, ful"
                alsa.driver_name = "snd_usb_audio"
                device.bus_path = "pci-0000:3a:00.0-usb-0:1.1:1.0"
                sysfs.path = "/devices/pci0000:00/0000:00:1c.4/0000:02:00.0/0000:03:02.0/0000:3a:00.0/usb3/3-1/3-1.1/3-1.1:1.0/sound/card2"
                udev.id = "usb-FuZhou_Kingwayinfo_CO._LTD_TONOR_TC30_Audio_Device_20200707-00"
                device.bus = "usb"
                device.vendor.id = "0d8c"
                device.vendor.name = "C-Media Electronics, Inc."
                device.product.id = "0134"
                device.product.name = "TONOR TC30 Audio Device"
                device.serial = "FuZhou_Kingwayinfo_CO._LTD_TONOR_TC30_Audio_Device_20200707"
                device.string = "2"
                device.description = "TONOR TC30 Audio Device"
                module-udev-detect.discovered = "1"
                device.icon_name = "audio-card-usb"
        profiles:
                input:mono-fallback: Mono Input (priority 1, available: unknown)
                input:multichannel-input: Multichannel Input (priority 1, available: unknown)
                off: Off (priority 0, available: unknown)
        active profile: <input:multichannel-input>
        sources:
                alsa_input.usb-FuZhou_Kingwayinfo_CO._LTD_TONOR_TC30_Audio_Device_20200707-00.multichannel-input/#4: TONOR TC30 Audio Device Multichannel
        ports:
                analog-input-mic: Microphone (priority 8700, latency offset 0 usec, available: unknown)
                        properties:
                                device.icon_name = "audio-input-microphone"
arecord -L
null
    Discard all samples (playback) or generate zero samples (capture)
samplerate
    Rate Converter Plugin Using Samplerate Library
speexrate
    Rate Converter Plugin Using Speex Resampler
jack
    JACK Audio Connection Kit
oss
    Open Sound System
pulse
    PulseAudio Sound Server
speex
    Plugin using Speex DSP (resample, agc, denoise, echo, dereverb)
upmix
    Plugin for channel upmix (4,6,8)
vdownmix
    Plugin for channel downmix (stereo) with a simple spacialization
default
    Default ALSA Output (currently PulseAudio Sound Server)
sysdefault:CARD=PCH
    HDA Intel PCH, ALC233 Analog
    Default Audio Device
front:CARD=PCH,DEV=0
    HDA Intel PCH, ALC233 Analog
    Front output / input
usbstream:CARD=PCH
    HDA Intel PCH
    USB Stream Output
sysdefault:CARD=camera
    USB  Live camera, USB Audio
    Default Audio Device
front:CARD=camera,DEV=0
    USB  Live camera, USB Audio
    Front output / input
usbstream:CARD=camera
    USB  Live camera
    USB Stream Output
sysdefault:CARD=Device
    TONOR TC30 Audio Device, USB Audio
    Default Audio Device
front:CARD=Device,DEV=0
    TONOR TC30 Audio Device, USB Audio
    Front output / input
usbstream:CARD=Device
    TONOR TC30 Audio Device
    USB Stream Output

Thanks for any help on this.

Last edited by kendew (2021-06-05 21:47:41)

Offline

#2 2021-06-04 01:12:19

V1del
Forum Moderator
Registered: 2012-10-16
Posts: 12,992

Re: Only Zoom can't find mic only in Arch [Solved]

Please post

pacmd list-sources
pacmd list-source-outputs
sudo fuser -v /dev/snd/*

while attempting to record in zoom

Offline

#3 2021-06-04 02:56:12

kendew
Member
Registered: 2016-11-09
Posts: 27

Re: Only Zoom can't find mic only in Arch [Solved]

Here goes:

$ pacmd list-sources
4 source(s) available.
    index: 2
        name: <alsa_output.pci-0000_00_1f.3.hdmi-stereo.monitor>
        driver: <module-alsa-card.c>
        flags: DECIBEL_VOLUME LATENCY DYNAMIC_LATENCY
        state: RUNNING
        suspend cause: (none)
        priority: 1030
        volume: front-left: 66847 / 102% / 0.52 dB,   front-right: 66847 / 102% / 0.52 dB
                balance 0.00
        base volume: 65536 / 100% / 0.00 dB
        volume steps: 65537
        muted: no
        current latency: 0.00 ms
        max rewind: 0 KiB
        sample spec: s16le 2ch 44100Hz
        channel map: front-left,front-right
                     Stereo
        used by: 2
        linked by: 2
        configured latency: 40.00 ms; range is 4.00 .. 2000.00 ms
        monitor_of: 0
        card: 2 <alsa_card.pci-0000_00_1f.3>
        module: 8
        properties:
                device.description = "Monitor of Built-in Audio Digital Stereo (HDMI)"
                device.class = "monitor"
                alsa.card = "0"
                alsa.card_name = "HDA Intel PCH"
                alsa.long_card_name = "HDA Intel PCH at 0xa8b20000 irq 151"
                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 = "9dc8"
                device.product.name = "Cannon Point-LP High Definition Audio Controller"
                device.form_factor = "internal"
                device.string = "0"
                module-udev-detect.discovered = "1"
                device.icon_name = "audio-card-pci"
    index: 3
        name: <alsa_input.pci-0000_00_1f.3.analog-stereo>
        driver: <module-alsa-card.c>
        flags: HARDWARE HW_MUTE_CTRL HW_VOLUME_CTRL DECIBEL_VOLUME LATENCY DYNAMIC_LATENCY
        state: RUNNING
        suspend cause: (none)
        priority: 9039
        volume: front-left: 65536 / 100% / 0.00 dB,   front-right: 65536 / 100% / 0.00 dB
                balance 0.00
        base volume: 13076 /  20% / -42.00 dB
        volume steps: 65537
        muted: no
        current latency: 0.26 ms
        max rewind: 0 KiB
        sample spec: s16le 2ch 44100Hz
        channel map: front-left,front-right
                     Stereo
        used by: 1
        linked by: 1
        configured latency: 40.00 ms; range is 1.00 .. 2000.00 ms
        card: 2 <alsa_card.pci-0000_00_1f.3>
        module: 8
        properties:
                alsa.resolution_bits = "16"
                device.api = "alsa"
                device.class = "sound"
                alsa.class = "generic"
                alsa.subclass = "generic-mix"
                alsa.name = "ALC233 Analog"
                alsa.id = "ALC233 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 0xa8b20000 irq 151"
                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 = "9dc8"
                device.product.name = "Cannon Point-LP 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"
                module-udev-detect.discovered = "1"
                device.icon_name = "audio-card-pci"
        ports:
                analog-input-internal-mic: Internal Microphone (priority 8900, latency offset 0 usec, available: unknown)
                        properties:
                                device.icon_name = "audio-input-microphone"
                analog-input-mic: Microphone (priority 8700, latency offset 0 usec, available: no)
                        properties:
                                device.icon_name = "audio-input-microphone"
        active port: <analog-input-internal-mic>
    index: 6
        name: <alsa_input.usb-FuZhou_Kingwayinfo_CO._LTD_TONOR_TC30_Audio_Device_20200707-00.multichannel-input>
        driver: <module-alsa-card.c>
        flags: HARDWARE DECIBEL_VOLUME LATENCY DYNAMIC_LATENCY
        state: RUNNING
        suspend cause: (none)
        priority: 9040
        volume: mono: 65536 / 100% / 0.00 dB
                balance 0.00
        base volume: 65536 / 100% / 0.00 dB
        volume steps: 65537
        muted: no
        current latency: 3.66 ms
        max rewind: 0 KiB
        sample spec: s16le 1ch 44100Hz
        channel map: mono
                     Mono
        used by: 1
        linked by: 1
        configured latency: 40.00 ms; range is 0.50 .. 2000.00 ms
        card: 5 <alsa_card.usb-FuZhou_Kingwayinfo_CO._LTD_TONOR_TC30_Audio_Device_20200707-00>
        module: 30
        properties:
                alsa.resolution_bits = "16"
                device.api = "alsa"
                device.class = "sound"
                alsa.class = "generic"
                alsa.subclass = "generic-mix"
                alsa.name = "USB Audio"
                alsa.id = "USB Audio"
                alsa.subdevice = "0"
                alsa.subdevice_name = "subdevice #0"
                alsa.device = "0"
                alsa.card = "1"
                alsa.card_name = "TONOR TC30 Audio Device"
                alsa.long_card_name = "FuZhou Kingwayinfo CO.,LTD TONOR TC30 Audio Device at usb-0000:3a:00.0-1.1, ful"
                alsa.driver_name = "snd_usb_audio"
                device.bus_path = "pci-0000:3a:00.0-usb-0:1.1:1.0"
                sysfs.path = "/devices/pci0000:00/0000:00:1c.4/0000:02:00.0/0000:03:02.0/0000:3a:00.0/usb3/3-1/3-1.1/3-1.1:1.0/sound/card1"
                udev.id = "usb-FuZhou_Kingwayinfo_CO._LTD_TONOR_TC30_Audio_Device_20200707-00"
                device.bus = "usb"
                device.vendor.id = "0d8c"
                device.vendor.name = "C-Media Electronics, Inc."
                device.product.id = "0134"
                device.product.name = "TONOR TC30 Audio Device"
                device.serial = "FuZhou_Kingwayinfo_CO._LTD_TONOR_TC30_Audio_Device_20200707"
                device.string = "hw:1"
                device.buffering.buffer_size = "176400"
                device.buffering.fragment_size = "88200"
                device.access_mode = "mmap+timer"
                device.profile.name = "multichannel-input"
                device.profile.description = "Multichannel"
                device.description = "TONOR TC30 Audio Device Multichannel"
                module-udev-detect.discovered = "1"
                device.icon_name = "audio-card-usb"
  * index: 7
        name: <alsa_input.usb-Sonix_Technology_Co.__Ltd._USB_Live_camera_SN0001-03.analog-stereo>
        driver: <module-alsa-card.c>
        flags: HARDWARE HW_MUTE_CTRL HW_VOLUME_CTRL DECIBEL_VOLUME LATENCY DYNAMIC_LATENCY
        state: RUNNING
        suspend cause: (none)
        priority: 9049
        volume: front-left: 0 /   0% / -inf dB,   front-right: 0 /   0% / -inf dB
                balance 0.00
        base volume: 65536 / 100% / 0.00 dB
        volume steps: 65537
        muted: no
        current latency: 0.78 ms
        max rewind: 0 KiB
        sample spec: s16le 2ch 44100Hz
        channel map: front-left,front-right
                     Stereo
        used by: 2
        linked by: 2
        configured latency: 10.00 ms; range is 0.50 .. 2000.00 ms
        card: 6 <alsa_card.usb-Sonix_Technology_Co.__Ltd._USB_Live_camera_SN0001-03>
        module: 31
        properties:
                alsa.resolution_bits = "16"
                device.api = "alsa"
                device.class = "sound"
                alsa.class = "generic"
                alsa.subclass = "generic-mix"
                alsa.name = "USB Audio"
                alsa.id = "USB Audio"
                alsa.subdevice = "0"
                alsa.subdevice_name = "subdevice #0"
                alsa.device = "0"
                alsa.card = "2"
                alsa.card_name = "USB  Live camera"
                alsa.long_card_name = "Sonix Technology Co., Ltd. USB  Live camera at usb-0000:00:14.0-3, high speed"
                alsa.driver_name = "snd_usb_audio"
                device.bus_path = "pci-0000:00:14.0-usb-0:3:1.3"
                sysfs.path = "/devices/pci0000:00/0000:00:14.0/usb1/1-3/1-3:1.3/sound/card2"
                udev.id = "usb-Sonix_Technology_Co.__Ltd._USB_Live_camera_SN0001-03"
                device.bus = "usb"
                device.vendor.id = "0c45"
                device.vendor.name = "Microdia"
                device.product.id = "ef01"
                device.product.name = "USB  Live camera"
                device.serial = "Sonix_Technology_Co.__Ltd._USB_Live_camera_SN0001"
                device.form_factor = "webcam"
                device.string = "front:2"
                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 = "USB  Live camera Analog Stereo"
                module-udev-detect.discovered = "1"
                device.icon_name = "camera-web-usb"
        ports:
                analog-input-mic: Microphone (priority 8700, latency offset 0 usec, available: unknown)
                        properties:
                                device.icon_name = "audio-input-microphone"
        active port: <analog-input-mic>
$ pacmd list-source-outputs
6 source output(s) available.
    index: 3
        driver: <protocol-native.c>
        flags: DONT_MOVE 
        state: RUNNING
        source: 2 <alsa_output.pci-0000_00_1f.3.hdmi-stereo.monitor>
        volume: mono: 65536 / 100% / 0.00 dB
                balance 0.00
        muted: no
        current latency: 3.27 ms
        requested latency: 40.00 ms
        sample spec: float32le 1ch 25Hz
        channel map: mono
                     Mono
        resample method: peaks
        owner module: 13
        client: 12 <PulseAudio Volume Control>
        properties:
                media.name = "Peak detect"
                application.name = "PulseAudio Volume Control"
                native-protocol.peer = "UNIX socket client"
                native-protocol.version = "34"
                application.id = "org.PulseAudio.pavucontrol"
                application.icon_name = "audio-card"
                application.version = "0.1"
                application.process.id = "3419"
                application.process.user = "kendew"
                application.process.host = "Ao"
                application.process.binary = "pavucontrol-qt"
                application.language = "en_US.UTF-8"
                window.x11.display = ":0"
                application.process.machine_id = "9b30967e10144156847b5d6da9802c99"
                application.process.session_id = "2"
                module-stream-restore.id = "source-output-by-application-id:org.PulseAudio.pavucontrol"
    index: 4
        driver: <protocol-native.c>
        flags: DONT_MOVE 
        state: RUNNING
        source: 3 <alsa_input.pci-0000_00_1f.3.analog-stereo>
        volume: mono: 65536 / 100% / 0.00 dB
                balance 0.00
        muted: no
        current latency: 0.00 ms
        requested latency: 40.00 ms
        sample spec: float32le 1ch 25Hz
        channel map: mono
                     Mono
        resample method: peaks
        owner module: 13
        client: 12 <PulseAudio Volume Control>
        properties:
                media.name = "Peak detect"
                application.name = "PulseAudio Volume Control"
                native-protocol.peer = "UNIX socket client"
                native-protocol.version = "34"
                application.id = "org.PulseAudio.pavucontrol"
                application.icon_name = "audio-card"
                application.version = "0.1"
                application.process.id = "3419"
                application.process.user = "kendew"
                application.process.host = "Ao"
                application.process.binary = "pavucontrol-qt"
                application.language = "en_US.UTF-8"
                window.x11.display = ":0"
                application.process.machine_id = "9b30967e10144156847b5d6da9802c99"
                application.process.session_id = "2"
                module-stream-restore.id = "source-output-by-application-id:org.PulseAudio.pavucontrol"
    index: 29
        driver: <protocol-native.c>
        flags: DONT_MOVE 
        state: RUNNING
        source: 6 <alsa_input.usb-FuZhou_Kingwayinfo_CO._LTD_TONOR_TC30_Audio_Device_20200707-00.multichannel-input>
        volume: mono: 65536 / 100% / 0.00 dB
                balance 0.00
        muted: no
        current latency: 0.00 ms
        requested latency: 40.00 ms
        sample spec: float32le 1ch 25Hz
        channel map: mono
                     Mono
        resample method: peaks
        owner module: 13
        client: 12 <PulseAudio Volume Control>
        properties:
                media.name = "Peak detect"
                application.name = "PulseAudio Volume Control"
                native-protocol.peer = "UNIX socket client"
                native-protocol.version = "34"
                application.id = "org.PulseAudio.pavucontrol"
                application.icon_name = "audio-card"
                application.version = "0.1"
                application.process.id = "3419"
                application.process.user = "kendew"
                application.process.host = "Ao"
                application.process.binary = "pavucontrol-qt"
                application.language = "en_US.UTF-8"
                window.x11.display = ":0"
                application.process.machine_id = "9b30967e10144156847b5d6da9802c99"
                application.process.session_id = "2"
                module-stream-restore.id = "source-output-by-application-id:org.PulseAudio.pavucontrol"
    index: 30
        driver: <protocol-native.c>
        flags: DONT_MOVE 
        state: RUNNING
        source: 7 <alsa_input.usb-Sonix_Technology_Co.__Ltd._USB_Live_camera_SN0001-03.analog-stereo>
        volume: mono: 65536 / 100% / 0.00 dB
                balance 0.00
        muted: no
        current latency: 0.00 ms
        requested latency: 40.00 ms
        sample spec: float32le 1ch 25Hz
        channel map: mono
                     Mono
        resample method: peaks
        owner module: 13
        client: 12 <PulseAudio Volume Control>
        properties:
                media.name = "Peak detect"
                application.name = "PulseAudio Volume Control"
                native-protocol.peer = "UNIX socket client"
                native-protocol.version = "34"
                application.id = "org.PulseAudio.pavucontrol"
                application.icon_name = "audio-card"
                application.version = "0.1"
                application.process.id = "3419"
                application.process.user = "kendew"
                application.process.host = "Ao"
                application.process.binary = "pavucontrol-qt"
                application.language = "en_US.UTF-8"
                window.x11.display = ":0"
                application.process.machine_id = "9b30967e10144156847b5d6da9802c99"
                application.process.session_id = "2"
                module-stream-restore.id = "source-output-by-application-id:org.PulseAudio.pavucontrol"
    index: 53
        driver: <protocol-native.c>
        flags: DONT_MOVE 
        state: RUNNING
        source: 7 <alsa_input.usb-Sonix_Technology_Co.__Ltd._USB_Live_camera_SN0001-03.analog-stereo>
        volume: front-left: 65536 / 100% / 0.00 dB,   front-right: 65536 / 100% / 0.00 dB
                balance 0.00
        muted: yes
        current latency: 0.00 ms
        requested latency: 10.00 ms
        sample spec: s16le 2ch 44100Hz
        channel map: front-left,front-right
                     Stereo
        resample method: (null)
        owner module: 13
        client: 34 <ZOOM VoiceEngine>
        properties:
                media.name = "recStream"
                application.name = "ZOOM VoiceEngine"
                native-protocol.peer = "UNIX socket client"
                native-protocol.version = "34"
                application.process.id = "24966"
                application.process.user = "kendew"
                application.process.host = "Ao"
                application.process.binary = "zoom"
                application.language = "en_US.UTF-8"
                window.x11.display = ":0"
                application.process.machine_id = "9b30967e10144156847b5d6da9802c99"
                application.process.session_id = "2"
                module-stream-restore.id = "source-output-by-application-name:ZOOM VoiceEngine"
    index: 54
        driver: <protocol-native.c>
        flags: DONT_MOVE 
        state: RUNNING
        source: 2 <alsa_output.pci-0000_00_1f.3.hdmi-stereo.monitor>
        volume: mono: 65536 / 100% / 0.00 dB
                balance 0.00
        muted: no
        current latency: 3.74 ms
        requested latency: 40.00 ms
        sample spec: float32le 1ch 25Hz
        channel map: mono
                     Mono
        resample method: peaks
        owner module: 13
        client: 12 <PulseAudio Volume Control>
        direct on input: 20
        properties:
                media.name = "Peak detect"
                application.name = "PulseAudio Volume Control"
                native-protocol.peer = "UNIX socket client"
                native-protocol.version = "34"
                application.id = "org.PulseAudio.pavucontrol"
                application.icon_name = "audio-card"
                application.version = "0.1"
                application.process.id = "3419"
                application.process.user = "kendew"
                application.process.host = "Ao"
                application.process.binary = "pavucontrol-qt"
                application.language = "en_US.UTF-8"
                window.x11.display = ":0"
                application.process.machine_id = "9b30967e10144156847b5d6da9802c99"
                application.process.session_id = "2"
                module-stream-restore.id = "source-output-by-application-id:org.PulseAudio.pavucontrol"
$ sudo fuser -v /dev/snd/*
Cannot stat file /proc/817/fd/4: Permission denied
Cannot stat file /proc/817/fd/5: Permission denied
Cannot stat file /proc/817/fd/6: Permission denied
Cannot stat file /proc/817/fd/27: Permission denied
Cannot stat file /proc/817/fd/30: Permission denied
Cannot stat file /proc/817/fd/31: Permission denied
Cannot stat file /proc/817/fd/32: Permission denied
Cannot stat file /proc/817/fd/33: Permission denied
Cannot stat file /proc/817/fd/34: Permission denied
Cannot stat file /proc/817/fd/35: Permission denied
Cannot stat file /proc/817/fd/114: Permission denied
Cannot stat file /proc/817/fd/115: Permission denied
Cannot stat file /proc/817/fd/1023: Permission denied
Cannot stat file /proc/1002/fd/5: Permission denied
Cannot stat file /proc/1002/fd/6: Permission denied
Cannot stat file /proc/1002/fd/7: Permission denied
Cannot stat file /proc/1002/fd/8: Permission denied
Cannot stat file /proc/1002/fd/9: Permission denied
Cannot stat file /proc/1002/fd/10: Permission denied
Cannot stat file /proc/1002/fd/11: Permission denied
Cannot stat file /proc/1002/fd/12: Permission denied
Cannot stat file /proc/1002/fd/13: Permission denied
Cannot stat file /proc/1129/fd/3: Permission denied
Cannot stat file /proc/1166/fd/4: Permission denied
Cannot stat file /proc/1166/fd/5: Permission denied
Cannot stat file /proc/1166/fd/6: Permission denied
Cannot stat file /proc/1166/fd/27: Permission denied
Cannot stat file /proc/1166/fd/30: Permission denied
Cannot stat file /proc/1166/fd/31: Permission denied
Cannot stat file /proc/1166/fd/32: Permission denied
Cannot stat file /proc/1166/fd/33: Permission denied
Cannot stat file /proc/1166/fd/34: Permission denied
Cannot stat file /proc/1166/fd/35: Permission denied
Cannot stat file /proc/1166/fd/1023: Permission denied
Cannot stat file /proc/1213/fd/5: Permission denied
Cannot stat file /proc/1213/fd/6: Permission denied
Cannot stat file /proc/1213/fd/7: Permission denied
Cannot stat file /proc/1213/fd/8: Permission denied
Cannot stat file /proc/1213/fd/9: Permission denied
Cannot stat file /proc/1213/fd/10: Permission denied
Cannot stat file /proc/1213/fd/11: Permission denied
Cannot stat file /proc/1213/fd/12: Permission denied
Cannot stat file /proc/1213/fd/13: Permission denied
Cannot stat file /proc/1213/fd/17: Permission denied
Cannot stat file /proc/1213/fd/18: Permission denied
Cannot stat file /proc/1213/fd/38: Permission denied
                     USER        PID ACCESS COMMAND
/dev/snd/controlC0:  kendew      876 F.... pulseaudio
/dev/snd/controlC2:  kendew      876 F.... pulseaudio
/dev/snd/pcmC0D0c:   kendew      876 F...m pulseaudio
/dev/snd/pcmC0D3p:   kendew      876 F...m pulseaudio
/dev/snd/pcmC1D0c:   kendew      876 F...m pulseaudio
/dev/snd/pcmC2D0c:   kendew      876 F...m pulseaudio

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#4 2021-06-04 07:10:37

V1del
Forum Moderator
Registered: 2012-10-16
Posts: 12,992

Re: Only Zoom can't find mic only in Arch [Solved]

 index: 53
        driver: <protocol-native.c>
        flags: DONT_MOVE 
        state: RUNNING
        source: 7 <alsa_input.usb-Sonix_Technology_Co.__Ltd._USB_Live_camera_SN0001-03.analog-stereo>
        volume: front-left: 65536 / 100% / 0.00 dB,   front-right: 65536 / 100% / 0.00 dB
                balance 0.00
        muted: yes
        current latency: 0.00 ms
        requested latency: 10.00 ms
        sample spec: s16le 2ch 44100Hz
        channel map: front-left,front-right
                     Stereo
        resample method: (null)
        owner module: 13
        client: 34 <ZOOM VoiceEngine>
        properties:
                media.name = "recStream"
                application.name = "ZOOM VoiceEngine"
                native-protocol.peer = "UNIX socket client"
                native-protocol.version = "34"
                application.process.id = "24966"
                application.process.user = "kendew"
                application.process.host = "Ao"
                application.process.binary = "zoom"
                application.language = "en_US.UTF-8"
                window.x11.display = ":0"
                application.process.machine_id = "9b30967e10144156847b5d6da9802c99"
                application.process.session_id = "2"
                module-stream-restore.id = "source-output-by-application-name:ZOOM VoiceEngine"

Your zoom stream is muted and recording from the webcam (which is also muted),  both conditions you probably don't want. Since zoom has the annoying specialty of defining their recording sink as hardcoded to a specific input you can't move that outside of zoom, but you should double check your zoom settings to select the actual device you want. Also the webcam mic is defined as the default source to try for new applications, to help prevent issues like these you probably want to change that to the mic:

pacmd set-default-source alsa_input.usb-FuZhou_Kingwayinfo_CO._LTD_TONOR_TC30_Audio_Device_20200707-00.multichannel-input

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#5 2021-06-05 21:46:56

kendew
Member
Registered: 2016-11-09
Posts: 27

Re: Only Zoom can't find mic only in Arch [Solved]

A very excellent tip.  I went into the recording section of Pavucontrol while recording in Zoom and unmuted.  That seemed to activate the microphone in Zoom.  I hadn't really looked under recording in Pavucontrol because there has to be recording going on to show anything and didn't make the association.
Thanks for the reply.

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