Questions tagged [alsa]

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

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Changing the device description of a card

I added a snd_aloop device to my setup and PulseAudio automatically picked it up and lists it as "Audio interne" (see eg. pavucontrol's Configuration tab), the same as my regular sound card, which ...
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1answer
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Lineout shows plugged but no sound in Ununtu 18.04

If I connect my logitech speaker to rear jack of my desktop, it does not make sound but detected as a lineout (Built in). However, if I connect through the front jack, it makes sound and detected as ...
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Alsa: set default PCM

My Lenovo x1 Gen4 has an Intel "Sunrise Point-LP HD Audio" and I'm trying to record audio through the onboard mic. In Alsa "List all PCMs" (arecord -L) show many different PCM's (for my one sound ...
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Speakers connected via 3,5mm aux emit loud static for some time after boot

I have a Dell OptiPlex 3060 Micro running KDE neon 5.18 and use the Anker SoundCore Mini speaker with a 3,5 mm aux cable. After boot, the speakers emit a very loud static for about 20 minutes (± 10 ...
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Simultaneous audio output for bluetooth device and audio jack using blue alsa

I would like to have a simultaneous audio output to a connected bluetooth speaker and the normal audio jack at the same time. The audio output via the bluetooth works already, but I can't get it ...
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2answers
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How viable is it to ditch pulseaudio?

Recently, I have been experiencing some audio problems with the pulseaudio server that seem very difficult to resolve, for example see this question. I am increasingly starting to dislike the way it ...
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Audio crackling on a vanilla AWS Ubuntu Server

Problem When I set up a brand new AWS Ubuntu 18.04 server (no sound card), it makes crackling noises in the audio. I'm using arecord to get audio from it. When I play more than one stream of audio, I ...
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Pulseaudio “Headphones” plays music through speakers not actual headphones

I'm running GNU/Linux Manjaro. In control panel settings (pulseaudio) there are 2 devices listed: Headphones and Line Out. Both redirect music to speakers plugged in rear panel of my PC. By default, ...
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External microphone does not work on linux debian 9

I am not able to use an external microphone in debian 9, I have installed the main package alsa and all its derivatives, my audio driver is Realtek ALC269, I installed the pulseaudio program, but it ...
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Turn off jack audio controls using ALSA configuration file

My audio player recently went nuts and randomly switches audio tracks during playback when I'm using it in motion. After a brief investigation I have discovered that the headphone jack is a cause of ...
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Arch Linux - No Audio anymore ( Alsamixer / Pulsaudio )

I am not 100% if it is because of updating with pacman -Syu or simply because something else happened but since today my audio output is not working. I am dual booting with windows and with windows ...
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How to have lower sound latency without Jack server?

I have a Manjaro install on my desktop pc. It is connected to a digital piano. Pianoteq 6 is installed on my PC, and it plays with a very high latency (about 0.5 s). I tried installing Jack server to ...
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Is it possible to dyamically take into accounr changes in the .asoundrc file?

I'd like two switch between two different behavior for the command aplay : - write to a fifo file (which is then read by snapserver ; a multiroom tool) - directly play music only on the local ...
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Adding LADSPA plugins to ALSA capture

I'm creating a radio streamer, in which I take an ALSA microphone input and route it to some streaming software. My streaming program currently just takes input from hw:0,0, which works fine; but I ...
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1answer
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alsa 16 channel audio playback using dshare plugin is getting stuck at poll function on /dev/snd/timer

Problem: Send 16 channel audio TDM stream over SAI(5) datalines using freescale IMX8m. There's no codec termination on the HW. only the data is framed in a TDM fromat and sent over the I2S Datalines. ...
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1answer
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ffmpeg record video tape with audio

I'm trying to record video tapes to digital, using this command: ffmpeg -f v4l2 -video_size 720x480 -i /dev/video2 -channel_layout stereo -f alsa -i hw:1,0 -c:v libx264 -pix_fmt yuv420p -b:v 2M -crf ...
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How to fix minijack CTIA OMTP detection?

I have Dell 7540 with Realtek ALC289 sound card and running Manjaro. I'm struggling with my minijack headset with CTIA TRRS plug. Laptop usually assumes that it's OMTP rendering it useless. Sometimes ...
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Can't connect to jack audio server when running Timidity

In order to run Guitar Pro 5.2 emulated on wine on Linux I need to run timidity so I can get the audio from the program. I followed instructions from this tutorial but when I run timidity it fails ...
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Unable to enumerate USB device (USB microphone)

I have just installed a fresh Linux Mint Cinnamon (19.3 Tricia) system. I have updated both the system and all drivers. The problem is that my Rode-NT USB microphone (uses an A/D converter 16bit 48kHz)...
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1answer
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How to prevent Pulseaudio failover on sink error

If I play music through a USB sound card in ALSA, and accidentally unplug the USB cable, then it stops playing automatically, making it easy to detect the problem and fix it: $ mpv --audio-device=...
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bluealsa: Couldn't acquire D-Bus name: org.bluealsa

So as reading the documentation of bluealsa: It will register org.bluealsa service in the D-Bus system bus, which can be used for accessing configured audio devices. But when I run $ bluealsa it ...
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Alsa controls are mixed up

I have two sound cards: default and USB: **** List of PLAYBACK Hardware Devices **** card 0: ALSA [bcm2835 ALSA], device 0: bcm2835 ALSA [bcm2835 ALSA] Subdevices: 7/7 Subdevice #0: subdevice #0 ...
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294 views

Alsa doesn't recognize soundcards but kernel does

I've an issue with alsa which seems not to recognize my soundcards. Before I didn't have that issue... !!################################ !!ALSA Information Script v 0.4.64 !!#############...
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681 views

Problem with audio (stuttering/choppy) in every single distribution I've used

VIDEO = https://www.youtube.com/watch?v=Hy-yntM2qvk&feature=youtu.be Basically the audio (not matter what application) flickers and stutters. I have a video with the KDE desktop (because it has ...
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Cross compiling setup for arm-linux-gnueabihf-gcc

In the ALSA directory that I have cloned, I have executing the following instructions. After making changes to the /alsa-utils/aplay folder, I try and make the directory again to the get new ...
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Full duplex PCM bridge

I'm working on an embedded device, that runs Linux 4.14.79, that has 2 hardware PCM, one connected to a bluetooth chip and one to a GSM phone. My goal is to bridge those streams (bt-in -> gsm-out ...
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1answer
237 views

Alsa and PulseAudio (csound): Connection Refused

I've come across a problem that has me completely stumped. First; some system info Linux quasar-nixos-tr 4.19.87 #1-NixOS SMP Sun Dec 1 08:17:47 UTC 2019 x86_64 GNU/Linux Now; I'm playing with a ...
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116 views

Issues with intel sound card on HP Omen

I recently installed Archlinux, everything works fine, but the sound card is not recognized by alsamixer or KDE. I followed several solutions on the internet but I do not know what else to do to make ...
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50 views

Pulseaudio profile gone/wrong after update

I am having a weird problem right now. After an unattended system update on my desktop PC, Pulseaudio suddenly decided that it's not okay to have BOTH a working speaker AND a working microphone. Both ...
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47 views

PulseAudio: Mic input and application audio are getting mixed together

To be brief, I did a fresh install of Debian Buster today. What's odd, when I use software that may be recording, such as Discord, I can see that all of the audio on my desktop gets mixed in with my ...
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Alsa audio problem on Mint 19.10

I have an issue with audio on my laptop,[ Distorced / none ] I changed many distributions, reinstalled any fucking package on the distros but the problem remains. Now I have Mint 19.10 (MATE) I don't ...
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Acer Chromebook Spin 13 / AKALI360 - supposed sound fix not working in Void Linux (“No backend DAIs found”)

I have the machine stated in the title with Coreboot UEFI, on which I have installed Void Linux. Unfortunately, the sound is not working, so I tried the fix described here: https://github.com/...
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1answer
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aplay and paplay never complete

problem: Running either of the main Linux sound testing command line applications aplay or paplay results in no sound, but also no errors and the programs do not exit. question: Why are they not ...
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ALSA Loopback not recording system audio on Xubuntu 18.04 in ffmpeg command

I have an ffmpeg script to do my screencasts. I have Debian 9 at the office and Xubuntu 18.04 at home. On those two operating systems, the following works to record system audio and from my microphone....
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1answer
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How does ALSA handle errors in isochronous USB data

USB transfers fixed data rate digital audio data using its isochronous mode. To ensure the fixed data rate, this mode has no provision for retries of faulty transmissions. How does ALSA handle ...
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1answer
133 views

How to fire a udev rule after the kernel has registered a driver?

I have a MIDI keyboard "Impulse", and a raspi3. I want to connect the keyboard to the raspi, and having sounds without touching anything. So I use fluidsynth with jack as audio driver. Fluidsynth is ...
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4answers
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Audio not working on Gigabyte x570 Aorus Master with ALC1220 and ESS SABRE 9118 DAC

I'm not sure what is causing this problem, but as I solved it (or rather worked around it) I decided to share my discoveries, to spare your time and for the future reference. So the story goes like ...
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How do I solve these audio issues?

I finally took the plunge and installed the latest Pop_OS on my home computer. Windows is gone. However, I am having a few bad issues with the sound configuration. My computer is set up for recording ...
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Alsa snd-aloop: add more loopback subdevices?

I'm currently working on a project on which I need to create multiple audio streams using snd-aloop. The issue is that we reach the max number of substreams easily. Is it possible to have more than 8 ...
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2answers
933 views

alsa: command not found on Debian Buster

I'm trying to make sound work on Debian Buster with Cinnamon desktop. PC: Acer TravelMate 8371 LXTTD0Z230927029412300 BIOS: V1.28 08/11/2010 CPU: Pentium M 1400 MHz ...
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291 views

Sound does not work on Linux Mint 19.2 newly installed

I tried force-reload pulseaudio, did a system reboot.....all to no avail. But then I tried the following: phonon@DALEK:~$ apt-get install alsa-utils -y E: Could not open lock file /var/lib/dpkg/lock-...
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1answer
118 views

Alsa can't pipe arecord to aplay, ressource busy EDIROL UA-101

I am trying to get both playback and capture stream on the same usb sound card. As of now, my asoundrc file look like this: pcm.!default { type plug slave { pcm ua101 } } pcm....
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1answer
56 views

Get audio samples sent to a sound card

I need to get the actual audio samples sent to a specific sound card. Currently I'm using a Debian distro with Alsa. My searches failed, perhaps due to wrong keywords. I don't want to record the ...
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29 views

Speaker Test Connundrum

In Ubuntu, I was messing with pulseaudio settings after I had a small issue, when I found I no longer had sound or any devices showing in Settings-->Sound. I uninstalled then re-installed pulseaudio ...
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77 views

ALSA: mixing input source to output and vice-versa

I'm looking forward to have Linux system with GPU-passthrough Windows VM. Since the emulated sound device from QEMU/KVM is not very good, Windows VM will have USB-passthrough sound device and send ...
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3answers
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Pulseaudio no sound from speakers

Well, I know there are similar questions out there but none of their answers have actually solved my problem. I am running a Debian 10 (uname -a: Linux msi-debian 4.19.0-6-amd64 #1 SMP Debian 4.19.67-...
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38 views

Alsa USB Headphone no audio in browsers

I have USB Headphones as default audio output. When I try to play music from my computer or I run commands such speaker-test -t wav it works ok but when I open youtube on a browser (Chrome, Firefox) ...
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58 views

ALC3266 w/ Intel CM238 on Alienware 13R3 - Debian 10 Kernel 5.2.11 - ALSA - No Input on Both Combo and HeadPhone Jack

I have a problem with ALSA Audio. It does not record input from Combo Jack or Mic Jack. From Combo Jack output sound is fine. Title is giving the info on hardware. Additionally, my Mic Jack can be ...
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1answer
31 views

Whats the best way to get the current audio playback level?

I'm playing an audio stream with ffplay. Is there a simple way to get the current level of the audio that is playing? Not what the volume is set to but the actual audio levels being played? I need ...
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106 views

Arch audio driver alsa can't hear audio via headset setup by pavucontrol/pulseaudio

I have problems with using my headphone to receive audio output in arch. I installed these packages: alsa pulseaudio pulseaudio-alsa pavucontrol I ran pulseaudio --run and started pavucontrol. In ...

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