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android - About ALSA driver: How to handle Audio …
https://stackoverflow.com/questions/17194777/about-alsa-driver-how-to-handle-audio-devices-correctly
On those platforms, the ALSA card/device number of the USB audio accessory would be picked up by the WiredAccessoryManager (or the UsbDeviceManager in the case of host-mode accessories) (this is in the Java layers of Android). So the information is available if you want to avoid having the audio HAL hardcoding the card/device numbers for USB audio …
audio - Configure ALSA Sound card - Raspberry Pi Stack ...
https://raspberrypi.stackexchange.com/questions/70922/configure-alsa-sound-card
Unload the audio drivers (rmmod or modprobe -r) Load the audio drivers (modprobe) Start lxpanel; The reason why you have to disable or stop/start lxpanel is that the volume plugin hangs the system when you try to unload audio modules. In this example, I will remove the volume plugin from lxpanel and pulse audio. Uninstall pulseaudio
Audio Devices and Configuration – Arun Raghavan
https://arunraghavan.net/2016/01/audio-devices-and-configuration/
Broadly, the task involves looking at how the devices is set up on Android, and then replicating that process using the standard ALSA library, which is what PulseAudio uses (this works because both the Android and generic Linux userspace talk to the same ALSA-based kernel audio drivers). Android’s configuration. First, you look at the Android audio HAL code for the …
How to configure alsa devices for USB Audio interface ...
https://www.linux.org/threads/how-to-configure-alsa-devices-for-usb-audio-interface.17908/
I have an ESI NeOn Audio/Midi interface with 4 input and 2 output channels. The device is old but audio out and midi seems to work with alsa/jack. However subdevices are not recognized and so I cannot use eg. Mic in to capture audio. Is there a way to manually configure alsa to see the card's...
Configuring Linux sound services with ALSA | TechRepublic
https://www.techrepublic.com/article/configuring-linux-sound-services-with-alsa/
Configuring Linux sound services with ALSA . Getting sound configured in Linux can be a nightmare. Rescue is on the way in the form of …
[SOLVED] ALSA sound not working / Newbie Corner / Arch ...
https://bbs.archlinux.org/viewtopic.php?id=202398
Re: [SOLVED] ALSA sound not working. run alsamixer , it will open showing the setup for the soundcard alsa sees as default. Verify it's the sound card you want and check all channels . Disliking systemd intensely, but not satisfied with alternatives so …
Advanced Linux Sound Architecture - Driver Configuration ...
https://www.kernel.org/doc/html/latest/sound/alsa-configuration.html
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.
One ALSA config to rule them all
https://ristovski.github.io/posts/master-alsa-config/
The config defines 2 slaves, a - the audio card and b - the Loopback device. Then it maps the two (stereo) channels of the audio card to the loopback device, and lastly, exposes a loop capture device which allows you to record system sounds. Example use case: You want to be able to record your desktop but also whatever audio is playing.
USB Sound Device -- how to load ALSA? [solved] - antiX ...
https://antixlinux.com/forum-archive/usb-sound-device-how-to-load-alsa-solved-t4723.html
sudo modprobe snd-pcm-oss. This should also load the snd-mixer-oss module. It should also create the device nodes like /dev/mixer, /dev/mixer1 and /dev/dsp, /dev/audio, and /dev/adsp (these are the ones created on my system running 3.7.10antix.4 kernel). That could be enough to fix the problem.
Sound configuration on Raspberry Pi with ALSA
http://blog.scphillips.com/posts/2013/01/sound-configuration-on-raspberry-pi-with-alsa/
Once you have the sound configuration as you want it you can store it there using the alsactl command which you have to run with root permissions as it changes a protected file. Let’s set the volume to max, unmute it and store it: $ amixer cset numid=3 100 % numid=3,iface=MIXER,name='Master Playback Volume' ; type=INTEGER,access=rw----- …
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