Questions tagged [alsa]
The Advanced Linux Sound Architecture (ALSA) provides audio and MIDI functionality to the Linux operating system.
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Is there another way to restart the sound system if pulseaudio/ALSA don't work?
I was listening to music, and my sound suddenly went dead in all my applications. I'm using Ubuntu 12.04, which uses pulseaudio, so I tried sudo /etc/init.d/pulseaudio restart, but nothing happened. ...
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Is there any Sound enhancers/equalizer?
What I am looking for is to have system wide implementation of sound enhancements like bass boosts, echoes, Fidelity, Stereo enhancement and so on.
Audio Video players have their own equalizer but ...
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14
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Headphone jack not working?
I have a Dell Studio XPS 1647 and headphones do not work (though , internal speakers work like a charm) , I have dual boot Windows 7 and headphones work perfectly fine ...
I also tried -adding in ...
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How do you mute from the command line?
How do you mute the sound system from the command line?
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How to save AlsaMixer settings
Hello I have tried out the program "EarCandy", now I had/have a lot of problems.
At first I did not get any sound and now it is very low volume. PS Earcandy is now deleted from my hard disk.
...
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How can I tell if I'm using alsa or pulse-audio by default? (Switching to i3-wm)
I might not be understanding the core concept, in which case correct me if I'm wrong.
Ubuntu comes with two different audio rendering servers, pulse and alsa. Is Alsa an intermediary layer to pulse? ...
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answer
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What is the relation between ALSA and PulseAudio sound architecture?
Well, this confuses me for a long time. As far as I know, ALSA is a package of many sound card drivers, and PulseAudio is a audio application that operate the sound data like mixing or equalizer.
But ...
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No sound output devices listed after upgrade from 21.10 to 22.04
Problem: No sound after upgrade from ubuntu 21.10 to 22.04 (using development release) both built in speakers and hdmi output.
Some background: running on ubuntu 21.04, I noticed that my sound was not ...
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15
answers
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PulseAudio fails to set card profile to 'a2dp_sink'. How can I see the logs and figure out whats wrong?
I have currently installed ubuntu 16.04 and a2dp used to work on fresh install, which I'd prefer to leave as a last option. When the pairing is erased from bluetooth settings and is paired again ...
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14
answers
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Command to mute and unmute a microphone
During voice / video conversations I would like to mute/unmute the microphone without having to go through all these steps each time:
Sound indicator, Sound preferences, Select Input, Mute or unmute ...
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How to record any internal sound in and out using Ubuntu and Audacity
How cna I record any internal sound like mic in and speaker out from the same PC running Ubuntu, using Audacity or something else?
For example under Windows it can be done like this (I want to do ...
user25165
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answers
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Replacing Pulseaudio with Pipewire in Ubuntu 20.04
Since I installed Ubuntu 20.04 I have been facing problems with my Bluetooth headset microphone not detected by the system. My headset worked perfectly with Windows. Also, I am not able to switch to ...
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3
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No sound device detected
I just installed Ubuntu 16.04 LTE on a new Lenovo E470 machine. No sound device is detected, I mean:
And similarly, no input device is detected. Some information that may be helpful:
aplay -l returns
...
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Equalizer in Ubuntu 18.04 [duplicate]
Is there any build in Equalizer in Ubuntu 18.04 or a third party program that works with this version best?
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9
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How to switch between headphones and speakers without unplugging headphones
When I plug in my headphones the audio output device switches to the headphones from my speakers.
Rather than plugging/unplugging the headphones all the time, which will eventually wear out my cord/...
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Only "Dummy output" (sound) in Ubuntu 20.04 after reboot - Broken driver / module
EDIT:
This appears to have turned in a sort of canonical set of commands to start diagnosing audio issues.
I am using Ubuntu 20.04 for over a month now.
After a reboot, I have no more sound and WiFi. ...
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7
answers
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pavucontrol stuck at "Establishing connection to PulseAudio. Please wait..."
I sometimes have the problem that I can't hear any sound on my Dell XPS13 with Ubuntu 16.04. I have a Logitech G930 connected to it. When I open pavucontrol it is stuck at "Establishing connection to ...
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9
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No sound - Ubuntu 20.04 LTS
Installed Ubuntu 20.04 and I do not have sound.
I already tried many ways to solve it but the problem persists. When i run alsa mixer this comes out.
34
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13
answers
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Static noise when playing sound
From time to time I get a lot of static noise when playing sound. It stops when no sound is played (e.g. when music playback is stopped).
Seems to be independent from output device (same symptons ...
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votes
10
answers
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No sound on HDMI Ubuntu 20.04
I just installed Ubuntu 20.04 on my laptop which is a bit outdated:
CPU: Intel Core i5 CPU M 480 @ 2.67GHz
RAM: 4GB
Video card: GeForce GT 420M
Audio: GF108 High Definition Audio Controller NVIDIA
...
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votes
5
answers
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Ubuntu 14.04 sound suddenly stopped working, reboot did not fix
I am running Ubuntu 14.04 on an ASUS X52J laptop.
I was watching a lecture on Google Chrome, when suddenly, all sound was lost. Throughout the PC. No sounds from Chrome (even though Chrome indicates ...
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13
answers
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Ubuntu 20.04 - No sound
I installed Ubuntu 20.04 LTS and I noticed that I have no sound, I am using Lenovo Legion Y520-15IKBN. I want to continue using Ubuntu and learning about Linux, but having no sound is a kind of a deal ...
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9
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Pulseaudio not detecting bluetooth headset automatically
The Pavucontrol on my Xubuntu 13.10 detects my bluetooth headset, but only after I type the commands :
pulseaudio -k
sudo alsa force-reload
After a few seconds the headset appears in the ...
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votes
8
answers
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Sound output starts delayed
Via SPDIF hearable sound starts late, e. g. in the Test Sound dialog I maximally can hear "Left" when the voice should say "Front Left".
When I have pavucontrol open (in the background) whilst ...
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How to fix "No Soundcards Found"
I was trying to get IEC958/SPDIF optical out working on my ASUS P8P67PRO V3 motherboard running Natty and I seem to have wiped out a crucial part of my sound setup.
Here is the output from some ...
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3
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Alsamixer: howto disable auto-mute mode
I've tried do undo this but not able to get it disabled. My sound settings need to be redone every boot up as well, but asking that question as well would get neg. feedback.
How to get microphone to ...
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votes
5
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Why do my bluetooth Sony stero headphones only play in mono?
I'm new to Linux, so I hope I'll be giving you helpful info here.
On my last (recently deceased) laptop, I was running Ubuntu 14.04, and on that system my bluetooth Sony MDR-ZX770BT stereo headphones ...
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22
votes
7
answers
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Microphone is not working on Ubuntu 16.04
I have problem with my HDA Intel PCH audio under Ubuntu 16.04. I never had any problem with speakers, however my microphone is not working.
When I plug microphone in jack, system reacts and it looks ...
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votes
2
answers
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Collecting and mixing sound input from different microphones
I am able to play sound through two or more outputs/devices using paprefs and adding a virtual output device, as described in this answer:
Play sound through two or more outputs/devices
Now I would ...
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7
answers
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How to change the default audio in Wine to Alsa only
I am trying to change the default Audio sound system to ALSA so it fixes some sound issues. How can this be done?
Am using 1.3.x branch from PPA which is much better than the 1.1.x and 1.2.x in every ...
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votes
11
answers
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Persistent Dummy Output
The soundcard I want to use is detected and works (it only recently switched to dummy output and didn't allow me to go back).
HDMI is no longer listed under Audio and Video - KDE Control Module; ...
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22
votes
8
answers
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Sound card shown as Dummy Output in Ubuntu 18.04
Dummy output is showing in Settings -> Sound in Ubuntu 18.04.
Dummy Output
I tried:
sudo alsa force-reload
It does nothing. I am not sure what else to try.
$ lsb_release -a
No LSB modules are ...
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21
votes
10
answers
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Mute key mutes Alsa and PulseAudio, but unmutes only Alsa
When I press the mute key on my keyboard, both the Alsa master channel and the PulseAudio master channel get muted, pressing it again only unmutes the alsa master channel, the pulseaudio master ...
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3
answers
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Virtual MIDI Piano Keyboard setup
I installed Virtual MIDI Keyboard (vmpk) using apt-get install. I also have Jack control and Qsynth installed. When I open vmpk, I cannot hear the sound coming from it. How can I do the setting to let ...
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Revert audio configuration to defaults
I messed up the audio on my 10.10 installation. I had a problem of having no sound when plugging in the headphones and following many different solutions for that problem I (de)installed several ...
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3
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Realtek Audio Drivers for Ubuntu
Are there any Realtek audio drivers for Ubuntu? If yes where do I get them and how do I install them correctly? (for Ubuntu 14.04 64bit) Also with jack work okay after I install them?
Curious about ...
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Headphones not detected if plugged in before boot Ubuntu 18.04
So my problem is basically in the title. If my headphones are plugged in before I boot (I'm using Dell XPS 15 9560, Ubuntu 18.04), they aren't detected. I've gotta unplug them and plug them back in ...
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Switch between internal and HDMI speakers automatically
You know how when you plug headphones into your laptop's aux jack, the internal speakers are automatically muted and the sounds comes out of your headphones? I want exactly that for HDMI.
I connect a ...
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2
answers
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Headphones not detected when plugged before boot
I have Ubuntu 16.04 installed on a Dell XPS 15 9550.
When I power on the laptop with headphones plugged in, they are not detected by the system and they are not even visible in the audio settings.
In ...
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votes
8
answers
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Audio stopped working suddenly in 12.04
My audio is no longer working in Xubuntu 12.04 after working fine for about a year. This happened right after visiting the following website and installing an audio browser application to upload ...
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3
answers
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Ubuntu 20.04 Lenovo Ideapad Microphone not working
Internal Microphone is only recording static noise on Lenovo Ideapad and Ubuntu 20.04.
I've tried deleting PulseAudio config, restarting PulseAudio, and reinstalling Alsa. sudo pavucontrol was no help ...
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votes
5
answers
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No sound after sleep - Ubuntu 20.04
I have a Xioami notebook pro laptop on Ubuntu 20.04 (same issue on 18.04).
After the laptop goes in sleep/hibernate mode, there is no sound that comes out of the speakers. The system settings (...
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11
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Installed Lubuntu 16.04 version no audio now
I just installed LUbuntu 16.04 onto my laptop, which is a HP Pavilion G6 series, AMD Processor, and it does have an HDMI port. I can't seem to get audio or any sound at all to come out of my laptop. I ...
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KDE 5 - How to easily switch between audio outputs?
I currently have KDE 5 Plasma installed which I like a lot.
However, it is not possible to easily switch between Audio outputs from One Soundcard (SPDIF and analog) like it was possible in Unity.
Is ...
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5
answers
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HDMI sound not working after upgrading to 20.04
After upgrading to ubuntu 20.04 the hdmi sound stopped working. If I select headphones as audio output they work well, but if I change to HDMI output it doesn't work.
Also I noticed that when I ...
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votes
4
answers
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How do I 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.
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2
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Microphone - static background noise suppression [duplicate]
My soundcard is Realtek ALC 892. On Windows 7 I use official Realtek drivers, on Linux I use PulseAudio (on Ubuntu 13.10). On both Windows and Linux, when I enable microphone boost +30db (required ...
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votes
7
answers
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Sound card not detecting
I recently tried to install Realtek audio driver. Procedure was completed successfully but when I rebooted system after installing my sound cards are not detecting and system is muted. Later I tried ...
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2
answers
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Sound Settings is missing all output devices [duplicate]
Possible Duplicate:
My sound stopped working today, how can I fix it?
I'm baffled by this discrepancy:
This speaker test is successful:
speaker-test -c 6 -D 'surround51:CARD=PCH,DEV=0'
Sound ...
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16
votes
2
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No sound after startup, have to alsa force-reload
Every time my PC is booted, Ubuntu (13.04) is muted in the sense that it does not play any sounds. I found out that I have to type sudo alsa force-reload in order to get the sound working again.
How ...
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