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

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Cannot adjust S/PDIF in alsamixer

I experience that no audio comes out of the HDMI port on my graphics card. I suspect that it simply does not support audio via HDMI, but I have not been able to tell from Googling. When I first ...
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8 views

Control Alsa in real time with external controller?

Okay so after hunting down old threads and questions, I feel it's best to just ask this and see if I can get some help. My question is how in the world do I control Alsa externally with my Korg micro ...
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1answer
63 views

Can't redirect stdout of `alsactl monitor`

When I run alsactl monitor, I see output as such when I adjust the volume: card 0, #24 (2,0,0,PCM Playback Volume,0) VALUE card 0, #24 (2,0,0,PCM Playback Volume,0) VALUE However, when I try to ...
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7 views

Auxiliary port not working (Ubuntu 14.04)

I recently installed Ubuntu 14.04 on my Alienware m14x laptop; it is my first experience with Ubuntu so I might be missing something simple here. All sound works fine coming through the internal ...
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1answer
30 views

after reinstall Alsa and Pulse Audio, system setting missing

I followed: HDMI is not displayed in the "Sound" settings on Ubuntu 14.04 LTS this article to reinstall alsa and pulse audio, because when using hdmi, the sound not work. I did: sudo ...
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0answers
12 views

Audio capture from multiple USB sound cards In Lubuntu

How do i capture sound from multiple sound cards simultaneously in lubuntu 14.04? At the moment I have installed Audacity but it can only record sound from a single device at a time. Is there any ...
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0answers
108 views

No sound over HDMI running 15.04 on NUC D54250WYK

After upgrading to 15.04, and maybe another update round, I can't hear any sound over HDMI. A sound device seems to exist: $ aplay -l **** List of PLAYBACK Hardware Devices **** card 1: PCH [HDA ...
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10 views

Alsa sound card question

I am trying to wade my way through the device tree concept. I have found on my platform that if I use a device tree overlay file for a particular sound module then perform the following on the ...
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14 views

Internal speakers not in output devices

Problem: My internal speakers aren't listed in the output devices tab resulting in no sound coming out of them. Just tested, headphones/headset also don't work. System does "see" sound card Things ...
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1answer
14 views

Alsamixer or Pulseaudio reverts PCM channel level to 100% in 14.04

Can anybody help me figuring out why every time I change volume with media keys, or restart my Dell E1405, the PCM slider goes up to 100%? How do I make it stay at 81% (which is one step below the red ...
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16 views

ALSA TEAC UD-501 [closed]

sound with ALSA and TEAC UD-501 is lagging. without asound.conf, it doesn't work. with this configuration: pcm.dac{ type hw card 1 device 0 } pcm.!default { type ...
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22 views

Audio capture from Stereo to USB sound card

I have a 4 channel stereo input to USB sound card that I have connected with a odroid-c1 sbc running lubuntu 14.04. I need to capture the audio from USB sound card. For this I had pulseaudio installed ...
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1answer
21 views

HDMI is my card 0

I am dual booting linux and windows 8 on a lenovo yoga 2 pro. My speaker volume isn't working but headphone volume works fine. Alsa controls my audio and the speaker volume is on. I found that my ...
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1answer
129 views

No sound out of Ubuntu 15.04

There is literally no sound, I've tried every solution online I could find. It start when I unplugged my Microphone. I've tried reinstalling alsa and pulseaudio, booting in different kernel, ...
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0answers
28 views

Ubuntu sound won't work after downloading necessary packages

I can't get the sound to work on my chromebook while running Ubuntu. I've done it on this very machine before and it's worked fine, but I had to do a powerwash and now the sound won't work, even ...
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1answer
11 views

Why is single_cmd Alsa option for debugging only?

According to Alsa documentation, single_cmd option is for debugging only : single_cmd - Use single immediate commands to communicate with codecs (for debugging only) NB: If you get ...
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101 views

No sound in Chrome browser on Ubuntu 15.04

There are various suggestions for how to fix this but they mostly involve installing or restarting pavu or alsa. The problem is sound works fine in Firefox and all my programmes except Google Chrome. ...
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66 views

more audio problems in 15.04

recent update has brought a plethora of audio problems. PC 15.04 x64, DESKTOP_SESSION=ubuntustudio -keyboard volume controls don't work anymore (known issue, IIRC) -Panel volume control on the ...
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29 views

Desperate with the microphone

for a few days I have been trying to get the microphone to work ( I need it to work with a specific program, called linphone). The problem is, I can record using either audacity or arecord, but when I ...
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0answers
50 views

Sound Problem: Output sound get fixed with Headphones only

I am using Ubuntu 14.04 (64 bit). After installing the default sound system worked fine. Last night I was watching videos on youtube plugging my headphone. Headphone also worked well. But when I ...
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55 views

ALSA soundcard intel ALC887 not working in Ubuntu 15.04

No way setting alsa mixer. This is my alsa-info output: https://docs.google.com/document/d/1bTCdTgeKBzJ1G7S3uqpuEtarc9THM_2E4UFGO9yyPMU/edit?usp=sharing Any help appreciated.
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26 views

Alsa sometimes fails to load at laptop startup

I've Lubuntu 14.04.2 LTS installed on my Toshiba L30-10T laptop. Sometimes, Alsa fails to load at laptop startup : I've no sound on my computer and I've to type sudo alsa force-reload one or two times ...
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11 views

Help setup alsa loop device

I have search the internet trying to find out how to setup an alsa loop device(s) in 14.04, however there is some many threads that are old or dead ends. Is there a way to do this other that using ...
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1answer
28 views

Fast user switching mutes my volume

Each time I log in to Ubuntu 14.04, using fast user switching, my volume gets reset to about 10% and muted. I have to unmute and slide the volume control back to where I want it. This even happens if ...
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97 views

alsamixer can see microphone, but pulseaudio doesn't

I've installed Ubuntu 15.04 on my Pixel LS laptop with a patched kernel (https://github.com/tsowell/linux-samus). Problem is - pulseaudio (pavucontrol) doesn't recognize the microphone. If I run ...
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1answer
26 views

No sound after login in 14.04

I have clean install of Ubuntu 14.04. I had some kind of freeze yesterday and after I rebooted the laptop I have no sound in system. But I do have sound on login screen - I hear the "banging" sound. ...
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2answers
19 views

How do I install alsa-lib from launchpad?

https://launchpad.net/ubuntu/+source/alsa-lib What do I click on to install that for Vivid Vervet?
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0answers
31 views

EasyNote mx45 Packard Bell - no Audio - mute/un-mute triggering infinitely

I installed Xubuntu in an EasyNote Packard Bell laptop. Everything works except the audio, the problem is that the volume icon flashes continuously, it seems that the issue is the mute/un-mute ...
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71 views

Ubuntu 15.04 fresh install @ Dell Inspiron 5000 - sound problem

My computer has 3 audio outputs: built-in, jack in the back (for speakers), jack in the side (for headphones). In my case speakers are always plugged, headphones are plugged occasionally. I've been ...
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22 views

Pulseaudio With SimpleScreenRecorder Problem

I just installed SimpleScreenRecorder to record my screens with audio. SSR is working smoothly. Only problem is my voices are not recording with pullseaudio as Backend! When I record audio using ALSA ...
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1answer
22 views

pulseaudio not running on nonstandard /home 14.04.1 LTS permissions errors

The issue that I am having with pulseaudio seems to be slightly different than I have been able to find, but I think I have an idea how to fix it. I have a dual boot Win7/Ubuntu laptop, HP ProBook ...
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28 views

Bluetooth music playback slow and choppy

How do you diagnose slow choppy sound playback with Bluetooth headsets on Ubuntu 14.04? My headset worked perfectly on 12.04, but after I upgraded to 14.04, I can still pair just fine and select the ...
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75 views

Realtek HD Audio Driver failed to build

I have Ubuntu 15.04 x64 running on a Gigabyte GA-Z87X-UD4H with Realtek ALC898. The audio works mostly out of the box and the device is detected as my card1 (card0 is IntelHDA). The problem I'm having ...
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118 views

Ubuntu 15.04 - Audio switches to Headphones after suspend, but there is no sound through headphones or speakers

Ok, so I have been getting a strange issue since I updated to 15.04. After a reboot, audio works fine through the speakers, and I'm able to plug the headphones in and it switches to them and works ...
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1answer
347 views

Sound problem in Ubuntu 15.04

I have installed Ubuntu 15.04 from a bootable pen-drive. When I start my machine, I get no sound on my headphone. To get around, I go to the terminal and type alsamixer and unmute the headphone from ...
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107 views

How to make speaking clock ( via cron and festival tts) work while playing music

I switched to linux since last 11 months,I am on ubuntu 15.04, I have learned to use cron for various tasks. I use Cron to announce time via festival tts(using mbrolla voice) hourly. This is the ...
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26 views

Change the value of 100% volume?

In the sound settings, the 100% value of my speakers volume seems a bit lower than it could be (in fact, on Windows it is higher) and I can go higher without affecting sound quality (actually making ...
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2answers
228 views

Audio Playing on Headphones and Speakers (Ubuntu 15.04)

I recently upgraded from Ubuntu 14.04 to Ubuntu 15.04. The upgrade went fine, except that now audio plays from the headphones and the speaker at the same time. My speakers are plugged into the ...
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2answers
42 views

I recently installed Ubuntu but I can't get any sound

So I recently installed Ubuntu, and there is no audio output with or without headphones plugged in, while playing music in the browser, music streamed from rhythmbox or while playing music on the ...
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0answers
68 views

After update 14.10 to 15.04, sound card problem

Dell inspiron 3138. Now in version 15.04, after the restart with a laptop connected to the headphones, the sound comes from the speakers of the laptop. Solve reconnect or change the settings in ...
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83 views

Audio jack output muting since 15.04 upgrade

Since I upgraded to 15.04, when I plug in headphones there is no output. I can get sound, but I must open alsamixer, un-mute and turn up the "Speaker" (which is listed as Speaker and Line out) AND ...
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1answer
29 views

Delayed system sounds

My SYSTEM audio is delayed, when I get a notification there is no sound, but there is a background buzzing that tells me the sound has become active. When testing sound I click Front Right all I hear ...
4
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1answer
47 views

Reuse front headphone jack as microphone jack

I have a Realtek ALC 882 internal audio device in my computer, which supplies three front jacks. The microphone jack is broken (can confirm this from Win7) and I want to use the headphone jack to ...
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1answer
79 views

No audio output using PCSX2

I recently installed EmulationStation and various emulators like KegaFusion, PCSX, PCSX2. All works fine, except for PCSX2. All works fine, except for the audio on PCSX2. I followed several guides, ...
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0answers
29 views

Microphone of MacBookPro8,1 running Ubuntu 14.04 not working

I am running Ubuntu 14.04 on a macbook pro. The internal microphone is not working now. When I connect an external headset with a microphone, the headphone(speakers) seem to work fine but the ...
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24 views

Mac mini late 2009 Ubuntu 14.04 since last update Sound problems

I have a Mac mini (late 2009 Model) with the following soundchip: 0 [NVidia ]: HDA-Intel - HDA NVidia HDA NVidia at 0xd3480000 irq 20 Codec: Realtek ALC889A My problem ...
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77 views

Audio output port always must be set to “Headphones” in pavucontrol to get sound

I've just upgraded from 14.10 to 15.04. Everything looks great, except that now when my headphones are unplugged, I get no sound out of my speakers. That is, until I run pavucontrol and set the "Port" ...
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1answer
26 views

LMMS maxes CPU and plays no sound

So I start LMMS normally, but whenever I hit Play it plays no sound and it's thread uses up the entire CPU. That plus the timing appears to move twice the speed of normal time. My audio output is set ...
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36 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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151 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 ...