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

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136 views

Why are there two sink input index generated by pulseaudio?

I'm planning to spawn a thread as I detect a new sink input index in pulseaudio. But when I run some application, I find out that a second sink index for same client is created. The system spawns a ...
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419 views

No HDMI sound with Intel

I've a problem which bothers me for days: The audio output via HDMI does not work anymore since I updated to Ubuntu 13.04 (it worked perfect with ubuntu 12). A few datas: **cat /proc/version** ...
2
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533 views

In Ubuntu 12.04, odd whining/humming coming from left side of MBP (2,2)

I have been searching for a similar issue to mine, but unfortunately haven't found anything. Anyhow, this week I installed 12.04 on my 2006 MBP (2,2). Pretty much everything seems to work OK, but ...
2
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0answers
497 views

HDMI with opensource drivers (radeon)

My system (E45M1-I Deluxe with AMD onboard graphics with 4GB RAM) running Ubuntu 12.04. My problem is I have no HDMI sound if using the opensource drivers instead of fglrx. I tried: to remove and ...
2
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0answers
654 views

No audio/sound in Ubuntu 13.04

Issue: No sound comes from built-in speakers and headphone jacks after doing a clean install of Ubuntu 13.04 Setup: Dual-boot with Windows Vista Home Basic (used mainly for Adobe CS) Audio: Intel HDA ...
2
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827 views

External Mic not always recognized

although this sounds similar to many previous bug reports, I couldn't find an answer in the other threads. I have a Samsung serie 9 laptop with a single audio connector for headphones/mic. I am using ...
2
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0answers
247 views

What can I do against microphone noise in Ubuntu 12.04 with Soundcard VT1708S?

I've got a little problem: my microphone input makes some noise if I try to talk. On Windows it works perfect, so it can't be damaged. My Mainboard is an ASUS M5A78L-M/USB3. Following Output: lspci ...
2
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0answers
773 views

HT Omega eClaro sound card (C-Media CMI8788) won't load in Ubuntu 12.10

Disclaimer: I also posted this question at LinuxQuestions.org. I have Mint 14 (based on Ubuntu 12.10) installed right now, but this problem exists with stock Ubuntu 12.10 as well. If you insist, I ...
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6k views

hdmi audio works only with aplay -D alsa test wavs; open source radeon drivers; kernel 3.5 vgaswitcheroo

I've trolled the internets to make hdmi work on my system Ubuntu 12.04. software center kernel 3.5 uname: Linux ubuntu 3.5.0-18-generic #29~precise1-Ubuntu SMP...x86_64 x86_64 x86_64 GNU/...
2
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0answers
356 views

No bass on my laptop

A have a laptop (Acer) with two front speakers and subwoffer (Acer Tuba). After upgrading to 12.04 only front speakers are working, no sound from subwoffer. There is no 2.1 configuration on Sound ...
2
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0answers
479 views

How to make external microphone default?

My laptop's internal microphone is broken and I use only the external one. However, each time I switch the computer on, I have to change it from internal to external in command-line alsamixer or ...
2
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439 views

Audio glitches occur randomly

Audio in media files randomly glitches and sometimes repeats for 1-2 seconds and then continues playing normally. These glitches seemingly happen at random times and don't recur in the same part of ...
2
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0answers
774 views

No sound on new gaming PC

Well, as you can probably tell by the title, I have no sound. I recently built a new gaming PC, and installed 12.04 onto it. Obviously, I have ALSA and PulseAudio installed, but I don't have /etc/...
2
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0answers
2k views

No sound : Ubuntu 12.04 new install

I have just installed ubuntu 12 and I am not hearing anything. The alsa info dignostic tool command output is put here: http://www.alsa-project.org/db/?f=ba499573f672309636489535508a9446c277a2a3 ...
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69 views
+50

How to Configure ALSA in Ubuntu 16.04 for Matlab?

Situation: unable to configure ALSA in Ubuntu 16.04 for Matlab 2016a System characteristics /proc/asound/cards 0 [HDMI ]: HDA-Intel - HDA Intel HDMI HDA Intel HDMI at ...
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24 views

Sound coming from both the headphones and speaker on ubuntu 16.04

When I plugin my headphones through the front jack in my desktop my speaker does not auto mute and sound comes from both in Ubuntu 16.04. When I open the alsamixer program through terminal, I see ...
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0answers
25 views

Sound on speakers, but headphones don't work on Asus X553M [Ubuntu 14.04.1]

I'm having a big problem with my headphones on partner's notebook: it's running on dual boot (Win10 and Ubuntu 14.04.1) and although sound works fine on speaker, it doesn't work on headphones. I've ...
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19 views

Pulse audio error module-echo-cancel.c not found

I am trying to activate echo cancel module . i added the line load-module module-echo-cancel But when i try to restart now the pulseAudio i get the error saying E: [pulseaudio] module-echo-cancel.c:...
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21 views

Alsa chroot java program doesn't find microphone

I made a chroot environment from an architecture i386. Now I installed ALSA on it (alsa-base, alsa-utils, asound2). I mounted the proc,sys and dev directory too. Then I tested my microphone with the ...
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0answers
37 views

Headphones automatically mute when plugged

Since I've upgraded to Ubuntu 16.04 LTS I have the following problem: When I plug in the headphones they are muted and to resolve this I have to un-mute the "speaker" in alsamixer, as seen in the ...
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0answers
27 views

Firewire audio puzzle: works in Xenial but

It doesn't seem to be a variant of other questions on firewire. Basicaly, my FW Solo works in Ubuntu 16 with pulseaudio (playback only but it's ok for my needs). But... it has to be initialized by ...
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34 views

Sound not working on Hp Chromebook 11 G4 Ubuntu 16.04

I installed Seabios and then used usb to install Ubuntu Gnome 16.04 with no problems, I completely removed Chrome Os. I just realized while playing a game that the sound was not working. So my ...
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0answers
39 views

Setup USB Audio Headset

I can't seem to setup a USB audio device to play sound. I do not have any speakers currently setup, so this is the only way I can play sound. I'm currently trying to install a Dynex Cyber-acoustics ...
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0answers
26 views

'arecord' generating blank files with size 44kb

Linux c6a811x-evm 2.6.37 #1 Sat May 7 16:05:26 IST 2016 armv7l unknown The output of arecord -l **** List of CAPTURE Hardware Devices **** card 0: EVM [TI81XX EVM], device 0: AIC3X tlv320aic3x-hifi-...
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84 views

No sound in headphones. After change in mixer no saved setting

Haven't sound at front output and have sound only rear side In mixer stand mute at headphones for default and no saved, after changes and reboot ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: ...
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0answers
52 views

gnome-control-center missing options

I was having issues with microphone input and followed advice here to fix alsa-base. In doing so I have lost a number of options from gnome-control-center. Most people with the issue found that ...
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0answers
26 views

Problems with sound w/ HP elitebook 2540p

Hello people of AskUbuntu! I have installed the latest version of Ubuntu on my laptop, everything works perfectly apart from the fact that I have no sound! Ive tried the speaker test terminal code ...
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0answers
48 views

Audio Output being piped through audio input in Skype

As stated in the title, my audio output seems to be piped into my audio input, and I'd like to change this. (For example, if I am talking to someone on Skype, not only is what they say being piped ...
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0answers
32 views

no ALSA modules loaded

I've been trying to get the soundblaster audigy SE to work: I've managed to tell the kernel it's there. but because the alsa-project.org Matrix:Vendor-Creative_Labs tells me to load the 'old' oss ...
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0answers
547 views

Headphones not working in 16.04

I have spent some time searching around the various threads relating to headphone issues in Ubuntu and none of the answers seem to resolve my issue, so I will post it here. This problem started a ...
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0answers
195 views

Scarlett 2i2 & Ubuntu 16.04

I recently updated to Ubuntu 16.04, and am having some issues with my Focusrite Scarlett 2i2. It is not shown on System Settings/Audio, but Alsamixer shows it, even if it says "This sound device does ...
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136 views

Ubuntu 16.04 and Focusrite Scarlett 6i6

Ubuntu 16.04 can't see my Focusrite Scarlett 6i6 connection. Alsa mixer doesn't get any device. But on LiveCD Ubuntu 16.04 it works. Also full installation of Ubuntu 16.04 from LiveCD was without any ...
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0answers
24 views

My microphone goes to my own speakers not partner

I just installed Skype on Ubuntu 16.04. Now not only in Skype but also other applications like Firefox Hello I do hear my own voice (mic) on my own speakers (I have a headset). The microphone is not ...
1
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0answers
30 views

USB headset causes bizarre system behavior

I have a Sennheiser headset that causes bizarre system behavior when it is plugged in, including: Graphical corruption: all of the system text, such as the toolbar clock, shifts to a very different ...
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0answers
29 views

Installed Xubuntu 14.04 Trusty Tahr, Sound Problem, try everything on the internet

Hi, I'm noob like super Noob but i wouldn't ask without trying anything out there first and i have tried the sudo alsa-force-reload Not working I have tried changing the default output as well, ...
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0answers
52 views

what else can i try to get sound working in 14.04

i've installed ubuntu 14.04 on an old PC and the sound has never worked. I tried all of the tips in the link below since my "play sound through" also just says "dummy out". http://itsfoss.com/fix-...
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0answers
58 views

Control ALSA Volume on unity-control-center sound (not Pulse Audio)

I just managed to disable Pulse Audio to get free of its (frustrating) re-sampling feature. Everything is good with ALSA, except for I have to rely on alsamixer for volume control. Is there a way to ...
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0answers
26 views

Pulse Audio Configuration with Remote: Controlling Playback vs. Output Device

I've gone through less than a dozen installations of Ubuntu, Ubuntu Studio, Xubuntu and Mint, all 15.10, and have noticed what seems to be a random selection of what the OS decides for the remote to ...
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0answers
89 views

audio through ssh/get raw audio from pulseaudio

How to carry audio over SSH? was closed with a reference to pulsaudio, which is not what i am asking. How do I tunnel sound through ssh? I distinctly want a solution using ssh which would work on a ...
1
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0answers
77 views

xps 15 9950 ubuntu 14.04 no audio input

I am running 14.04 on an XPS 15 9950 (late 2015). The audio card is an HDA Intel PCH, the cpu is the Intel Skylake. My problem is that no audio input device is detected. running alsamixer and ...
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0answers
31 views

Fix speaker volume in alsamixer

I get bad sound quality while using Ubuntu. When I adjust the speaker volume in alsamixer it sounds good. But the problem is that volume level won't stay fixed. As soon as I change the master volume ...
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0answers
343 views

Ubuntu 14.04.3 startup slow ('dmesg': “self-detected stall on cpu”, maybe because of 'alsa-sink'?)

I am using Ubuntu 14.04.03 installed in vmware workstation 12. The bootup to the login takes around 20 secs, after which, the mouse and keyboard becomes unresponsive for 3 to 5 mins. After managing ...
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0answers
178 views

Audio system Realtek ALC 899 doesn't work on 14.04.3

I have a notebook (MSI GT72S 6QE Dominator Pro), on which I installed Ubuntu 14.04.3 LTS. It seems, that audio driver for Realtek ALC 899 downloaded automatically (for example file /etc/modprobe.d/...
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0answers
40 views

No sound icon in top panel in Ubuntu 14.04

Yesterday I bought an HDMI cable to connect my laptop to the computer, I changed the sound interface to HDMI and everything worked, when I tried to watch a movie with VLC I had to change the sound ...
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0answers
30 views

Sound muted and locked but still working

Just reinstalled ubuntu 14.04 on this computer. The sound is working perfectly in every application but it seems i don't have control from the desktop. I do have full controm from alsamixer. Top ...
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0answers
64 views

Audio problems on X1 Carbon, only Mono Audio

Thank you in advance for assistance with this. This issue is driving me a bit nuts, in looking for a resolution. I have Ubuntu 15.10 installed on the X1 Gen2. Latest updates applied. DKMS driver ...
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0answers
80 views

Ubuntu 14.04: Lag / Skipping when changing volume

Whenever the computer has been under moderate to heavy load, often using Chrome with many tabs and using Youtube, the sound will lag/skip for about 5 seconds whenever I change the volume. The video ...
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0answers
50 views

How can I record the sound I hear from my soundcard's “Line In”?

I am running Ubuntu 14.04 and I have a SoundBlaster Audigy 2 soundcard. When I plug a 3.5mm into the "Line In" on the soundcard, I can hear the sound coming out of my computer speakers. However, the ...
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0answers
90 views

How can I change the standard audio output device?

I use the pulseaudio-equalizer to improve my audio output. If I only use my laptop with its own loudspeakers I don't have any problems, the equalizer adjusts the sound and sends it to the loudspeakers....
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0answers
34 views

Speaker audio is not working, but headset audio is working

My laptop is a Thinkpad T410 and after using Ubuntu Studio, I've tried to reinstall Alsamixer and PulseAudio to no avail. I'm very confused as to why this problem suddenly appeared (i haven't updated ...