Problems with the output of audio

Troubleshooting
1

Hello,I have created a new dietpi system.

An RPi 4B 8Gb was used for the system, with dietpi running on an SSD. Furthermore I installed a RTC, a “Geekworm” part (X825-C8), the interface X825 V2.0 and the power management board X735 V3.0. It works fine, I installed Xfce and a 10.1 inch monitor.

Unfortunately I can’t get the audio output from the RPi to work.

The audio output is to be done via the audio output of the RPi is connected to the monitor.
When calling the mixer I get the following error message:
Execution of the command >>pavucontrol << failed.

Failed to execute child process “pavucontrol” (file or directory not found).

I claim to have set up everything correctly otherwise.

A post-installation of pavucontrol with sudo apt install pavucontrol has also brought nothing, except that no more error message comes, but a mask from the Mivxer appears. It says, “Connecting to PulseAudio. Please wait…”.

But then nothing happens anymore.

Another post-installation of pulseaudio did not help either.

Any tip is welcome.

Best regards,

Carsten

Required Information

  • DietPi version
    G_DIETPI_VERSION_CORE=8
    G_DIETPI_VERSION_SUB=21
    G_DIETPI_VERSION_RC=1
    G_GITBRANCH=‘master’
    G_GITOWNER=‘MichaIng’

  • Distro version | echo $G_DISTRO_NAME $G_RASPBIAN
    bookworm 0

  • Kernel version | uname -a
    Linux desktop-pi 6.1.21-v8+ #1642 SMP PREEMPT Mon Apr 3 17:24:16 BST 2023 aarch64 GNU/Linux

  • Architecture | dpkg --print-architecture
    arm64

  • SBC model | echo $G_HW_MODEL_NAME or (EG: RPi3)
    RPi 4 Model B (aarch64)

  • Power supply used
    5V 3A Power

  • SD card used
    no SD card, Msata SSD

Additional Information (if applicable)

  • Software title
    Xfce

  • Was the software title installed freshly or updated/migrated?
    fresh install dietpi

  • Bug report ID
    1c4afeec-4938-48d0-9042-eec5ee4ff131

2

So you want to output audio via HDMI?
I think by default all audio output is disbled. Did you already enable it? If not:

When enabling in dietpi-config → Audio options, some packages are installed, like ALSA etc. After the installation you can choose the soundcard which should be used, if you want audio via HDMI it is the 3rd entry rpi-bcm2835-hdmi.

3

No, I don’t want to use HDMI audio, I don’t think the monitor can. I want to use 3.5mm audio instead, I have that selected anyway, but it doesn’t work.

The problem was solved in an unconventional way by using a USB DAC.

4

To fix the audio issues and the failure to execute pavucontrol, follow these steps:

  1. Reinstall pavucontrol:

bash

Copy code

sudo apt-get update
sudo apt-get install --reinstall pavucontrol
  1. Reinstall PulseAudio and ALSA utilities:

bash

Copy code

sudo apt-get install --reinstall pulseaudio alsa-utils
  1. Check PulseAudio status and restart it:

bash

Copy code

pulseaudio --check
pulseaudio --start
  1. Ensure the default audio device is set correctly:Open pavucontrol:

bash

Copy code

pavucontrol

In the Playback tab, ensure the correct output device is selected. In the Output Devices tab, verify that the correct device is not muted and the volume is up.
5. Install and use alsamixer to check hardware levels:

bash

Copy code

sudo apt-get install alsa-utils
alsamixer

Use the arrow keys to navigate and adjust volumes. Make sure no channels are muted (indicated by “MM” at the bottom of the channel).
6. Restart your system:

bash

Copy code

sudo reboot

If you still have issues with audio not working in applications other than Chrome, please provide the output of the following command:

bash

Copy code

aplay -l

This will list the available audio devices on your system. Additionally, ensure other applications are configured to use the correct audio output device.

If specific error messages appear during these steps, please provide them for further troubleshooting.

Also make sure that you selected correct output device by default e.g your headphones

5

Thanks for this Info!