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

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3k views

ALSA samples capture: cannot open device

I'm quite new to Linux (Lubuntu 12.04 for sake of precision) and ALSA programming at all. I'm trying to write a C program to capture audio from internal PC microphone for processing it. So as first ...
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1answer
76 views

Weird sound effects issues: effects delayed with hard freeze; volume changes either don't play or repeats the sound effect many times. Can I fix this?

This new laptop I have has a weird issue with sound effects: occasionally, I presume due to some low-moderate level of load, the audio subsystem gets stuck, delaying sound effects (and sometimes ...
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0answers
31 views

On reboot headpoones are muted

After I upgraded Ubuntu to 15.04 alsamixer mutes my headphones on every reboot. I have tried changing settings in alasamixer and saving it with sudo alsactl store. I've edited file ...
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56 views

Audio via NVIDIA HDMI skipping

Everything else regarding audio, HDMI (video) ja the video card works, except seemingly not randomly the audio skips if I direct it over HDMI to my TV. And by seemingly not randomly it is very ...
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0answers
36 views

usb headphones don't work in xubuntu

I'm running Xubuntu 14.04.02 and my C-Media USB headphones don't "just work." When I plug them in, entries are created in /dev/snd, but nothing appears in sound settings, nor do they appear in the ...
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0answers
109 views

ALSA Audio errors - Trusty

New Ubuntu user here...just tried to run an app that uses USB to get to an external sound card which then connects to another box that both sources and receives audio from and to this PC (Dell). On ...
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2answers
11k views

How can I reinstall pulseaudio? (12.04 64bit)

I accidentally removed pulseaudio from my Ubuntu 12.04 64bit. I have tried reinstalling it using sudo apt-get install pulseaudio but my sound card doesn't appear in the list of the devices (in ...
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1answer
6k views

No sound by speaker in ubuntu 12.04, only by headphones (re installing, updating and in liveUSB without sound)

I installed Ubuntu 12.04 and the speakers don't work. Before I had 13.04 without problems about sounds. I re install ubuntu 12.04 and update, and also no sound, only by headphones. Also I tried by ...
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59 views

No audio when DVI to HDMI cable is plugged. How to fix this?

I have been using LG TV as monitor with Audio Cable and DVI to HDMI cable I am getting audio when VGA cable is plugged. But when the DVI to HDMI cable is plugged I couldn't get audio (Probably ...
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245 views

Noise on headphones on HP Zbook 15 G2 with Ubuntu 14.04.2 or 14.10

After first install of Ubuntu 14.04.2 LTS on brand-new HP Zbook 15 G2 I wanted to listen to music. Sound works. However, there is a constant, quite strong very annoying noise. This noise appears ...
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1answer
42 views

Set sound device for individual applications using alsa

How can I set the sound device for a certain application, so when I start it automatically uses that device, even if it is not the default. A small example of what I want, to avoid confusion: I ...
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1answer
661 views

HP Envy 15 Speakers Partially Working (Beats Audio)

Anybody have all 5 speakers (front l+r,rear l+r and woofer) working? Currently only the front two (front l+r) are working. I'm running a fresh install of 12.10. Headphones work fine though. Doesn't ...
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1answer
193 views

No sound and 'Dummy Output' in Ubuntu 14.04

I'm running a dell XPS 13 (developers edition). I had Ubuntu 14.04 from the beginning and for about 2 months everything was working great. After a while, sometimes when i had my earplugs plugged in, ...
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0answers
59 views

Sound Not Working Kubuntu 14.04 kernel 3.13.0-48-generic

Sound just stopped. Was working for a couple of years. I get a intel boot up tone. Sound works in windows. I looked at No sound in Kubuntu 14.04 Following advice here: ...
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1answer
1k views

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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1answer
3k views

ALC892 Low sound issue fixed with changing alsa config, why does it work?

I updated to 14.04. My sound immediately transitioned from being normal to sounding extremely quiet, sounding like it was at 5% of max volume, though all my volumes were set properly. I tried lots ...
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1answer
166 views

BT_GET_CAPABILITIES warning slowing down audio apps

I'm using a bluetooth audio receiver to stream music from my PC to an old stereo. Everything works fine, except that everytime an app needs to use audio, and starts initializing ALSA, it gets lots of ...
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2answers
2k views

alsamixer: no such file or directory

I am trying to setup a minimal system from the Ubuntu 14.04 netboot iso. I installed the system using defaults only (except partitioning). After the install was finished I restarted, edited ...
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0answers
74 views

How to make steam use alsa with plugins on a x64 ubuntu?

I have disabled pulseaudio, I'm using alsa only with 2 plugins and of course there is Steam. The problem is Steam can't use alsa. The error seems to be: ALSA lib ...
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0answers
26 views

HDAjackretask don't let the mute work correctly

I have a problem with HDAjackretask from Alsa-Tools which is when I have the speakers configured on the system for my LCD speakers, Built-in Speakers and the Beats Subwoofer, the Mute LED don't work ...
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5answers
29k 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 ...
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0answers
85 views

Alsa problems with python2.7- Unable to open slave

I am using python's module pyaudio to process sound but ALSA returns: ALSA lib pcm_dsnoop.c:618:(snd_pcm_dsnoop_open) unable to open slave ALSA lib pcm_dmix.c:1022:(snd_pcm_dmix_open) unable to open ...
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25 views

Sound system on Ubuntu 14.10 not working

I'm aware that Ubuntu has common problems with the sound system. I've already looked into alsamixer, made sure all things are unmuted, my analog is also the default sound, computer recognizes the ...
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0answers
26 views

Alsamixer cannot be found

On Lubuntu 14.04 LTS upgraded from 13.10, I cannot open alsamixer. In the terminal I get: $ alsamixer cannot open mixer: No such file or directory I can confirm that: alsa-utils is installed. ...
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4answers
15k 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 ...
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1answer
42 views

What is 0 and 0 in hw:0,0 mean? and how can I get those value?

I'm trying to do screencast and record application sound too with ffmpeg. But, I can't get the application sound recorded. I think there's something wrong with my command. What I'm doing is like this: ...
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147 views

No Audio DELL XPS 13 9333 Haswell Ubuntu 14.04

I have been unable to get headphone or internal audio to work on my DELL XPS 13 9333 Haswell with Ubuntu 14.04. Here is the information I have. I would really appreciate your help. Alsa Info Script ...
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24 views

Alsamixer shows headphone bar at zero and doesn't let me increase it

The alsamixer shows the headphone bar at zero. Even when I try to increase it, alsamixer does not let headphone bar go up. Sorry I don't have enough reputation for a picture upload, but here is a ...
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0answers
60 views

What is causing my issues with sound in Ubuntu 14.04?

I'm hoping I can get some help with problems I've been having with sound in Ubuntu 14.04. I work a lot with audio recordings, and noticed difficulties when I started trying to record and annotate ...
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2answers
6k views

ThinkPad T420s docking station: no sound on external speakers

When I plug external speakers into the docking station for Thinkpad T420s i get no sound (internal speakers mute). P.S. I know the solution but it seems to be ok post problem specific solution in ...
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5answers
38k 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 ...
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4answers
10k 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 ...
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votes
4answers
6k 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 ...
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1answer
47 views

Lenovo G700: no sound in headphones

I have Lenovo G700 and have no sound in headphones :( Lenovo G700, IDT 92HD95, Kubuntu 14.04. Alsa updated from "ALSA daily build snapshots", kernel updated to 4.0rc6, alsamixer checked. Internal ...
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1answer
50 views

Alsa unsupported soundcard

I am fairly new to Ubuntu and could really do with some tips, right here is what I want done Bus 003 Device 005: ID 200c:100a Reloop ^the above is my unsupported sound card listed in #lsusb ( ...
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33 views

Is Asus Sonar U7 usb audio interface fully compatible with Linux?

I've found a lot of useless questions and blog entries regarding Linux compatibility with sound cards, but no real information from real users. That's why I'm writing this question. I've got a good ...
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1answer
37 views

Lenovo G580 sound only via headphone plug and freezes

Hello Ubuntu Community, Yesterday I installed Ubuntu 14.04.1 LTS, because I got sound problems under Windows 8.0 and 8.1. The first Ubuntu Installation went wrong and the second try worked finally. ...
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83 views

Clevo P650SE - Ubuntu no headphone sound

I have installed Ubuntu 14.04 on my Clevo P650SE model laptop (dual boot with Win 8.1). The headphone jack does not appear to work (sound continues through the speakers) in Ubuntu only. Running ...
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0answers
83 views

After recent updates sound stopped working

I am new to Ubuntu/Linux and do not have a background in computer programming. Ubuntu 12.04 came pre-loaded on my Dell Inspiron 3442, Intel Pentium 3558u@1.7GHz x2, 64-bit. I loaded my music library ...
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33 views

Ubuntu 14.04 Sound problems

When I start my PC the sound works for a few minutes and the drivers are seen in the sound settings page. After a few minutes the sound suddenly cuts off and the drivers disappear from the sound ...
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2answers
997 views

Why does “Monitor of Built-in Analog Audio” Has no Sound?

I started with Linux for about 4 or 5 months, moved from Mint 15 to Ubuntu 12.04 and I'm loving it all. Still getting used to terminal commands and the variety of software I can find here. I ...
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1answer
45 views

No sound through headphone jack, sound through speaekrs does not work after plugging out headphones

I'm currently on Ubuntu 14.04, and last week the sound through the headphone jack stopped working. I've checked alsamixer and the sound is not muted: http://i.stack.imgur.com/4N1Pt.png Ok, I ...
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vote
2answers
174 views

What does USB DAC “Analog Output” mean?

I just connected my new Rega DAC to the computer via USB, it popped up in the sound settings, and choosing it there directs sound to it just fine. What confuses me, however, is that it says "Analog ...
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0answers
105 views

No sound on my inspiron 14 3000 series

E: [pulseaudio] pid.c: Daemon already running. E: [pulseaudio] main.c: pa_pid_file_create() failed. erwin@MkJoker:~$ pulseaudio -vvv I: [pulseaudio] main.c: setrlimit(RLIMIT_NICE, (31, 31)) failed: ...
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0answers
62 views

ubuntu pc connected to tv via onboard hdmi suffers off sync delay when using samsung soundshare

I am still not sure where the problem comes from, so I am asking here and I also sent an email to Samsung asking for support. If anyone can provide me with some pointer on where the problem could ...
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2answers
2k views

How do I get my laptop's Line In inlet to output sound?

I have a laptop - DELL Studio 1773, but I'm pretty sure the model does not matter. One of it's features I love most is the fact it has TWO headphone outputs. This means Ubuntu can use them to output ...
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2answers
134 views

Sound no longer recognized after latest kernel upgrade (14.04)

This morning Software Updater showed notification of new updates. The kernel was part of the update which then required a reboot. Once I rebooted, my sound was gone and no longer recognized buy the ...
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0answers
38 views

Audio Malfunction Ubuntu 14.04

I have a problem with my audio, it is not working anymore. When I open system-settings and go to sound there is nothing listed for output. When I try to play a song it says 'autoaudiosink' couldn't ...
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0answers
90 views

MIC not working in Ubuntu 14.10

Internal MIC not working in my Ubuntu 14.10 and it was worked in all previous Ubuntu versions. Tested with Skype, Kazam and Hangout. Sound Settings pavucontrol alsamixer ...
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votes
0answers
39 views

no sound in system and alsamixer says :“The sound device does not have any control”

I m facing sound problem. There is no sound in my system.When I looked for alsamixer, there it says :"The sound device does not have any control". But if I connect it to external speaker its works ...