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

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101
votes
5answers
134k 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 ...
30
votes
4answers
78k 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 ...
10
votes
5answers
23k 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 ...
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 ...
7
votes
1answer
17k 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 ...
4
votes
7answers
18k views

Sound problem on both Speakers and HeadPhones

I know there are a lot of questions like this here, but I tried them all and I couldn't make them work. I have a HP dv6-2190ep laptop. My sound card is HDA Intel IDT 92HD75B3X5. My Ubuntu is 13.04....
16
votes
8answers
30k 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 ...
60
votes
4answers
91k 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. ...
6
votes
2answers
7k 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 ...
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 ...
48
votes
6answers
64k 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 ...
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 ...
5
votes
2answers
11k 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 ...
4
votes
5answers
15k views

Issues with Bluetooth Connections in 11.10

I'm having a couple of issues that I did not have in 11.04 or 10.10. The first issue involves connecting to my bluetooth headset. I am able to successfully pair and connect to my Samsung headset for ...
3
votes
1answer
4k views

How can I get sound on headphones without switching back to 'Speakers' manually?

On my Notebook (with Realtek ALC269VB) the sound over speakers works well until I plugin the headphones, Speakes get muted as expected but no sound on headphones. I noticed that as soon as I plugin ...
4
votes
3answers
4k 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 ==> /proc/asound/...
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 ...
1
vote
3answers
11k views

Adjust PCM volume?

The default sounds levels of master volume 100%, application/stream 100%, are too loud through my headphones. I can adjust applications or the master volume down, but if a new application makes a ...
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? ...
57
votes
4answers
23k views

How do you mute from the command line?

How do you mute the sound system from the command line?
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 ...
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
20k 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. ...
2
votes
5answers
11k views

No audio output devices detected in new computer build with Skylake (Z170) motherboard in 14.04

I'm guessing the problem is that my motherboard is very recent; it's a Gigabyte GA-Z170X-Gaming 7 using the new Z170 (Skylake) chipset. The output of lspci -v shows two "Audio device" blocks, but I ...
0
votes
4answers
3k views

ARCAM rPAC USB sound card not working on Ubuntu 12.04

I've just bought an ARCAM rPAC external USB sound device, and after a lot of hours spent, I just can't get it to work on Ubuntu 12.04 64bit setup. It uses a TI PCM5102 DAC chipset with Asynchronous ...
19
votes
3answers
24k 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
2answers
49k 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/...
4
votes
1answer
2k views

Getting SigmaTel STAC9227 front audio jacks to work [closed]

I run Ubuntu 10.10 on my Intel DG965RY. My front audio ports don't work in Ubuntu, the rear one does. I never got it working earlier when I had Ubuntu 10.04 but this time I am going to try it again. ...
3
votes
1answer
8k views

Get Creative soundcard working correctly

I am trying to get sound going on my fresh install of 10.10. I have a creative fatlity branded sound card. My ALSA information. Most things seems to be working out of the box, once I turned off my ...
2
votes
1answer
1k views

Lost audio after upgrading from 13.10 to 14.04

After the upgrade I've lost the audio output immediately: no hardware change ! With Kubuntu 14.04 Kernel 3.13.0-24-generic (#47-Ubuntu SMP Fri May 2 23:31:42 UTC 2014) - the audio doesn't work at all....
1
vote
3answers
4k views

SB X-Fi Surround 5.1 USB on Lubuntu

I'm having trouble after installing Lubuntu-desktop on top of a Ubuntu Server (64 bit). The problem is that I cannot get my X-Fi external USB soundcard to work without horrible hacks, and even then ...
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 ...
5
votes
2answers
13k views

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.
4
votes
1answer
3k views

How to split 7.1 soundcard outputs to 4 stereo outs with ALSA

I have a Xonar DX (CMI8788 driver) 7.1 surround sound card installed on my Ubuntu 11.10 system. I want to use the outputs of the card as 4 separate stereo outputs and I am struggling with ALSA to ...
3
votes
1answer
290 views

How do I enable CD-in?

I have a TV card that is connected to the CD-in (JCD1) connector on my mother board. However, I could not find a setting in pavucontrol to playback the sound from that port in Ubuntu. Am I just ...
2
votes
2answers
5k views

espeak returns error on ubuntu server

I want to use espeak on my server, so I can scare my girlfriend from work :) ubuntu 11.04 server. sudo espeak -v en "Hello i am espeak" Error: ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown ...
1
vote
2answers
980 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 ...
1
vote
0answers
56 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 ...
1
vote
2answers
14k views

No sound with HDA Intel PCH

I don't manage to get sound working on my Ubuntu 12.10. The output of my alsa-info.sh is located here. I would appreciate any help to fix this problem!
2
votes
1answer
1k views

Lubuntu 14.04 no sound, can't install pulseaudio

I have two PCs I've installed LUbuntu 14.04 on. On one sound is fine and pulseaudio was installed during the OS installation. On the other pulseaudio is missing, and there is no sound at all, not from ...
2
votes
1answer
956 views

Unexpectedly lost speaker output. Headphone output works fine [closed]

Yesterday when I opened my laptop I noticed that I no longer had sound from the built-in speakers. I carefully checked settings in Sound Preferences, and then dropped to shell and looked in alsamixer....
1
vote
1answer
1k views

Apply LADSPA filter to only one channel of multichannel output with Alsa and PulseAudio

I want to apply a filter, specifically SWH's glame-bandpass-iir, to only one of several output channels. I'm still stumped after looking at the examples listed below. I'm quite sure that module-...
1
vote
1answer
2k views

Analog stereo out on speakers and headphones

this sounds like a pretty dumb question but how can I get audio output on headphones and speakers? My motherboard is GA-G41M-Combo and doesn't seem to have any digital audio out, but 3 miniplugs ...
1
vote
1answer
3k views

No sound output (MSI K8N NEO4/CK804 AC'97)

I have a K8N NEO4 motherboard with a built in AC'97 sound card. It has a digital spdif output I wish to utilize. My reciever is a Denon AVR 1709 which supports afaik DTS/AC3 in 44100 & 48000 hz. (...
1
vote
1answer
116 views

ALSA Mixer settings won't save (Kubuntu)

Since I've been using Linux on my Macbook I've noticed that there's a red light constantly shining out of the headphone port on the left side of the machine. This doesn't happen on OS X, I've checked. ...
0
votes
1answer
6k views

Beats audio driver for hp dv6-7040tx

Here is the model of my laptop: http://www.gadgetsguru.com/hp-dv6-7040tx-lowest-price-spec-cheap-sale-india-15613.aspx As the specs say, it has quad speakers with a sub-woofer... When i was using ...
0
votes
1answer
178 views

Sound not working at all

After a bit of messing around including doing this: sudo add-apt-repository ppa:ubuntu-audio-dev/ppa; sudo apt-get update;sudo apt-get dist-upgrade sudo apt-get install pavucontrol linux-sound-base ...
23
votes
1answer
34k 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'...
17
votes
3answers
18k 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)...
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 ...