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Questions tagged [alsa]

ALSA (Advanced Linux Sound Architecture ) is an API of audio functions for the linux platform.

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how to get all alsa devices (aplay -L) in openSUSE TW?

So I've been using ubuntu but want to move to TW but the lack of support for "HiFi" USB DACs is stopping me right now. To explain better, when I ran "aplay -L" in Ubuntu I get this ...
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Muted sound after Linux boot

I am faced with a sound output problem. After I installed Linux (in my case, Kali or Mint), sound is muted. When I run alsamixer, it shows 0% every time system is booted. Could you help me to fix the ...
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Difference between amidi -l and aconnect -l

I would like to use fluidsynth as a player for my Java application. However, fluidsynth creates a port visible via aconnect -l but invisible via amidi -l. Java MIDI, in turn, sees only the ports ...
scriptfoo's user avatar
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ALSA: How to duplicate audio so it comes out of two devices at once

I have two devices playback_bt (Connects to BT chip) and aduplex_rtp (which delivers audio to a device/speaker over rtp). I can use aplay to play sound to them individually. I want to be able to write ...
Cameron McFie's user avatar
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Route pulseaudio to more than 2 devices

I have a gstreamer pipeline that tee's audio into multiple sinks (devices). I've a bunch of sinks I want to route the audio to but it doesn't seem to work. When I tee the pipeline to max 2 devices, ...
Zephyr's user avatar
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During long online video presentation when I was the only one speaking the headphones did turn off

I have really odd issue, but I lack knowledge of the possible root cause. So I don't even know how to test what is the reason behind this. This year I started teaching on video meetings. Those type of ...
jcubic's user avatar
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Pulseaudio combined sinks resulting in latency & poor audio quality

I want to be able to hear sound from 3 different devices. I have the following cards. pactl list cards Card #0 Name: alsa_card.pci-0000_00_0e.0 Driver: module-alsa-card.c Owner Module: 1 ...
Zephyr's user avatar
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Configuring asound.conf for HDMI 7.1 Surround Sound with Channel Remapping

What is a correct /etc/asound.conf for an hdmi audio output that needs to 1) output as 7.1 surround sound and 2) allows remapping the output channels? The goal is to get ALSA to output some 8 channel ...
brainbag's user avatar
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What language are the alsa configuration files (such as ~/.asoundrc) written in?

Here's a brief snippet of an alsa config file (/usr/share/alsa/pcm/default.conf): pcm.!default { @args [ CARD ] @args.CARD { type string default { ...
jaimet's user avatar
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Alsa duplicate speaker sound to HDMI

I'm seeking for help or advice to setup my audio on my linux machine. I would like to duplicate the audio coming out from the speaker to hdmi output. Please see the settings I have: aplay -l **** List ...
kj192's user avatar
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How to set LADSPA plugin in asound.conf in Linux?

I am working on embedded Linux system (kernel-5.10), and the system needs to setup ladspa plugin to deal with audio. My setting of asound.conf is as follows, which defines a PCM device named ...
wangt13's user avatar
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Remove not used sinks in ALSA

Just installed Debian 12 from scratch and Kodi, only using ALSA for sound. I have two sound devices, the HDMI to my sound receiver and an external DAC. Every thing runs good with great sound quality, ...
Klas's user avatar
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What is the difference & relation between audio sink and audio card, device?

What is the difference & relation between audio sink and audio card/device? Can a sink sink into more than 1 device of the same audio card? aka, sink-device ca be a one-to-many relation? PS: I'm ...
Adrian's user avatar
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alsa: decrease volume for specific application

When I play audio or video in Firefox, the sound is always louder than when running my other applications (audio payer, video player, sound notifications and alerts) This is particularly noticeable on ...
Martin Vegter's user avatar
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How to deal with ALSA errors

Using some very simple example code to do speech-to-text in Python it works, but spews out a stream of the following errors and warnings: Cannot connect to server socket err = No such file or ...
AlphaCentauri's user avatar
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alsamixer / amixer supported usb audio class 2 controls

I am currently developing a usb soundcard that is usb audio class 2 compliant. In my current setup I have audio and mute controls for several channels working in alsamixer. The USB audio class 2 spec ...
Jelle Jan's user avatar
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ALSA: playing WAV files to specific audio devices gives playback rate errors

I have several audio sources in my Ubuntu 22.04 setup, including headphones, HDMI monitors, and a USB audio jack (connected to oscilloscope). I am trying to play a .WAV file out of the USB audio jack ...
Chris Fernandez's user avatar
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How to get ALSA to trigger events for USB audio volume changes on the hardware

I've been trying to figure this out for a while, and I've even posted a few questions from different angles on it, but I have yet to get a response. So, if my question is nonsense, please let me know....
knottied's user avatar
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Why is ALSA often not reading the audio card state

I'm having a terrible time with ALSA on a PI5. It will play and record sound, but the control interface seems to only work sometimes. I cannot find a cause for this. I could use some help ...
knottied's user avatar
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Parallel / multiple audio output with alsa and USB audio mixer

I have a new docking station for my laptop and have a hard time configuring audio/alsa. After checking cat /proc/asound/cards 0 [PCH ]: HDA-Intel - HDA Intel PCH HDA ...
grrr's user avatar
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Alsa: playing playing variable bitrate mp3file

While playing an mp3 file using ALSA , mp3 file is decoded using libmad which provides the sample rate and bit depth for each mp3 frame via callback mad_header . While setting ALSA parameters using ...
Amir ElAttar's user avatar
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How to change the priority value for a profile in Pulseaudio sound cards

This is the result I get when running pactl list cards on my Debian system. Card #0 Name: alsa_card.pci-0000_00_0e.0 Driver: module-alsa-card.c Owner Module: 1 Properties: alsa....
Zephyr's user avatar
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Combo jack's microphone detected but not working

I encounter an issue. I have a jack stereo headset/microphone plugged into a 4-pin 3.5mm (TRRS) jack on my laptop. The headphone stereo is working, but the headphone microphone is not working. Laptop ...
AlexMrsh's user avatar
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No sound on fresh install of Debian 12

I have no sound on a fresh debian 12 install on a mini-pc. The PC is connected via HDMI to a TV. I've tried testing with pipewire, with alsa-only, with pipewire-pulse. I also tried testing plugging in ...
ealfonso's user avatar
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Make USB audio device default

Running Debian : # uname --kernel-name --kernel-release --machine Linux 6.5.11-7-pve x86_64 # cat /proc/asound/cards 0 [PCH ]: HDA-Intel - HDA Intel PCH HDA Intel PCH at ...
bilogic's user avatar
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How do I stop PulseAudio from creating so many [Peak Detect] channels in pipewire/qpwgraph? (Linux Mint)

So, for some reason there are these channels called "PulseAudio Volume Control [Peak Detect]" and they pop up multiple times when opening apps and anything else that uses audio output. It is ...
linuxlife's user avatar
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1 answer
427 views

How to select card in amixer by name

I have a razer headset which has a usb sound card that can be used with it (BlacShark V2). From some point, when I boot up the system (The headset is usually connected to my system and I don't unplug ...
III_phr's user avatar
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How to route sgtl5000 audio within the chip?

I have an embedded device with an sgtl5000 audio codec, linked to an iMX8 CPU via SPI. According to the datasheet, there is a direct route from LINE_IN to HP_OUT, which avoids sound travelling through ...
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How to set up ices2 config file for 8-channel Zoom R16

I'm new to ices2 and icecast2, but did manage to set up a stream whereby I can hear myself in my earbuds. So, some basic success with the system. Now, the real goal: We'd like to stream 8 different ...
kr37's user avatar
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How to set HDMI card - default audio card

Hello everyone I'm Use laptop + external monitors, and i need use monitor speaker and i can't see HDMI card in alsamixer, when reviewing command [ aplay -l ] result = [void@base ~]$ aplay -l **** List ...
linux-user's user avatar
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HP ProBook 450 G10 microphone not working

I have an "HP ProBook 450 15.6 inch G10 Notebook PC" running arch (using pipewire) and the microphone does not work. I tried using pavuctl and alsamixer to check if something was muted but ...
A_helpless_student's user avatar
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linux record audio (arecord or similair) and seperate left/right channel

I want to record (line in) from an audio device and seperate the left and right channel each to a different process. or record them seperately of course. what I want is something like that (play ...
Paul Neuwirth's user avatar
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Share audio output device between two processes

Is it possible for 2 processes, each trying to send audio to the single output device, to share (mix) the audio streams? I'm running AlmaLinux 9 and have paired back to basic ALSA only. But if needed ...
TSG's user avatar
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mic boost for kazer kiyo?

I'm setting a new webcam, a razer kiyo, and I'm having some trouble with the microphone. It works, but it's really quiet. The "mic boost" option in alsamixer would seem to be a good choice, ...
jyoung's user avatar
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soundblaster creative x ae 5: dualboot / card in bad state after booting debian

i have a soundblaster creative x ae 5 soundcard and i really like to play with that in windows. but most of the time i use my workstation with debian or fedora. when i boot fedora and then windows, i ...
J. Doe's user avatar
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ALSA - USB Interface - How to choose only one channel

I am currently trying to record audio with ALSA and a USB interface. I am using a focusrite scarlett 4i4 3rd gen and a raspberry pi 4b with linux debian bookwarm installed. My question is how do I ...
MaDr's user avatar
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265 views

How to write raw MIDI bytes to Linux Midi Through client?

The command line utility amidi may be used to send MIDI hexadecimal bytes to any alsa rawmidi port identified in amidi -l. I have a piece of music software (Organteq) which monitors Midi Through for ...
Cheetaiean's user avatar
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Audio on Arch linux sometimes don't work after reboot

Sometimes when I restart my system the audio isn't working. When I run amixer scontrols I get this result: Simple mixer control 'PCM',0 Simple mixer control 'IEC958',0 Simple mixer control 'IEC958',1 ...
wujido's user avatar
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3 votes
1 answer
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How to check & adjust sound volume from the command line with pipewire-pulse?

Of course I found this closely related question. However, nothing there works with this modern Fedora installation. uname -a says it's "Linux 6.4.15-200.fc38.x86_64". If it matters, here are ...
Richard T's user avatar
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Can't Get Microphone on Arch Linux to Work Using Pipewire(alsamixer shows that everything is on and good)

For the past 5-6 hours I've been trying to get my microphone to work but I genuinely can't figure it out. Simply installed pipewire, pipewire-alsa, wireplumber, alsa-utils and made sure there were no ...
Ozone's user avatar
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Trouble using jackd with ALSA and an "AudioInjector Octo"

I am attempting to run an AudioInjector Octo (a simple 8-channel audio hardware card) on a Raspberry Pi 4, running the Raspberry Lite OS. My understanding is that ALSA manages AudioInjector - but that ...
radonador's user avatar
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254 views

Simultaneous input and output on pipewire for USB-C microphone

I have an Elgato Wave 3, and I am trying to use it on Ubuntu 22.04 with PipeWire (had to replace PulseAudio because my Sony WH-1000XM5 was not able to give me high-quality audio without replacing it ...
matiaslauriti's user avatar
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Facing audio issues in pop os linux

i am facing audio issue in pop os linux that when i plug in earphones, only i am able to hear audio with noise in between some of the times and earphones mic does not work at all. But it is working ...
Bappa's user avatar
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Question about streaming audio to mobile device (PulseAudio / AudioRelay )

I can stream all audio from my pc to my android with SoundWire and it work fine, but the latency is pretty bad so i though audio relay might be a better option but i cant seem to get it working on my ...
Hoax OfLife's user avatar
1 vote
1 answer
108 views

Audio in the entire system freezes if one application is paused on a breakpoint

I'm making a game using SDL2. When I'm debugging it and pause on a breakpoint, the audio in all other applications (e.g. Firefox) freezes, as if infinitely replaying the last ~0.1 seconds of audio. ...
HolyBlackCat's user avatar
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100 views

How to capture sound from default built in speaker and microphone together using ALSA

I wrote my C++ application, it opens an audio capture device (built in microphone on laptop) and records audio from it using ALSA library. But I also want to mix it with audio from the speaker (if ...
rosewater's user avatar
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Stopping all sounds before freezing, restarting after wake up

In the last few days I took the habit to leave alsaplayer looping. On freezing, it stopped; on waking up, it resumed... for a few times. The last time it didn't resume. dmesg was showing ...
Ale's user avatar
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how to run pulseaudio systemwide as root on debian?

I added these lines into /etc/systemd/system/pulseaudio.service file: [Unit] Description=PulseAudio system server [Service] Type=notify ExecStart=pulseaudio --daemonize=no --system --realtime --log-...
John Gragor's user avatar
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266 views

How to bind the DAS keyboard volume knob in dwm / void linux?

My setup: Void Linux, xorg, dwm + dmenu + st, DAS keyboard. I can probably figure out how to bind some "normal" keys for volume control, but I really like this big round knob on my keyboard :...
badbishop's user avatar
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How to get Intel Atom Z36xxx/Z37xxx HD Audio working in Alpine?

I've installed Alpine 3.18 on a PC with a Gigabyte J1900N-D2H motherboard. I'm running XFCE, but getting no sound. There is no volume control icon in the tray area, and no sound options in the menu or ...
Sod Almighty's user avatar

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