Questions related to PulseAudio, the default sound server in Ubuntu, which manages all audio devices like internal and external sound cards (and therefore all speakers, microphones, headsets, etc.) through its ALSA backend.

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16 views

Ubuntu 14.04.2 Audio failure

I am running Ubuntu 14.04.2. This is a new installation, but I was able to play audio through speakers or headphones yesterday by selecting the desired output in the Sound|Output dialog. Today, I ...
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21 views

Silent audio in vlc, ubuntu 15.04

When skipping trough videos in vlc by clicking on the timeline the audio sometimes goes silent. I can sometimes bring it back by clicking around on the timelime, or restarting the audio track. I'm ...
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30 views

No sound from Headphone Jack on an Asus G46vw

Suddenly my headphone jack has stopped working. I believe it happened after an update. It worked for a long time previously. I've searched everywhere looking for known issues before posting this, and ...
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29 views

Have to reapply settings via PulseAudio control every time I restart for headphones to work

When I installed Kubuntu 14.04 headphones didn't work. So I installed Pulseaudio Volume Control GUI app for KDE and I have to change where it says Built-in Audio Analogue Stereo to Headphones ...
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47 views

sound card not recognized in ubuntu

My inbuilt soundcard was not working well(no bass sound,voice screeching) Testing: Speaker:working well with mobile devices Headphones:screeching sound Before I had Windows 7 : Got the screeching so ...
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43 views

Digital audio does not work

I am having problems getting S/PDIF and HDMI audio working on Ubuntu 15.04. The S/PDIF output shows up in "System Settings > Sound", but no sound is outputted. The HDMI output does not show up. I ...
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37 views

Ubuntu MATE: If no sound is playing it will automatically mute

Hi iam have Ubuntu MATE 14.04 on my Notebook, which has physical buttons for volume control (+, -, mute). Whenever plays no sound mute indicator turns red and it will play something like beep (not ...
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85 views

How to reset sound and bluetooth settings on Ubuntu 14

When I was using Ubuntu 12.04, sound with a Bluetooth headset worked perfectly. After turning on the headset, it would autoconnect and the sound manager would automatically switch to it in ...
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89 views

Microphone refuses to work (Kubuntu 15.04)

I have a headset that has a built in microphone (these), with a single line that is supposed to connect to the computer via the headphone jack. I've tested ti on my android phone, and it can record my ...
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33 views

HDMI tone output not working with PC audio but with test audio

just at the beginning: I'm not good in using Ubuntu (i've been using it for app. one moth) so please do not give me any unexplained instructions. Please do give me detailed information what i have do ...
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56 views

Sound not working in Ubuntu 14.04LTS

i have installed ubuntu 14.04 LTS with windows 8 in different partitions. Sound is not working in ubuntu. I checked all answers for all similar questions but nothing helped. I have an asus n-550jk ...
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160 views

Lenovo G50-70 Microphone Doesn't work with Skype/Hangouts on Ubuntu 15.04

I have not tried this on other versions of Ubuntu, I tried calling through Skype and Hangouts, but the problem persisted- No Sound was emmited. I increased the values of the input device tab and the ...
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21 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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239 views

Only analog sound device in 15.04, HDMI device was accessible before

as the title suggests I can't choose HDMI audio output anymore, the only available sound device is analog. I could choose HDMI audio output before, but now it is missing.
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51 views

My laptop doesn't show the HDMI among the sound output options

My laptop doesn't show the HDMI among the sound output options, so I was trying to find a way to play sound through HDMI. I found this answer on the question "HDMI is not displayed in the “Sound” ...
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5 views

when using pulseaudio, internal sink not selectable

using unity-control-center/sound, there is only a selection for the HDMI audio output, not for the internal sound. the internal sound has jacks on the back of the mother board. What do I need to do ...
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36 views

How can I delay sound in the system?

I use some private internet video broadcasting and it comes sometimes with a delay. Also, projector that I use also adds a delay to the video. So, I'd like to delay sound a bit in order to put sound ...
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58 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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25 views

USB audio input is recording too slow, playing back too fast

There is a thread that explains how this happens, and what fixes it, but they did not show how they fixed it. Any information would be much appreciated. Here is the thread USB Audio Input recording ...
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70 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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232 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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51 views

Re-compiling PulseAudio

I'm having an issue getting PulseAudio re-compiled. I decided to recompile to try out the WebRTC echo cancellation as well as get access to the equalizer. I'm not doing anything crazy here, I simply ...
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54 views

Can't change volume in Ubuntu 14.04 | Always Maximum

Fresh install of Ubuntu 14.04. This is on an old & faithful HP 32bit System, one of the friendliest Linux Laptops I've ever owned. Currently, I can't get the volume to work (using Unity). It's ...
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224 views

Ubuntu 15.04 application audio status bar widget

I am looking for a widget that would reside in the status bar of my Ubuntu 15.04 install. There is currently the standard volume control which controls the master volume. What I am looking for is a ...
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43 views

Poor sound quality from the headphone jack

I am on ubuntu-14.04. The headphone port was working fine before but since a few days its behaving abnormally. But when I test the sound settings of my headphone drivers the test voice is crystal ...
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45 views

On reboot headphones 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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86 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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94 views

Simulate Universal Bootloader (DAS U-BOOT) with Qemu

I was trying to simulate u-boot with qemu for the ARM based versatile_pb board. I was successfully able to CROSS_COMPILE my u-boot source code with the gcc-linaro-arm-none-eabi-toolchain and create ...
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251 views

14.10, 15.04 - HDMI audio not working on Dell Vostro 3750 - nVidia card not detected by aplay -l

Summary: Sound card on nVidia is not detected by ALSA so even though video works on HDMI, no audio plays. It is detected in pci. How can I get ALSA to detect the nVidia card? Output of aplay -l ...
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98 views

How to use alsamixer for line in microphone input?

I'm new hear and I am trying to get my computer to work with a microphone for input audio. I am using the line in 3.5 mm jack for the microphone, not a usb. I am using Xubuntu version 12 on a desktop ...
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130 views

How to configure 2.1 speakers?

I have a 2.1 speakers system that was working fine on Windows 7. I just installed Ubuntu 14.04 LTS and now just the front-left and front-right speakers are working. The subwoofer is not working. In ...
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19 views

Sound permissions not persisting after reboot

I just upgraded from Ubuntu 12.04 to 14.04 I am having an issue with sound. It seems to be a permissions problem. When I use the command below sound works with no problems. sudo setfacl -m u:lt:rw ...
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90 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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165 views

No sound on my inspiron 14 3000 series

This is my alsa info script output http://www.alsa-project.org/db/?f=8fa1ca353d9e49e9c2b5bbcc6f0bb2f2251c0c2c After update my laptop suddenly lose it's sound. I've been tinkering with whatever ...
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33 views

Problem with audacity

I'm recording Teamspeak conversations via audacity for a Let's Play. The recording sounds kind of slow, as if it was a tape, running on low battery. Very much like in this post: ...
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54 views

Analog Output vs Speakers

These are two outputs I can choose from which to play under sound settings. Analog output does not output to my built in Sub but the other does. What is the difference between these two? And how can I ...
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102 views

No Sound & No Pulse Audio Control on Fresh 14.10 Xubuntu Install on Dell Latitude E6420

I just did a fresh install of Xubuntu 14.10 on my Dell Latitude E6420. Unfortunately there is no sound and no pulse audio control panel. When I click on "Sound Settings", the dialog opens and says ...
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138 views

How do I stop my speaker from POPPING when I plug and unplug my headphones?

my laptop speakers pop very loudly every time I plug in or unplug my headphones. I followed the suggested advice of disabling Auto-Mute Mode in alsamixer, and voila, no more popping. HOWEVER, now I ...
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42 views

Strange ALSA/Pulseaudio Bugs

I have some serious issues with my sound on my xubuntu 14.04. Every 2-4 seconds my sound makes some noises. The volume bar in the top right won't stop showing volume changed to 100% and within 0,5sec ...
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21 views

“Failed to start session” after uninstalling PulseAudio

I had downloaded and installed PulseAudio, as I read that it could possibly work with 14.04; it didn't. I uninstalled it through Synaptic Package Manager, then while uninstalling, icons started to be ...
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56 views

(practically) No Sound in Ubuntu 14.04.01

I have this weird problem, I got no sound in Ubuntu. Only when I plug in and out the AC adapter to my laptop does a beep sound come from speakers. In this short period of time as it beeps, the other ...
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83 views

Slow volume fade-in when playing audio tracks

I have a system running fresh installed Ubuntu 14.04.1 When a music track starts to play, the volume is gradually increased. It takes about 2 seconds to hear anything and 3 seconds to reach full ...
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160 views

External subwoofer not working Asus N76VM

I have installed the latest Ubuntu [14.04 LTS] on my Asus N76VM laptop. The subwoofer was not working at all at this stage. I have followed the next steps: Added in /etc/modprobe.d/alsa-base.conf ...
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268 views

My Sound Card Stopped Working - Message: Dummy Output

I'm using Ubuntu 14.04 LTS, and suddenly my sound stopped working! When I go to sound settings appears that my sound card is a dummy output - just like that! Use a Dell Latitude 3440 without HDMI and ...
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137 views

How to reduce streaming Pulseaudio output using Rygel?

I followed this procedure to stream my Pulseaudio output into a dlna device (A Samsung TV) with Rygel : https://wiki.gnome.org/Projects/Rygel/Pulseaudio It's working, but, I have a latency around 40 ...
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150 views

ubuntu stream microphone to dlna in near real time

I want to use 14.04 to stream LineIn or microphone out to my cinema-theather, I used this tips: ...
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71 views

possible to route audio to two soundcards in ubuntu 12.04?

Wondering if it is at all possible to route one audio stream from an application to two different hardware sources? I have 2 sound cards. Using Ubuntu 12.04
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78 views

Record from two ports of the same source simultaneously with PulseAudio

After a lot of searching and finding nothing which seems to be of any help, I came here to ask help from someone smarter than me. I need to record 2 audio feeds simultaneously. The one is from the ...
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24 views

How do I PERMANENTLY add gain to front center audio track only?

After YEARS of not being able to find an answer as to why certain videos had background music drowning out voices, I finally got an answer, kinda. For reasons that I have long since given up on ...
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248 views

USB audio device not fully working after hotplug

Since upgrading (from 12.04) to 14.04.1, when I hotplug my USB headset, it does not work right. It won't show up in capture controls, sometimes not even in playback devices. I have to fiddle with ...