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

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58
votes
5answers
69k 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 ...
43
votes
4answers
12k views

How do you mute from the command line?

How do you mute the sound system from the command line?
35
votes
2answers
40k 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. ...
21
votes
4answers
37k 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 ...
21
votes
3answers
31k 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 ...
15
votes
1answer
724 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
10answers
11k 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 ...
11
votes
3answers
9k 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 ...
11
votes
5answers
24k 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 ...
11
votes
3answers
3k 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 ...
10
votes
1answer
7k 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
4answers
17k views

keyboard shortcut/command to mute/unmute microphone

During voice conversations in Skype/Gmail/etc. I would like to mute/unmute the microphone without having to go through all these steps each time: Sound indicator Sound preferences Select Input ...
9
votes
2answers
45k 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 ...
9
votes
2answers
17k 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 ...
7
votes
2answers
12k 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 ...
7
votes
1answer
8k 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? ...
7
votes
5answers
36k 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 ...
7
votes
5answers
22k 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) ...
7
votes
3answers
10k 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 ...
7
votes
3answers
4k 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 ...
7
votes
5answers
3k 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 ...
6
votes
3answers
2k 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 ...
6
votes
3answers
5k 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
1answer
6k 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
813 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
588 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
4k 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
1answer
10k 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 ...
5
votes
2answers
9k 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
1answer
893 views

Can I record playback with audacity without Pulseaudio?

I'm trying to record output (that what I can hear) with Audacity, but no sound recorded. I have found some instructions how to record with Pulseaudio, but I have only Alsa. I can't see any option in ...
5
votes
5answers
8k 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 ...
5
votes
2answers
7k 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' ...
5
votes
1answer
1k views

How do I get an Asound-cm106 (USB) sound card to work?

I have a USB sound device asound-cm106 which apparently has the cm6206 chipset. I want to use it because I give the hell up trying to get my built in soundcard to work with my current setup (it was ...
5
votes
0answers
1k views

Low volume problems Asus Xonar DX [closed]

I have problems with my sound card, an Asus Xonar DX on Ubuntu 12.04 LTS. To hear something, i need to set Ubuntu's volume at 100% and speakers volume at 75%. At this moment i can barely hear ...
4
votes
5answers
11k views

Internal microphone not listed in sound settings

On a fresh 12.04 installation in sound settings the internal microphone is not listed (worked upto 11.10). Alsamixer shows that mic is "0" and muted, but after changing that it remains undetected in ...
4
votes
2answers
584 views

How to play music, coming from the microphone jack?

I have a USB device attached, which enumerates as a microphone. It streams some music, and I can easily record it with e.g. Audacity. However, I want not to record it, but jsut listen on my ...
4
votes
1answer
507 views

How can I monitor the output of an already running program?

I am trying to figure out what is going on with pulseaudio on my computer because almost every 20 seconds of listening to a song it freezes. I've tried killall pulseaudio && pulseaudio to try ...
4
votes
2answers
2k 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 ...
4
votes
3answers
5k 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 ...
4
votes
1answer
798 views

How can I speed up boot on one of my machines?

I have a Gateway all in one machine (2 gig Intel Core 2 Duo T7250 dual core processor, 2 gig RAM - full specs) on which I installed 10.10. Once it has booted it's fine, but it takes forever to boot. ...
4
votes
1answer
726 views

Skype 4 doesn't function with Ubuntu 13.04

Can someone help me? When I start skype with Ubuntu 13.04 I get the this error: skype ALSA lib pcm_dmix.c:1018:(snd_pcm_dmix_open) unable to open slave ALSA lib ...
4
votes
1answer
565 views

No sound after clean install

Did a clean install of Ubuntu 12.10 and everything working great except for the sound. Ubuntu doesn't even seem to be recognizing the fact my HP dv6000 has the capability of making sound! I have ...
4
votes
3answers
3k views

Lots of static/crackling noises after ALSA HDA DKMS installation

I am using a Samsung Chronos 7 laptop with the following sound setup: $ head -n 1 /proc/asound/card0/codec* ==> /proc/asound/card0/codec#0 <== Codec: Realtek ALC269VC ==> ...
4
votes
1answer
3k 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? ...
4
votes
2answers
8k 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 ...
4
votes
1answer
330 views

What is the differences between Ubuntu existing kernel vs rt kernel?

What is the differences between Ubuntu existing general kernel of 11.10 vs so called linux rt kernel? does audio delay depends on general kernel vs rt kernel? Where some audio capture looks like it ...
4
votes
1answer
277 views

Where should I file a jack-sense bug?

It's a super non-critical bug. It's easily user bypassable. In my case with an HP laptop with Intel on-board audio, if I shut down with the headphones plugged in and start with headphones unplugged ...
4
votes
1answer
4k views

Wine sound problems

Wine 1.3.25 changed the way sound works in Wine. As OMG! Ubuntu! reported: Wine 1.3.25 (...) saw a ‘total rewrite of audio support’ and the removal of several audio drivers. The result is breakage ...
4
votes
2answers
2k views

How do I replace Pulseaudio?

Previous answers refer to previous versions of Ubuntu. I'm having the same issues and dislikes with Pulseaudio in Natty as I had with previous versions of Ubuntu, so I want to replace it with ...
4
votes
1answer
3k views

pulseaudio and alsa on ubuntu 12.04 server

I am running ubuntu 12.04server, and trying to get pulseaudio working. I followed the instructions at How do I run PulseAudio in a headless server installation? At the moment, pacmd list-cards is ...