ALSA - Debian Wiki. Translation(s): English - Fran. The project was started because the OSS architecture is technically weak in some respects, and the free variant of OSS lacks some drivers available only in the commercial variant. ALSA provides efficient support for many applications, is fully modularized, is SMP and thread- safe. Applications written for OSS can be made to work with ALSA by means of either userspace emulation (using the aoss program loader) or kernelspace emulation (the snd- *- oss drivers). ALSA driver names always start with snd- . Packages. Loading modulesalsa- base packages are designed to . Configure alsa by running the command 'alsactl init' as root. Just ignore the error message like 'Unknown hardware' (this issue said to be fixed in alsa- utils . For more details please see this thread. High Definition Audio Codecs: Audio drivers available for download from the Realtek website are general drivers for our audio ICs. HD Audio Codec Driver. How to install Realtek Drivers High Definition Audio Device. Windows and Linux Tutorials from. Realtek HD Audio Install You can also try to detect and configure your sound card manually. If you have a PCI soundcard, do a 'lspci - v' to list all available pci devices. The list will most probably include a reference to a multimedia audio device: that is your Sound. Card. For a USB card, use lsusb. You could now have a look at the ALSA's soundcard- matrix to find out which driver name can be used for the chipset you found. ALSA and OSSIf your system is already configured to load OSS drivers for your sound card then look at your current module loader configuration files. There will be entries for the OSS modules which will give you clues about which chipsets your sound cards have. If you don't unload all OSS modules then ALSA modules will not be able to initialise (or work properly) because the OSS driver will be futzing with the sound hardware that the ALSA driver needs to control. If you see a message about . Test. Test the driver, using aplay, mplay or xmms for example. All I could find is Realtek Soundcard. Installing Realtek ALC892 Audio Driver on Linux. Cinnamon install; downloaded the latest Realtek driver and. The Install Realtek HD Audio Driver Failure. Disable Microsoft UAA Bus Driver for High Definition Audio. How to Configure the UFW Firewall in Linux. Sounds like a botched driver install. To test midi, you can use aplaymidi. Sharing a card among multiple processes. It is often desirable to be able to share a sound card among several processes running at the same time. This requires the ability to mix the sound outputs of those processes into a single stream. If your cheap sound card doesn't support hardware mixing try the dmix plugin. This has been set up automatically since libasound. An example . asoundrc for modern laptops that have one HDMI and a simple soundcard in the wrong order would be (use aplay - l first to get proper names for your cards): defaults. Generic. Download the Realtek HD Audio Codec Driver. Follow the link on http: //www. Open the downloaded file, extract it to a location (for example, your home directory), open a root terminal, and compile it as usual. Make sure you already have the necessary build environment (gcc, make, build- essential, linux- headers for your kernel, etc.) set up before running the install script above. If you encounter errors, read the INSTALL file and edit the appropriate configuration files accordingly. Troubleshooting. To see what indexes have been assigned to cards, run: cat /proc/asound/cards. The first card that ALSA finds is usually given index 0 and thus is usually the 'default' sound card. If you are unlucky then the first sound card found is one that it not suitable for playing system sounds. Force the cards to load in a different order. I chose this route, and added the following to my /etc/modprobe. This forces my Trident card to be the default (card 0) and my USB microphone to be card 1. Change the default card by editing /etc/asound. More info on this Alsa Multiple Cards. Does rebooting bypass BIOS and GRUB menu? Checklistadd yourself to the 'audio' group (log out and log in again) use alsamixer and unmute channels and raise levels (also try *muting* some channels like s/pdif & toggle jack sense) arts or esound stopped? Disable kexec- tools if working sound is disabled after rebooting/restarting the OS. Version. Look at /proc/asound/version. Alsactl : Alsa. Control Alsamixer : To adjust levels of sound, it uses a Ncurses interface. Aplay : To play a . Arecord : To record a . Aconnect : For connections on ALSA sequencer. More information. For more information, read the README. Debian files in the alsa- base and alsa- source packages or check out http: //www. New, just in: Older. Category. Hardware.
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