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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58
votes
5answers
69k 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 ...
4
votes
3answers
5k 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 ...
19
votes
5answers
33k views

How to change pulseaudio sink with “pacmd set-default-sink” during playback?

I need to switch the pulseaudio server of a currently playing audio stream. Pulseaudio server is set up with IP 192.168.1.105 $>cat /etc/pulse/default.pa ... load-module ...
25
votes
11answers
44k 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. ...
44
votes
7answers
51k 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. ...
35
votes
2answers
55k views

How can I change the default audio device from command line?

Ubuntu's desktop gui is great for changing audio settings (System->Preferences->Sound), like the default input/output device and setting the volume. However, I would like to be able to do these ...
8
votes
1answer
7k views

How can I apply a LADSPA plugin to a PulseAudio stream?

I want to apply a LADSPA plugin to everything that streams through the default PulseAudio sink. How should I set this up?
17
votes
15answers
92k views

No sound in Ubuntu except at log in

I installed Ubuntu 12.04 a month ago and am using it till now. I failed to notice that all this time there was no sound at all while running Ubuntu, even while playing a game in Wine. The weird thing ...
7
votes
2answers
3k views

How do I debug issues with Pulse Audio?

I have installed Ubuntu 11.10 in my machine. I have logged in as USER_A. My external audio device is a Headset and I was able to hear the audio properly. I need to join my Ubuntu machine to a ...
34
votes
1answer
34k views

No sound settings available in the settings manager window

Last night I decided to upgrade my system to the latest version of Xubuntu, 13.10. The process went fine, but now I'm facing this strange issue. There is no sound settings available in the settings ...
5
votes
2answers
8k views

How to make pulseaudio work again?

I was having problems with sound (mono only output), so following advice from another askubuntu question I made some edits in /etc/pulse/default.pa After rebooting I had no sound at all. So I deleted ...
13
votes
9answers
11k views

Flash in browsers does not play sound accurately using Pulse network audio

I use PulseAudio to send sound over the LAN to an audio server. When playing any Flash media in Firefox or Chrome, the sound flutters (example), as if the volume were going up and down every second. ...
21
votes
4answers
37k 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 ...
22
votes
6answers
26k views

How to temporarily disable PulseAudio?

Just wondering if there a way to temporarily disable PulseAudio as I am trying to run a specific Wine game (Left 4 Dead 2) and it makes the game crash occasionally. If I kill the process it ...
11
votes
2answers
7k views

Autoconnecting Bluetooth Devices

Is there a way to set the Bluetooth in Ubuntu to autoconnect to devices it is paired to when it is turned on. Furthermore, is there a way to automatically change the sound output to a Bluetooth ...
5
votes
1answer
10k 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 ...
2
votes
3answers
2k views

Audio suddenly stopped, pulseaudio reinstall has not helped? (14.04)

My audio suddenly stopped working in Ubuntu 14.04 whilst I was playing something off Youtube. I restarted and purged pulseaudio and alsa, reinstalled both and pulseaudio-equaliser as well (which I ...
17
votes
6answers
25k views

How do I set up live audio streams to a DLNA compliant device?

Is there a way to stream the live output of the soundcard from our 12.04.1 LTS amd64 desktop to a DLNA-compliant external device in our network? Selecting media content in shared directories using ...
17
votes
14answers
53k 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 ...
16
votes
5answers
49k 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 ...
5
votes
2answers
6k views

How do I forward sound from one computer to another over the Lan?

I have two computers. Computer A is running Ubuntu 11.10 with Gnome Clasic. Computer B is running Mythbuntu 11.10. Computer B has a sweet digital audio sound system. I want to play music from Banshee ...
2
votes
1answer
612 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 ...
3
votes
1answer
2k views

Accidentally changed Bluetooth mode to off

My Bluetooth device disappeared after I changed its mode from High Fidelity A2DP to off. Is this a bug? How can I get my speaker back into the audio menu? I tried disconnecting and reconnecting. But ...
4
votes
3answers
3k 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 ==> ...
36
votes
2answers
40k 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. ...
20
votes
3answers
35k views

Terminal command to set audio volume?

I have an external sound card which mostly works fine, except that when its first plugged in, or when I turn on my laptop, the volume gets set to 100%. That is, the overall system volume, as shown in ...
28
votes
8answers
5k views

How to automatically change volume level when un-/plugging headphones?

What I want is the following: When I plug in my headphones, I want the sound to be un-muted and set to a specific volume level. When I unplug my headphones, I want the sound to be muted (or set to ...
9
votes
1answer
11k views

How do I run PulseAudio in a headless server installation?

PulseAudio is the standard audio server in desktop installations. However in a server installation audio services and thus PulseAudio are not provided. How do I install and make use of PulseAudio in ...
10
votes
1answer
7k 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 ...
10
votes
1answer
9k views

What user settings control audio access?

Running a regularly updated 10.04 LTS we have a weird issue with access to audio with pulseaudio 0.9.22. Sound device is ATI Technologies Inc SBx00 Azalia (Intel HDA) Login user1 after reboot: sound ...
9
votes
2answers
45k 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 ...
1
vote
3answers
8k 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 ...
4
votes
5answers
7k views

Why are my speakers working but not my headphones?

I have Ubuntu 10.10 installed on my Asus G50VTX5. Sound works for the speakers but there's no sound from the headphones. Headphones are working fine in other devices.
2
votes
1answer
2k 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 ...
12
votes
10answers
11k 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 ...
8
votes
2answers
9k views

How can I use PulseAudio virtual audio streams to play music over Skype?

I'm trying to listen to the audio output of a specific process (A) and another process (B) while redirecting A's audio output to B's audio input. This would be the equivalent of playing music into ...
6
votes
2answers
6k views

Skype is not using pulseaudio

After fresh installing 13.04 at my HP ProBook I can have sound only in one application at a time. When I use Skype, there's no sound in Clementine, SMPlayer, etc. I tried to reinstall ALSA and ...
1
vote
4answers
9k 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 ...
9
votes
2answers
17k 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 ...
5
votes
4answers
2k 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 ...
4
votes
1answer
2k views

bluetooth headset connects but not showing in sound settings

I was able to listen with my BT headset, but suddenly, one day, it disappeared from sound settings forever! I've even re-paired my headset (and its connected already) but it doesn't have any options ...
10
votes
1answer
6k views

My sound stopped working today, how can I fix it?

This seems to be a problem with pulseaudio. I was logged in over VNC on my phone and started playing a video this caused X to crash (as sometimes happens). I restarted and suddenly the sound doesn't ...
8
votes
2answers
4k views

Why can't Skype hear me?

Since I upgraded to Ubuntu 11.10, Skype can't seem to hear me any more. It's not that it transmits poor quality sound, it's just silence. I've tried the echo123 service many times, and there's ...
3
votes
1answer
7k views

My fresh installation doesn't load. (PulseAudio problem)

I made a fresh installation of Ubuntu 11.10 beside an old W7 and another Ubuntu Installation. When I started my netbook and chosed the new installation to boot, it doesn't load and it stops in a ...
7
votes
2answers
9k views

How to change volume of pulseaudio playback-apps / -streams that aren't currently in use?

I can change sound volumes with "gnome-volume-control ". But there are listed only playback-apps / -streams that are currently in use. In "~/.pulse "-directory I found e.g. "*-stream-volumes.tdb" and ...
4
votes
1answer
571 views

How to play audio from different applications on different output devices?

How can I play music on my speakers while I use my headset for video chat applications like Skype? Shouldn't this be possible via this PulseAudio sound server that Ubuntu uses?
4
votes
1answer
3k 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? ...
1
vote
1answer
2k 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. ...
28
votes
2answers
45k views

How can I restart pulseaudio without logout?

Sometimes pulseaudio service stops and it doesn't restarts itself when I open an audio file with banshee or totem. How I can make it start again without logout?
10
votes
1answer
4k views

Is there a way of leveling/compressing the sound system-wide?

As a Laptop user, I'm sure that a lot of people, even the ones using Netbooks would have already gone through this problem. Especially when listening to podcasts, and using it as an example, the sound ...