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Start-Up › Hardware configuration › Setting up sound cards
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Start-Up
  1. About this guide
  2. I Installation
    1. 1 Installation Quick Start
    2. 2 Boot parameters
    3. 3 Installation steps
    4. 4 Troubleshooting
  3. II Administration
    1. 5 Managing users with YaST
    2. 6 Changing language and country settings with YaST
    3. 7 Printer operation
    4. 8 Accessing file systems with FUSE
  4. III Managing and updating software
    1. 9 Installing or removing software
    2. 10 Installing add-on products
    3. 11 YaST online update
    4. 12 Upgrading the system and system changes
  5. IV The Bash shell
    1. 13 Shell basics
    2. 14 Bash and Bash scripts
  6. V Hardware configuration
    1. 15 Setting up your system keyboard layout
    2. 16 Setting up sound cards
    3. 17 Setting up a printer
    4. 18 Setting up a scanner
    5. 19 Persistent memory
  7. VI Help and troubleshooting
    1. 20 Help and documentation
    2. 21 Common problems and their solutions
  8. A GNU licenses
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Start-Up › Hardware configuration › Setting up sound cards
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Applies to openSUSE Leap 15.6

16 Setting up sound cards Edit source

YaST detects most sound cards automatically and configures them with the appropriate values. To change the default settings, or to set up a sound card that could not be configured automatically, use the YaST sound module. There, you can also set up additional sound cards or switch their order.

Warning
Warning

If you do not know all details about the setup of your sound system, do not change its settings manually. Instead, let your sound subsystem—PipeWire or PulseAudio— configure it for you. Use dedicated desktop application to switch audio devices. As a fallback, use the pavucontrol graphical application.

To start the sound module, start YaST and click Hardware › Sound. Alternatively, start the Sound Configuration dialog directly by running yast2 sound & as user root from a command line. If the sound module is not available, install it using the sudo zypper install yast2-sound command.

Procedure 16.1: Configuring sound cards

If you have added a new sound card or YaST could not automatically configure an existing sound card, follow the steps below. For configuring a new sound card, you need to know your sound card vendor and model. If in doubt, refer to your sound card documentation for the required information. For a reference list of sound cards supported by ALSA with their corresponding sound modules, see https://www.alsa-project.org/main/index.php/Matrix:Main.

During configuration, you can choose between the following setup options:

Quick automatic setup

You are not required to go through any of the further configuration steps—the sound card is configured automatically. You can set the volume or any options you want to change later.

Normal setup

Allows you to adjust the output volume and play a test sound during the configuration.

Advanced setup with possibility to change options

For experts only. Allows you to customize all parameters of the sound card.

Important
Important: Advanced configuration

Only use this option if you know exactly what you are doing. Otherwise leave the parameters untouched and use the normal or the automatic setup options.

  1. Start the YaST sound module.

  2. To configure a detected, but Not Configured sound card, select the respective entry from the list and click Edit.

    To configure a new sound card, click Add. Select your sound card vendor and model and click Next.

  3. Choose one of the setup options and click Next.

  4. If you have chosen Normal Setup, you can now Test your sound configuration and make adjustments to the volume. You should start at about ten percent volume to avoid damage to your hearing or the speakers.

  5. If all options are set according to your wishes, click Next.

    The Sound Configuration dialog shows the newly configured or modified sound card.

  6. To remove a sound card configuration that you no longer need, select the respective entry and click Delete.

  7. Click OK to save the changes and leave the YaST sound module.

Procedure 16.2: Modifying sound card configurations

  1. To change the configuration of an individual sound card (for experts only!), select the sound card entry in the Sound Configuration dialog and click Edit.

    This takes you to the Sound Card Advanced Options where you can fine-tune several parameters. For more information, click Help.

  2. To adjust the volume of an already configured sound card or to test the sound card, select the sound card entry in the Sound Configuration dialog and click Other. Select the respective menu item.

    Note
    Note: YaST mixer

    The YaST mixer settings provide only basic options. They are intended for troubleshooting (for example, if the test sound is not audible). Access the YaST mixer settings from Other › Volume. For everyday use and fine-tuning of sound options, use the mixer applet provided by your desktop or the alsasound command line tool.

  3. For playback of MIDI files, select Other › Start Sequencer.

  4. When a supported sound card is detected, you can install SoundFonts for playback of MIDI files:

    1. Insert the original driver CD-ROM into your CD or DVD drive.

    2. Select Other › Install SoundFonts to copy SF2 SoundFonts™ to your hard disk. The SoundFonts are saved in the directory /usr/share/sfbank/creative/.

  5. If you have configured more than one sound card in your system you can adjust the order of your sound cards. To set a sound card as primary device, select the sound card in the Sound Configuration and click Other › Set as the Primary Card. The sound device with index 0 is the default device and thus used by the system and the applications.

  6. By default, openSUSE Leap uses the PulseAudio sound system. This is an abstraction layer that helps to mix multiple audio streams, bypassing any restrictions the hardware may have. To enable or disable the PulseAudio sound system, click Other › PulseAudio Configuration. If enabled, PulseAudio daemon is used to play sounds. Disable PulseAudio Support to use something else system-wide.

The volume and configuration of all sound cards are saved when you click OK and leave the YaST sound module. The mixer settings are saved to the file /etc/asound.state. The ALSA configuration data is appended to the end of the file /etc/modprobe.d/sound and written to /etc/sysconfig/sound.

→Chapter 17 Setting up a printer←Chapter 15 Setting up your system keyboard layout
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