Question

9

Sound not working on ubuntu 20.04

rated 0 times [ 9] [ 0] / answers: 1 / hits: 14636 / 3 Years ago, sun, october 3, 2021, 5:33:02

at the very beginning sound was working using the motherboard line out jack.
A few days ago the motherboard line out jack went bad. The sound is awfully robotic and unintelligible. The jack on the case front panel gives no sound at all (I hadn't tried it before, because I was using the motherboard line out on the back).

Computer is 3 weeks old:

I've tried many things: pavucontrols, reloading/restarting alsa and pulseaudio, adding lines like options snd-hda-intel model=auto, installing graphics card driver but nothing seems to work.

A few additional info:

Ubuntu

$ lsb_release -a | grep Description

Description:    Ubuntu 20.04.4 LTS

Kernel

$ uname -a

Linux dodo 5.13.0-37-generic #42~20.04.1-Ubuntu SMP Tue Mar 15 15:44:28 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux

Mobo

$ sudo dmidecode -t 2 | grep "Manufacturer|Product"

Manufacturer: Gigabyte Technology Co., Ltd.

Product Name: Z690 AORUS PRO

Audio

$ lspci -v | grep Audio

00:1f.3 Audio device: Intel Corporation Device 7ad0 (rev 11)

01:00.1 Audio device: NVIDIA Corporation GP107GL High Definition Audio Controller (rev a1)

    Subsystem: Gigabyte Technology Co., Ltd GP107GL High Definition Audio Controller

Graphics card

$ cat /proc/asound/card*/codec* | grep Codec

Codec: Nvidia GPU 80 HDMI/DP

Update: additional information

$ pactl list sinks

Sink #5

    State: SUSPENDED

    Name: alsa_output.usb-Generic_USB_Audio-00.analog-stereo

    Description: USB Audio Analog Stereo

    Driver: module-alsa-card.c

    Sample Specification: s16le 2ch 44100Hz

    Channel Map: front-left,front-right

    Owner Module: 26

    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 Source: alsa_output.usb-Generic_USB_Audio-00.analog-stereo.monitor

    Latency: 0 usec, configured 0 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 = "USB Audio"

        alsa.id = "USB Audio"

        alsa.subdevice = "0"

        alsa.subdevice_name = "subdevice #0"

        alsa.device = "0"

        alsa.card = "2"

        alsa.card_name = "USB Audio"

        alsa.long_card_name = "Generic USB Audio at usb-0000:00:14.0-4, high speed"

        alsa.driver_name = "snd_usb_audio"

        device.bus_path = "pci-0000:00:14.0-usb-0:4:1.0"

        sysfs.path = "/devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4:1.0/sound/card2"

        udev.id = "usb-Generic_USB_Audio-00"

        device.bus = "usb"

        device.vendor.id = "0414"

        device.vendor.name = "Giga-Byte Technology Co., Ltd"

        device.product.id = "a012"

        device.product.name = "USB Audio"

        device.serial = "Generic_USB_Audio"

        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 Audio Analog Stereo"

        module-udev-detect.discovered = "1"

        device.icon_name = "audio-card-usb"

    Ports:

        analog-output-speaker: Speakers (priority: 10000, not available)

        analog-output-headphones: Headphones (priority: 9900, available)

    Active Port: analog-output-headphones

    Formats:

        pcm

$ pactl list cards

Card #0

    Name: alsa_card.pci-0000_01_00.1

    Driver: module-alsa-card.c

    Owner Module: 7

    Properties:

        alsa.card = "1"

        alsa.card_name = "HDA NVidia"

        alsa.long_card_name = "HDA NVidia at 0x53080000 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 = "0fb9"

        device.product.name = "GP107GL High Definition Audio Controller"

        device.string = "1"

        device.description = "GP107GL High Definition Audio Controller"

        module-udev-detect.discovered = "1"

        device.icon_name = "audio-card-pci"

    Profiles:

        output:hdmi-stereo: Digital Stereo (HDMI) Output (sinks: 1, sources: 0, priority: 5900, available: no)

        output:hdmi-surround: Digital Surround 5.1 (HDMI) Output (sinks: 1, sources: 0, priority: 800, available: no)

        output:hdmi-surround71: Digital Surround 7.1 (HDMI) Output (sinks: 1, sources: 0, priority: 800, available: no)

        output:hdmi-stereo-extra1: Digital Stereo (HDMI 2) Output (sinks: 1, sources: 0, priority: 5700, available: no)

        output:hdmi-surround-extra1: Digital Surround 5.1 (HDMI 2) Output (sinks: 1, sources: 0, priority: 600, available: no)

        output:hdmi-surround71-extra1: Digital Surround 7.1 (HDMI 2) Output (sinks: 1, sources: 0, priority: 600, available: no)

        output:hdmi-stereo-extra2: Digital Stereo (HDMI 3) Output (sinks: 1, sources: 0, priority: 5700, available: no)

        output:hdmi-surround-extra2: Digital Surround 5.1 (HDMI 3) Output (sinks: 1, sources: 0, priority: 600, available: no)

        output:hdmi-surround71-extra2: Digital Surround 7.1 (HDMI 3) Output (sinks: 1, sources: 0, priority: 600, available: no)

        output:hdmi-stereo-extra3: Digital Stereo (HDMI 4) Output (sinks: 1, sources: 0, priority: 5700, available: no)

        output:hdmi-surround-extra3: Digital Surround 5.1 (HDMI 4) Output (sinks: 1, sources: 0, priority: 600, available: no)

        output:hdmi-surround71-extra3: Digital Surround 7.1 (HDMI 4) Output (sinks: 1, sources: 0, priority: 600, available: no)

        output:hdmi-stereo-extra4: Digital Stereo (HDMI 5) Output (sinks: 1, sources: 0, priority: 5700, available: no)

        output:hdmi-surround-extra4: Digital Surround 5.1 (HDMI 5) Output (sinks: 1, sources: 0, priority: 600, available: no)

        output:hdmi-surround71-extra4: Digital Surround 7.1 (HDMI 5) Output (sinks: 1, sources: 0, priority: 600, available: no)

        output:hdmi-stereo-extra5: Digital Stereo (HDMI 6) Output (sinks: 1, sources: 0, priority: 5700, available: no)

        output:hdmi-surround-extra5: Digital Surround 5.1 (HDMI 6) Output (sinks: 1, sources: 0, priority: 600, available: no)

        output:hdmi-surround71-extra5: Digital Surround 7.1 (HDMI 6) Output (sinks: 1, sources: 0, priority: 600, available: no)

        off: Off (sinks: 0, sources: 0, priority: 0, available: yes)

    Active Profile: off

    Ports:

        hdmi-output-0: HDMI / DisplayPort (priority: 5900, latency offset: 0 usec, not available)

            Properties:

                device.icon_name = "video-display"

            Part of profile(s): output:hdmi-stereo, output:hdmi-surround, output:hdmi-surround71

        hdmi-output-1: HDMI / DisplayPort 2 (priority: 5800, latency offset: 0 usec, not available)

            Properties:

                device.icon_name = "video-display"

            Part of profile(s): output:hdmi-stereo-extra1, output:hdmi-surround-extra1, output:hdmi-surround71-extra1

        hdmi-output-2: HDMI / DisplayPort 3 (priority: 5700, latency offset: 0 usec, not available)

            Properties:

                device.icon_name = "video-display"

            Part of profile(s): output:hdmi-stereo-extra2, output:hdmi-surround-extra2, output:hdmi-surround71-extra2

        hdmi-output-3: HDMI / DisplayPort 4 (priority: 5600, latency offset: 0 usec, not available)

            Properties:

                device.icon_name = "video-display"

            Part of profile(s): output:hdmi-stereo-extra3, output:hdmi-surround-extra3, output:hdmi-surround71-extra3

        hdmi-output-4: HDMI / DisplayPort 5 (priority: 5500, latency offset: 0 usec, not available)

            Properties:

                device.icon_name = "video-display"

            Part of profile(s): output:hdmi-stereo-extra4, output:hdmi-surround-extra4, output:hdmi-surround71-extra4

        hdmi-output-5: HDMI / DisplayPort 6 (priority: 5400, latency offset: 0 usec, not available)

            Properties:

                device.icon_name = "video-display"

            Part of profile(s): output:hdmi-stereo-extra5, output:hdmi-surround-extra5, output:hdmi-surround71-extra5



Card #1

    Name: alsa_card.usb-Generic_USB_Audio-00

    Driver: module-alsa-card.c

    Owner Module: 26

    Properties:

        alsa.card = "2"

        alsa.card_name = "USB Audio"

        alsa.long_card_name = "Generic USB Audio at usb-0000:00:14.0-4, high speed"

        alsa.driver_name = "snd_usb_audio"

        device.bus_path = "pci-0000:00:14.0-usb-0:4:1.0"

        sysfs.path = "/devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4:1.0/sound/card2"

        udev.id = "usb-Generic_USB_Audio-00"

        device.bus = "usb"

        device.vendor.id = "0414"

        device.vendor.name = "Giga-Byte Technology Co., Ltd"

        device.product.id = "a012"

        device.product.name = "USB Audio"

        device.serial = "Generic_USB_Audio"

        device.string = "2"

        device.description = "USB Audio"

        module-udev-detect.discovered = "1"

        device.icon_name = "audio-card-usb"

    Profiles:

        input:analog-stereo: Analog Stereo Input (sinks: 0, sources: 1, priority: 65, available: no)

        input:iec958-stereo: Digital Stereo (IEC958) Input (sinks: 0, sources: 1, priority: 32823, available: yes)

        output:analog-stereo: Analog Stereo Output (sinks: 1, sources: 0, priority: 39268, available: yes)

        output:analog-stereo+input:analog-stereo: Analog Stereo Duplex (sinks: 1, sources: 1, priority: 6565, available: yes)

        output:analog-stereo+input:iec958-stereo: Analog Stereo Output + Digital Stereo (IEC958) Input (sinks: 1, sources: 1, priority: 39323, available: yes)

        output:iec958-stereo: Digital Stereo (IEC958) Output (sinks: 1, sources: 0, priority: 38268, available: yes)

        output:iec958-stereo+input:analog-stereo: Digital Stereo (IEC958) Output + Analog Stereo Input (sinks: 1, sources: 1, priority: 5565, available: yes)

        output:iec958-stereo+input:iec958-stereo: Digital Stereo Duplex (IEC958) (sinks: 1, sources: 1, priority: 38323, available: yes)

        off: Off (sinks: 0, sources: 0, priority: 0, available: yes)

    Active Profile: output:analog-stereo+input:iec958-stereo

    Ports:

        analog-input-mic: Microphone (priority: 8700, latency offset: 0 usec, not available)

            Properties:

                device.icon_name = "audio-input-microphone"

            Part of profile(s): input:analog-stereo, output:analog-stereo+input:analog-stereo, output:iec958-stereo+input:analog-stereo

        analog-input-linein: Line In (priority: 8100, latency offset: 0 usec, not available)

            Part of profile(s): input:analog-stereo, output:analog-stereo+input:analog-stereo, output:iec958-stereo+input:analog-stereo

        iec958-stereo-input: Digital Input (S/PDIF) (priority: 0, latency offset: 0 usec)

            Part of profile(s): input:iec958-stereo, output:analog-stereo+input:iec958-stereo, output:iec958-stereo+input:iec958-stereo

        analog-output-speaker: Speakers (priority: 10000, latency offset: 0 usec, not available)

            Properties:

                device.icon_name = "audio-speakers"

            Part of profile(s): output:analog-stereo, output:analog-stereo+input:analog-stereo, output:analog-stereo+input:iec958-stereo

        analog-output-headphones: Headphones (priority: 9900, latency offset: 0 usec, available)

            Properties:

                device.icon_name = "audio-headphones"

            Part of profile(s): output:analog-stereo, output:analog-stereo+input:analog-stereo, output:analog-stereo+input:iec958-stereo

        iec958-stereo-output: Digital Output (S/PDIF) (priority: 0, latency offset: 0 usec)

            Part of profile(s): output:iec958-stereo, output:iec958-stereo+input:analog-stereo, output:iec958-stereo+input:iec958-stereo

Any help is greatly appreciated.

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answered 3 Years ago listeerrated · Accepted Answer

One of the recent kernel updates seems to have introduced an issue with some audio devices. The solution is to modify PulseAudio’s default sample rate in daemon.conf.

Here’s how:

Open Terminal (if it’s not already open)

Open PulseAudio’s configuration file:
```
sudo {editor of choice} /etc/pulse/daemon.conf
```
^{Note: Be sure to replace {editor of choice} with your editor of choice.}

Find the line that looks like this:
```
; default-sample-rate = 44100
```
Change it to this:
```
default-sample-rate = 48000
```
^{Note: The preceding ; is gone. This is important.}

Save the file and exit

Restart PulseAudio:
```
systemctl --user restart pulseaudio
```

This should resolve your audio problems ??