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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11
votes
2answers
17k 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
vote
1answer
717 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
vote
1answer
605 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 ...
1
vote
1answer
483 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
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 ...
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
370 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 ...
1
vote
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
vote
1answer
2k 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
8k 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
vote
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
votes
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] ...
17
votes
15answers
76k 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
20k 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 ...
46
votes
8answers
58k 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
924 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?
1
vote
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
772 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 ...
2
votes
4answers
11k 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?
0
votes
2answers
822 views

Getting Bose USB speakers to run through USB without crackling

I know there is a similar post here: USB Bose speakers with ubuntu 12.04 But it hasn't been resolved/answered and I've learned a little more about the problem, so I thought I'd start a new thread on ...
2
votes
3answers
6k views

How do I re-activate PulseAudio? (followed guide on skype.com)

I disabled PulseAudio to be able to use my microphone for Skype, and now the volume controls don't work, which I understand, is a common problem. I read that somebody fixed their Skype microphone by ...
33
votes
13answers
70k views

Sound from both headphones and speakers

I guess this question already had the answer here but I can't find it. I'm using 12.04. Update: The problem is that I can hear the sound from my laptop's speakers even I plugged in my headphones. ...
4
votes
2answers
10k 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
413 views

What is the differences between Ubuntu existing kernel vs rt kernel?

What is the differences between Ubuntu existing general kernel of 11.10 vs so called linux rt kernel? does audio delay depends on general kernel vs rt kernel? Where some audio capture looks like it ...
0
votes
1answer
413 views

how to stream to hdmi and Airtunes simultaneously pulseaudio

The ONLY reason I keep my Windows partition is because I can stream simultaneously from my desktop hdmi and one or more Apple Airport Express< I cannot get this to happen with Pulseaudio. It's ...
6
votes
3answers
6k views

How can I force the rediscovery of PulseAudio virtual sound devices?

I'm using the PulseAudio feature of network sound devices (not Multicast/RTP) to play sound from my netbook on the audio equipment connected to the HTPC when at home. This creates a virtual sound ...
2
votes
3answers
277 views

Which of VLC's dependencies causes sound device detection?

I am setting up a headless music server based on the minimal Ubuntu image. After having installed the packages openssh-server,pulseaudio, libmad0,flac,libogg0,libid3tag0,libvorbis0a,ffmpeg, ...
4
votes
1answer
11k views

After update, audio won't play through HDMI cable

Yesterday (June 7th) I faithfully updated a bunch of stuff through update manager (though I'm not sure what since I never read what I updated any more because I'm a bad person). Afterward, I ...
0
votes
1answer
1k views

TeamSpeak has everything muted in 12.04

Ever since the release of 12.04, TeamSpeak has not been allowing me to talk or hear. It shows that I have my speakers and my microphone muted/disabled. Could this have something to do with ...
3
votes
1answer
2k views

No sound from headphones on Samsung Series 7 Chronos ( NP700Z5a )

I know it's an old question, but I've gone through the FAQs on Ubuntu.com and can't find the solution. Speakers work fine - ie if I go to System Settings > Sound, the tests sound. As soon as I plug ...
5
votes
2answers
5k views

How do you use both Pulse Audio and Alsa?

Can someone explain the relationship between the different sound components and if they all need to be installed in order to get sound? For example, I have one called "Playback: ... (PulseAudio ...
7
votes
2answers
3k views

How to get sound in a separate X server in Ubuntu 11.04 or later?

I configured my Ubuntu system so that I'm able to start any application in a separate X server. Running games or for example XBMC in a separate X server has some major advantages. The problem ...
5
votes
3answers
6k views

Pulse Audio Volume Control Forgets Settings

In Input Devices tab port is set to Line In, I change it to Front Microphone, but it always returns back to Line In after restart. How can I change it permanently? I guess the reason is that when ...
7
votes
2answers
16k views

Step-by-step to run a midi keyboard input device? 12.04

I have a Korg Nanokey, and I'd like to make it produce sound in ubuntu. I've read that means I should be using Rosegarden, and that Rosegarden uses JACK, but does not install it. (Although checking ...
2
votes
3answers
4k views

No soundcard found 12.04 after kernel update

After newest kernel update I have lost my sound card. There is only sound via USB adapter. My headphones or speakers are working only through this device. The sound setting widget doesn't show any ...
19
votes
7answers
100k views

Get rid of 0.5s latency when playing audio over Bluetooth with A2DP

As described in the title I experience a half a second delay when playing audio over Bluetooth with A2DP. This makes watching movies not possible as the sound is not synchronised with the video. I'm ...
2
votes
2answers
9k views

Sound stopped working

I ran through the troubleshooting at https://help.ubuntu.com/community/SoundTroubleshooting It did not play the test sound, and it also does not play sounds during speaker-test. It does play sounds ...
5
votes
5answers
19k views

A2DP connection not shown in PulseAudio

I'm trying to pipe the audio ouput to my Belkin Z73 bluetooth receiver but once connected and paired with the key 0000 the receiver doesn't show up in PulseAudio. Furthermore the following command ...
0
votes
1answer
4k views

How do I configure my soundcard for 5.1 sound?

I am very new to Ubuntu and linux as I have used windows only until yesterday. I am attempting to send my audio signal to my pioneer receiver using a single digital optical cable which is plugged ...
2
votes
2answers
3k views

How do I get sound in Trine on 12.04 64-Bit?

Whenever I try to play Trine, it starts but I get no sound. In the terminal this error message appears: /o/g/trine> ./trine-launcher64 ALSA lib conf.c:3314:(snd_config_hooks_call) Cannot open ...
7
votes
1answer
18k views

Set default sound device output [duplicate]

I own a pair of usb powered speakers, and I am having trouble finding how to set the usb speakers as the default output. I found the setting where you can switch the outputs but no where to asssign a ...
0
votes
2answers
2k views

pulseaudio does not start after logout and login again

I am using Ubuntu 12.04. When I logout and login again pulseaudio does not start and I have to start pulseaudio manually. When I boot my computer and login, pulseaudio is starting as expected. This ...
2
votes
0answers
716 views

How to set 5.1 surround in the Sound Settings?

I have a logitech G35 headset which should allow even up to 7.1 dolby surround but the sound settings identify it as a stereo only device. I configured the /etc/pulse/daemon.conf by setting the ...