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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1answer
1k views

Swap front panel audio channels only

Does anyone knows how to swap the channels of the front panel audio only. I found some solutions to swap left-right in general. But my problem is, that the output from the backward jack is correct and ...
0
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1answer
248 views

No sound over pulseaudio in 12.04

I today rebooted computer and suddenly had no sound over pulse audio. When I test sound in Sound Settings it works perfectly. But when I run totem, rhythmbox, flash or anything else there is no sound. ...
3
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2answers
5k views

Microphone not capturing sound on 12.04 Lenovo G580

In both Skype and the Sound Recorder application, I am not capturing any audio from my built-in microphone. I'm not sure why. Otherwise, sound output is working well. I have tried running gstreamer-...
3
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1answer
2k views

How to configure 5.1 Audio system for Realtek ALC861 sound card in UBUNTU 12.04?

I have already installed GNOME ALSA MIXER on Ubuntu. I did set all the parameters correctly. In Hardware settings, in the "choose a device to configure" section, it appeared as "Built in Audio - 1 ...
2
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0answers
260 views

PulseAudio Equalizer doesn't survive neither suspend nor hibernate

First time Ubuntu boots up it's fine. I can listen to the music and the sound is equalized. Then if I suspend the PC or let it hibernate then, after I have woken it up, the sound becomes plain. If in ...
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1answer
5k views

Headset undetected when plugged in

I have recently installed Ubuntu 12.04 in my machine which was running windows 7. I have been trying to configure the audio to work exactly as it used to work in Windows but never been able to do so. ...
1
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1answer
1k views

5.1 Subwoofer and Front center audio swapped (12.04)

Well, as the title says, my subwoofer and central audio are swapped. I tried, as a post said, to manually modify the audio channels in /usr/share/pulseaudio/alsa-mixer/profile-sets/default.conf. I ...
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4answers
1k views

SUDO and sound, how to make them work together

Basically inside a sudo session, even one emulating another none root user (sudo -u username command) there is no sound available. Inside a sudo session sound appears disabled. I need sound, how do ...
4
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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/...
2
votes
1answer
3k views

Logitech c270 webcam and Skype

I have recently purchased the Logitech c270 webcam to use for Skype. The video works perfectly, but the mic is useless. I have changed the input to the mic on system settings and pulseaudio, and it ...
7
votes
4answers
3k views

Script to Mute an Application

My goal is to be able to mute the Spotify application, not the entire system. Using the command: ps -C spotify -o pid= I am able to find the process ID of Spotify, in this case the ID is "22981". With ...
1
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1answer
220 views

How can I get multi-threaded sound back again?

My sound set up used to be able to handle sounds from different applications simultaneously. Currently, though, if one application is playing a sound, it takes exclusive control of the sound device. ...
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0answers
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
votes
1answer
132 views

Why does my sound device have 15 different profile options, and which do I want?

I have a computer acting as a sound server, managed by Pulseaudio. All computers on my LAN send sound to that machine. It has a Kenwood digital audio device connected to it. When I open pavucontrol ...
2
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0answers
29 views

Pulseaudio not responding, every program that tries to access it freezes [duplicate]

Possible Duplicate: What should I do when Ubuntu freezes? I recently installed 12.04 (32-bit) on a new PC build (ASUS Sabertooth-Z77 motherboard with Realtek ALC892 audio chipset). I have no ...
7
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3answers
2k views

How to redirect single audio channels to different devices?

I just bought a bluetooth stereo speaker and I had an idea: Is it possible to build a 4.0 audio system using my Bluetooth speakers as rear speaker and two normal cabled stereo speakers (or another ...
1
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0answers
94 views

Flash Games performance are slower after fresh install? [duplicate]

Possible Duplicate: How do I fix Flash issues? I installed 12.04 a week ago and everything was working smoothly: flash was working fine, I could watch HTML5 videos etc. Last night I was ...
7
votes
2answers
13k views

Sound Settings is missing all output devices [duplicate]

Possible Duplicate: My sound stopped working today, how can I fix it? I'm baffled by this discrepancy: This speaker test is successful: speaker-test -c 6 -D 'surround51:CARD=PCH,DEV=0' ...
0
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1answer
2k views

How to change audio input to output?

I have one audio output and two audio inputs on my computer. But, I have one microphone, stereo reproductors and headphones. In windows Realtek driver, I could simple change the audio input to output, ...
2
votes
2answers
2k views

How to use amixer to change the volume in pulseaudio?

I suspect that the volume of pulseaudio is off so I want to use amixer to turn it up from the command line. Can I do this? The amixer syntax is a bit confusing.
4
votes
3answers
3k views

12.04 Audio skipping occasionally

I'm having a problem with skipping audio on two different machines, both with up-to-date Ubuntu 12.04 Desktop installed (one 32 bit, the other 64) It doesn't happen all the time (maybe once per song ...
0
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1answer
1k views

Sound Troubles with 12.04 on Dell Latitude D420

When upgrading from 10.04 to 12.04 sound playback with internal speakers stopped working on my Dell Latitude D420 laptop. Before the upgrade I'd had intermittent problems with sound, mostly with ...
0
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1answer
514 views

Volume Control Stopped Working - always max voume

A few days ago out of nowhere I noticed my volume control stopped working. The audio itself works fine, but changing the volume does not actually do anything. Even if you mute it, it still plays all ...
2
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0answers
1k views

removing pulseaudio, moving to jack

I have installed jack because I want to use the LADSPA plugins available, in jackrack, for realtime audio processing. (I couldn't find any way to use them with pulseaudio) After much effort, I ...
12
votes
2answers
19k views

How to Pass/Record audio output as an input device?

I used to use a mixer of some kind and I can't remember which... I would like to record audio from the output, without leaving the computer. I remember in the Juanty days you could easily enable ...
1
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1answer
812 views

Can I play OGG or WAV files using PulseAudio?

I'm not totally clear on what pulseaudio does or how i can use it. For example, I have .wav and .ogg sound files that i need to play programatically (using c/c++). How can i use pluseaudio to do ...
5
votes
1answer
1k views

Should both Alsa and Pulseaudio be Installed?

I'm confused about Alsa and Pulseaudio. Should both be installed on my system at the same time? Do they conflict? If so, which one is better to have?
1
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1answer
653 views

Issues while running pulseaudio as a not-root user

If I run pulseaudio as a nonroot user (for example mpd starts it with user "mpd" or I start it with my user), random noises arises when I try to start or pause, change the volumes, or switching tracks....
1
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1answer
507 views

python ctypes and pulseaudio segfault after upgrade to 12.04

Today I finally took the plunge and upgraded my desktop machine from 11.10 to 12.04 using the upgrade process, not a fresh install. One of the first things I tested after the upgrade completed was a ...
1
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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 ...
5
votes
2answers
5k views

Getting Google Talk/Skype to Work with Pulseaudio

Google Talk/Skype will not transmit my voice. My microphone works in sound recorder, and i can see levels moving when I check sound settings in gmail. How do I fix this
1
vote
2answers
392 views

How do I get my sound card back?

I have been fighting an annoying problem with my sound set up for a while now, and it's suddenly taken a turn for the worst. I don't know if this situation is related or not, but I think it might be a ...
2
votes
1answer
3k views

How to switch back and forth between pulseaudio+alsa and alsa only?

I prefer using alsa only while I make screencast and do skype. Other times, I use pulseaudio/alsa. Is there a quick and easy way to switch between these two states on Ubuntu 12.04 desktop?
1
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1answer
3k views

Routing sound from different cards to a single output

I have a setup where I am monitoring for silence on an incoming stream on 3 different audio cards. When I detect silence on the master I switch to the secondary, and if I detect silence there I ...
3
votes
2answers
9k views

How to make pavucontrol changes permanent?

Because of skype sound issues I installed pavucontrol and I can change settings so the sounds work again with skype. I had to set both (recording&playback of skype) to "built-in Audio Analog ...
1
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1answer
5k views

Ubuntu 12.04 stereo duplex sound problem

Ubuntu 12.04; linux-kernel 3.2.0-27; alsa driver ver. 1.0.24 i have some problem with my HDA Intel ALC662 rev1. When i unmuting front mic in alsamixer, noise appear in my speakers in rear panel, but ...
0
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2answers
2k views

How do I get rid of this module-combine error in Pulse Audio

I've been having problems with my Pulse Audio server, and recently while investigating, I came across these error messages in /var/log/syslog: Jul 20 09:16:40 mythbuntu pulseaudio[6555]: [pulseaudio] ...
20
votes
17answers
83k views

Microphone is not working in Skype

I am using Ubuntu 12.04 and Skype. My mic is not working. I have 1 mic attached to the system and another one in my headphone (Beats by Dr. Dre). I followed these steps: Turn PulseAudio autospawn ...
5
votes
1answer
4k views

Ubuntu audio mysteriously stopped working (12.04)

Well, I've been a user of Ubuntu 12.04 LTS since April now, and it's been a very pleasant experience. I'm a big fan of electronic music, and I tend to have my tracks playing in the background while I ...
3
votes
2answers
4k views

Switch between speaker, Bluetooth stereo, Bluetooth mono

Using a bluetooth headset that does Stereo (out only), mono (in / out) and speakers. Switching between the 3 is a lot of clicks. What I want to do: - run Stereo either on Speaker or headset - when I ...
3
votes
1answer
5k views

How can I force a preferred sound output device to be used?

In my sound settings interface, there are two devices for sound output: Both refer to the same physical device, which is a network sound device. Both work, but only with the second one, ...
1
vote
1answer
6k views

How to use OSS instead of PulseAudio?

Sound was working fine with PulseAudio, but I installed something in order to try to get xawtv to work, but that just caused the audio to stop working. So I tried to install some packages to get OSS ...
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 ...
49
votes
8answers
60k views

Skype and VLC sounds sizzle/distorted/bad

I have the same problem as described in the questions skype notification sounds sizzled and bad sound on login to skype. But it is not only the login, notification, but also when talking to somebody. ...
2
votes
2answers
1k views

How to switch sound output with key shortcut

I like to switch the sound output from Speaker to USB headphone with a Shortcut. Is there a way to accomplish this?
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0answers
1k views

After reinstalling and restoring my /home files, I can't use the volume indicator [duplicate]

Some context: I just upgraded from Ubuntu 11.10 to 12.04, or rather reinstalled it, because I formatted the partitions and I made a separated one for /home. I backed up /home, and after installing ...
2
votes
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
votes
4answers
12k views

No Sound card detected in Sound Settings, although sound works

I have Ubuntu 12.04 installed on my laptop. When I go to Sound Settings while logged into my user, no sound card appears detected. In spite of this, the sound on my laptop is working ok, and I can ...
5
votes
1answer
3k views

Unable to make sound play in headset

Top right, I click the sound icon, select sound settings, and connect my USB-headset. I can them see the headset being detected as it pops up in the menu. I click it, and expect the currently played ...
3
votes
0answers
1k views

Is there a per-application volume control indicator?

There was per-application volume control applet for Gnome 2. There is a per-app volume control extension for Gnome-Shell. Is there any indicator applet for Unity like this two?