On Thu, Mar 23, 2023 at 10:06 PM Jerry Geis <jerry.geis@xxxxxxxxx> wrote: > > > > On Thu, Mar 23, 2023 at 9:35 AM Jerry Geis <jerry.geis@xxxxxxxxx> wrote: >> >> >> I see the below for list-sources. >> >> Source index 1 is muted. >> Source index 2 presents - TWO - microphones >> I want to MUTE the S/PDIF one ???? >> how do I do that ? >> >> The GUI on Ubuntu 20.04 for the Input shows two items >> Digital S/PDIF Webcam and Webcam. >> >> Muting from GUI - works - but how do I do it from the command line ? >> >> Thanks >> >> Jerry >> >> ---- >> pacmd list-sources >> 2 source(s) available. >> index: 1 >> name: <alsa_output.pci-0000_00_1b.0.hdmi-stereo.monitor> >> driver: <module-alsa-card.c> >> flags: DECIBEL_VOLUME LATENCY DYNAMIC_LATENCY >> state: SUSPENDED >> suspend cause: IDLE >> priority: 1030 >> 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: yes >> current latency: 0.00 ms >> max rewind: 0 KiB >> 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 16.00 .. 2000.00 ms >> monitor_of: 0 >> card: 1 <alsa_card.pci-0000_00_1b.0> >> 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 0x89414000 irq 126" >> 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 = "2284" >> device.product.name = "Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx Series High Definition Audio Controller" >> device.form_factor = "internal" >> device.string = "0" >> module-udev-detect.discovered = "1" >> device.icon_name = "audio-card-pci" >> * index: 2 >> name: <alsa_input.usb-046d_Logitech_Webcam_C930e_8E44BAAE-02.iec958-stereo> >> driver: <module-alsa-card.c> >> flags: HARDWARE DECIBEL_VOLUME LATENCY DYNAMIC_LATENCY >> state: RUNNING >> suspend cause: (none) >> priority: 9048 >> volume: front-left: 29450 / 45% / -20.84 dB, front-right: 29450 / 45% / -20.84 dB >> balance 0.00 >> base volume: 65536 / 100% / 0.00 dB >> volume steps: 65537 >> muted: no >> current latency: 0.62 ms >> max rewind: 0 KiB >> sample spec: s16le 2ch 48000Hz >> channel map: front-left,front-right >> Stereo >> used by: 1 >> linked by: 1 >> configured latency: 40.00 ms; range is 0.50 .. 2000.00 ms >> card: 0 <alsa_card.usb-046d_Logitech_Webcam_C930e_8E44BAAE-02> >> module: 7 >> 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 = "Logitech Webcam C930e" >> alsa.long_card_name = "Logitech Webcam C930e at usb-0000:00:14.0-2, high speed" >> alsa.driver_name = "snd_usb_audio" >> device.bus_path = "pci-0000:00:14.0-usb-0:2:1.2" >> sysfs.path = "/devices/pci0000:00/0000:00:14.0/usb1/1-2/1-2:1.2/sound/card1" >> udev.id = "usb-046d_Logitech_Webcam_C930e_8E44BAAE-02" >> device.bus = "usb" >> device.vendor.id = "046d" >> device.vendor.name = "Logitech, Inc." >> device.product.id = "0843" >> device.product.name = "Webcam C930e" >> device.serial = "046d_Logitech_Webcam_C930e_8E44BAAE" >> device.form_factor = "webcam" >> device.string = "iec958:1" >> device.buffering.buffer_size = "384000" >> device.buffering.fragment_size = "192000" >> device.access_mode = "mmap+timer" >> device.profile.name = "iec958-stereo" >> device.profile.description = "Digital Stereo (IEC958)" >> device.description = "Webcam C930e Digital Stereo (IEC958)" >> module-udev-detect.discovered = "1" >> device.icon_name = "camera-web-usb" >> ports: >> iec958-stereo-input: Digital Input (S/PDIF) (priority 0, latency offset 0 usec, available: unknown) >> properties: >> >> active port: <iec958-stereo-input> > > > This shows it: with "pacmd list-cards" > > input:analog-stereo: Analog Stereo Input (priority 65, available: unknown) > input:iec958-stereo: Digital Stereo (IEC958) Input (priority 55, available: unknown) > > I want the analog to be active and want to MUTE this iec958 > > So there are TWO microphones presented on this card (webcam) or USB input microphone. > I want to use the analog one and not the iec958. I get feedback with both enabled. > I can mute it from GUI - but I need to be able to mute JUST the iec958 input and not the analog from the command line. > > So seems the webcam presents two microphones- I need to mute one of them S/PDIF from the command line > thanks > > Jerry > > > pacmd list-cards > 2 card(s) available. > index: 0 > name: <alsa_card.usb-046d_Logitech_Webcam_C930e_8E44BAAE-02> > driver: <module-alsa-card.c> > owner module: 7 > properties: > alsa.card = "1" > alsa.card_name = "Logitech Webcam C930e" > alsa.long_card_name = "Logitech Webcam C930e at usb-0000:00:14.0-2, high speed" > alsa.driver_name = "snd_usb_audio" > device.bus_path = "pci-0000:00:14.0-usb-0:2:1.2" > sysfs.path = "/devices/pci0000:00/0000:00:14.0/usb1/1-2/1-2:1.2/sound/card1" > udev.id = "usb-046d_Logitech_Webcam_C930e_8E44BAAE-02" > device.bus = "usb" > device.vendor.id = "046d" > device.vendor.name = "Logitech, Inc." > device.product.id = "0843" > device.product.name = "Webcam C930e" > device.serial = "046d_Logitech_Webcam_C930e_8E44BAAE" > device.form_factor = "webcam" > device.string = "1" > device.description = "Webcam C930e" > 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:iec958-stereo> > sources: > alsa_input.usb-046d_Logitech_Webcam_C930e_8E44BAAE-02.iec958-stereo/#2: Webcam C930e Digital Stereo (IEC958) > 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: 1 > name: <alsa_card.pci-0000_00_1b.0> > 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 0x89414000 irq 126" > 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 = "2284" > device.product.name = "Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx Series 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: no) > output:analog-stereo: Analog Stereo Output (priority 6500, available: no) > output:analog-stereo+input:analog-stereo: Analog Stereo Duplex (priority 6565, available: no) > output:analog-surround-40: Analog Surround 4.0 Output (priority 33968, available: unknown) > output:analog-surround-40+input:analog-stereo: Analog Surround 4.0 Output + Analog Stereo Input (priority 1265, available: unknown) > output:iec958-stereo: Digital Stereo (IEC958) Output (priority 38268, available: unknown) > output:iec958-stereo+input:analog-stereo: Digital Stereo (IEC958) Output + Analog Stereo Input (priority 5565, available: unknown) > output:hdmi-stereo: Digital Stereo (HDMI) Output (priority 38668, available: unknown) > output:hdmi-stereo+input:analog-stereo: Digital Stereo (HDMI) Output + Analog Stereo Input (priority 5965, available: unknown) > output:hdmi-surround: Digital Surround 5.1 (HDMI) Output (priority 33568, available: unknown) > output:hdmi-surround+input:analog-stereo: Digital Surround 5.1 (HDMI) Output + Analog Stereo Input (priority 865, available: unknown) > off: Off (priority 0, available: unknown) > active profile: <output:hdmi-stereo> > sinks: > alsa_output.pci-0000_00_1b.0.hdmi-stereo/#0: Built-in Audio Digital Stereo (HDMI) > sources: > alsa_output.pci-0000_00_1b.0.hdmi-stereo.monitor/#1: Monitor of Built-in Audio Digital Stereo (HDMI) > ports: > 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" > analog-output: Analog Output (priority 9900, latency offset 0 usec, available: unknown) > properties: > > iec958-stereo-output: Digital Output (S/PDIF) (priority 0, latency offset 0 usec, available: unknown) > properties: > > hdmi-output-0: HDMI / DisplayPort (priority 5900, latency offset 0 usec, available: yes) > properties: > device.icon_name = "video-display" > device.product.name = "SAMSUNG" Don't bother. This is an issue common to 99% of USB webcams. Namely, those not listed explicitly in /usr/share/alsa/cards/USB-Audio.conf. Both the analog and the fake S/PDIF microphones ultimately point to exactly the same ALSA hardware device. -- Alexander E. Patrakov
