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How do I change my ALSA default sound card?
In alsamixer hit the F6 function key, then you’ll see the devices listed in a little box, with their numbers in front of them. Choose the number of the sound device that you want to use. Then using your text editor of choice, put the following into /etc/asound. conf (You will most likely have to create /etc/asound.
How do I choose my Alsamixer sound card?
Alsamixer
- Open a terminal. (The quickest way is the Ctrl-Alt-T shortcut.)
- Enter “alsamixer” and press the Enter key.
- You will now see a user interface. In this user interface, you can do the following: Select your correct sound card using F6 and select F5 to see recording controls as well.
How do I set a default sound card?
Set the default audio device with the classic Sound applet
- Right-click the sound icon at the end of the taskbar.
- Select Sounds from the context menu.
- This will open the Sounds tab of the classic applet.
- Select the desired device in the list and click on the Set Default button.
How to select a default sound card with ALSA?
I wish to select a default sound card, or disable all others, in order to have the correct one selected after suspend. This is a way set default sound output card dynamically using PulseAudio (not ALSA). It is possible even to set ports too.
How to emulate OSS sound system with ALSA?
-with-oss=yes/no: Select yes for ALSA to emulate the OSS sound system. -with-cards: Provides a comma-separated list of the card or cards ALSA will provide support for. The option “ALL” will provide support for all ALSA-supported sound cards. The option “dummy” may be used if no sound card is installed, but sound support is required.
How to enable ALSA support in Linux kernel?
To enable ALSA support you need at least to build the kernel with primary sound card support ( CONFIG_SOUND ). Since ALSA can emulate OSS, you don’t have to choose any of the OSS modules. Enable “OSS API emulation” ( CONFIG_SND_OSSEMUL) and both OSS mixer and PCM supports if you want to run OSS applications with ALSA.
How to update ALSA config on Raspberry Pi?
All we have to do is tell Raspbian to look at “card #1” for the default audio. Card #0 is the built in audio, so this is fairly straightforward. Tun sudo nano /usr/share/alsa/alsa.conf and look for the following two lines: