The Advanced Linux Sound Architecture (ALSA) provides audio and MIDI functionality to the Linux operating system.

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99
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5answers
131k views

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 ...
59
votes
4answers
88k views

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. ...
55
votes
4answers
22k views

How do you mute from the command line?

How do you mute the sound system from the command line?
47
votes
6answers
62k views

Howto save AlsaMixer settings?

Hello I have tryed out the programm "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 harddisk. When Im ...
29
votes
4answers
76k views

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 ...
23
votes
1answer
2k views

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 ...
22
votes
1answer
32k views

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. Alsa is an intermediary layer to pulse? I'...
19
votes
3answers
23k views

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 ...
17
votes
3answers
17k views

How to record any internal sound in and out using Ubuntu and Audacity

How to record any internal sound like mic in and speaker out from same PC running Ubuntu using Audacity or something else? For example under Windows someone does like this: (i want to do the similar)...
16
votes
5answers
28k views

Command to mute and unmute a microphone

During voice / video conversations online 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 ...
16
votes
8answers
29k views

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 ...
15
votes
10answers
19k views

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 ...
15
votes
6answers
42k views

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 ...
15
votes
1answer
1k views

Is there a fancy vertical notification OSD that works for both ALSA and pulseaudio?

Is there a fancy way to get the volume notification OSD to work with both pulseaudio and ALSA? Right now the standard desktop ones only work with pulseaudio for me. How about a vertical OSD that I can ...
12
votes
2answers
18k views

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 ...
11
votes
1answer
9k views

How do I change the way Ubuntu adjusts my volume mixer levels?

I've had a mildly annoying problem with my sound for quite awhile now, and I've finally decided it's time to do something about it. Every time I adjust the main volume slider in the toolbar, or use ...
10
votes
2answers
48k views

Sound not working after 12.04 install

I have recently installed 12.04, but the sound is not working from both internal speakers, and from headphones when I connect them. I have followed the instructions at https://wiki.ubuntu.com/...
10
votes
5answers
22k views

No sound from laptop speakers in Ubuntu 14.04 after booting into Windows 8.1

I have a Dell Inspiron 15 7537. I had installed 14.04 on it, and had no problems with the sound initially. However, like my with ethernet card, it seemed expecting to not have driver/software issues ...
10
votes
5answers
28k views

Can't configure 5.1 audio with 12.04

I have an Intel ALC892 and a Nvidia GT 520m connected to speakers via HDMI. On lspci, I see 00:1b.0 Audio device: Intel Corporation N10/ICH 7 Family High Definition Audio Controller (rev 02) ...
10
votes
2answers
771 views

Pulseaudio card-profile for Focusrite Scarlett 18i8

This is my first question here and I'm not quite sure what data to include for this question. Please ask me if you need me to provide more information. I recently got the Focusrite Scarlett 18i8 ...
10
votes
4answers
536 views

16.04 Headphones detected, but not switched on automatically after startup

I have this issue since 15.10, but it started to really grind my gears after making an upgrade to 16.04. Let's say that I have headphones plugged in. I reboot\relog on\boot to ubuntu, and play the ...
9
votes
2answers
18k views

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 ...
9
votes
5answers
55k views

Using microphone input port as headphone output

I have one audio output jack and one audio input jack on my laptop. I want to use it for real time audio mixing, and I need to have another discrete output for headphones that is independent of the ...
9
votes
6answers
15k views

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 ...
9
votes
2answers
21k views

Ubuntu 12.04: Replacing pulseaudio with Alsa?

Because of skype sound issues I was told to replace pulseaudio with alsa. I only found a solution for Ubuntu 10.10. Does this still work for Ubuntu 12.04 Precise Pangolin? Or does it still not make ...
8
votes
5answers
19k views

“Dummy Output” sound in Ubuntu 14.04

None of the other questions about this have solved my issue. I'm using a Dell Inspiron N5110. The sound on my Ubuntu 14.04 is driving me crazy. It works and doesn't work randomly as I turn my PC on. ...
8
votes
3answers
5k views

Headphone sound is one sided in ubuntu 13.10

I am using ubuntu 13.10 64bit. I got one sided (one channel) sound only in headphone. Laptop speaker is quite good. Headphone jack of laptop and headphone are both working well. It's software issue. I ...
7
votes
1answer
16k views

How do I change which audio jacks are used for input and output?

I'm using a Realtek HD audio card built-in my motherboard. The Windows driver comes with a control panel that allows me to select which back panel jacks are used for what. So for example I can make ...
7
votes
3answers
17k views

Ubuntu 12.04 alsamixer not found

I have a Lenovo Y500 with Windows 8. I successfully got Ubuntu 12.04 installed alongside Windows 8 and the nvidia drivers just worked from the start. The sound wasn't working at all however, and ...
7
votes
4answers
11k views

Static background noise while using new headset

Today I bought a new gaming headset (Gx-Gaming Lychas), and when I tried to record some gameplay-comentary I noticed that there always is a static background noise, I just recorded an example so you ...
7
votes
1answer
4k views

Is there any way to save alsamixer settings other than alsactl store?

The root problem: for some reason, on boot, Ubuntu 14.04 disables (mutes) the S/PDIF output on my sound card. This question and its answers indicate that sudo alsactl store will store the alsamixer ...
7
votes
1answer
9k views

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 ...
7
votes
2answers
13k views

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' ...
7
votes
5answers
6k views

Make the sound louder in Lubuntu

I have a Toshiba r835 running Lubuntu 11.10. Turning the volume slider up all the way doesn't give very loud sound. I've tried typing alsamixer in a terminal and turning up all the levels there to ...
7
votes
3answers
5k views

No sound on resume after suspend in 12.10 [closed]

The issue has begun within 12.10. Before it worked perfectly. Now, even restarting alsa won't work, I have to reboot. Please, ask for details. I'm running Ubuntu 12.10, unity DE with gnome 3.6, no ...
6
votes
2answers
6k views

PulseAudio can not load bluetooth module 15.10/16.04

EDIT: Works for 16:04 as well I am having trouble connecting my bluetooth speakers with a fresh 15.10 install. The speakers are connected however they are not listed as available audio device. I ...
6
votes
5answers
39k views

Setting the default ALSA device for Pulseaudio

I recently got an external soundcard/DAC (Fiio E17) and am currently trying to properly configure it on my Ubuntu 12.04 installation. When plugging it in via USB, it's immediately recognized and shows ...
6
votes
3answers
8k views

asus n550jv audio problem: no sound from notebook' speakers

Ubuntu 13.10. The problem is: the internal speakers don't work. I have no problem when I'm using the headphones. There is no hardware issue since in windows 8 everything works perfectly(external ...
6
votes
2answers
11k views

No sound output from headphone jack Ubuntu12.04

I have just bought a new ASUS u47vc computer. I have installed ubuntu 12.04 on it alongside windows 7 with no problems what so ever. Howevr, there is one issue that must be resolved. I can not get ...
6
votes
1answer
3k views

Enable Mic in Wine ? (Alsa/Pulseaudio)

I'm not able to make a mic work with wine-1.7.30 (the mic is the integrated mic in my pc and works fine with other applications ) I found some suggestions but they don't seem to work. Anyone manage ...
6
votes
1answer
9k views

ALSA lists no capture device

So, for some reason, I'm not allowed to prefix my post with the word "Hey"? Strange. Anyway: I just got a new headset, and to my great surprise, ALSA doesn't even believe that a line-in exists. ...
6
votes
1answer
908 views

Choppy sound via HDMI on Mac Mini 4,1

I get choppy sound output over hdmi with the command. aplay /usr/share/sounds/alsa/Front_Center.wav My current configuration can can be found here: alsa-info.sh output Sound worked after some ...
6
votes
1answer
944 views

How to create/simulate two audio lines/devices?

I have searched around the internet for answers; however, I was not successful in locating an answer. What is the best method of simulating two audio devices using Pulse Audio/ALSA/something else? ...
6
votes
3answers
6k views

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 ...
5
votes
2answers
10k views

Successfully connected to a bluetooth speaker, but how do i direct sound there?

I'm running Kubuntu 13.10 on a Lenovo Thinkpad T430 laptop. I've got a Bluetooth speaker. After a lot of troubleshooting i managed to connect to the speaker. bt-device reports: $ bt-device -l Added ...
5
votes
2answers
5k views

How do you use both Pulse Audio and Alsa?

Can someone explain the relationship between the different sound components and if they all need to be installed in order to get sound? For example, I have one called "Playback: ... (PulseAudio Mixer)...
5
votes
2answers
12k views

Distorted and Choppy Audio

After installing 12.04 Precise on my PC, I have encountered some problems with audio output which did no occur when using Lucid. The sound is choppy and distorted in the lower tones. As I have no ...
5
votes
2answers
3k views

How to get a NI Traktor Audio 2 sound card work with Mixxx

I've got a NI Traktor Audio 2 sound card I'd like to get working with Mixxx, but I don't seem to have any success so far. The card seems to be supported in Ubuntu out of the box, and it seems to work ...
5
votes
2answers
14k views

Lubuntu no sound at all; no mute, alsa, pulse

Apologies if this question has been answered already but I've scoured these forums and I haven't found anything that works. I recently put together a low spec machine with plans on running Lubuntu 12....
5
votes
1answer
5k views

How do I turn off audio echo from microphone to local speakers?

From 2 microphone inputs I have only one in use. When I talk into my USB microphone the audio echoes back to my local speakers (my "hello" is getting looped back instantly). How do I turn this off? ...