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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45
votes
5answers
54k 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 ...
23
votes
10answers
35k 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. ...
18
votes
5answers
27k 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 ...
43
votes
7answers
46k 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. ...
30
votes
2answers
45k 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 ...
17
votes
15answers
88k 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 ...
34
votes
1answer
32k 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
1answer
5k 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?
7
votes
2answers
2k 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 ...
12
votes
9answers
9k 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. ...
10
votes
2answers
6k 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 ...
20
votes
4answers
30k 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 ...
4
votes
1answer
7k 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 ...
16
votes
6answers
19k 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 ...
22
votes
6answers
21k 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 ...
15
votes
13answers
43k 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
2answers
5k 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 ...
5
votes
2answers
6k 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 ...
3
votes
1answer
1k 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
2k 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 ==> ...
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
9k 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
6k 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 ...
9
votes
2answers
43k 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
7k 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.
28
votes
2answers
30k 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. ...
10
votes
9answers
9k 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 ...
14
votes
3answers
22k 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 ...
5
votes
2answers
5k 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 ...
9
votes
2answers
16k 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 ...
8
votes
2answers
3k 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 ...
7
votes
2answers
6k 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 ...
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 ...
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? ...
2
votes
1answer
166 views

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

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 ...
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. ...
9
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 ...
10
votes
1answer
7k 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 ...
7
votes
1answer
8k 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 ...
4
votes
2answers
1k views

How to get a NI Traktor Audio 2 sound card work with Mixxx

I've got a NI Traktor Audio 2 sound card I'd like to get working with Mixxx, but I don't seem to have any success so far. The card seems to be supported in Ubuntu out of the box, and it seems to work ...
2
votes
1answer
199 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 ...
1
vote
3answers
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
1answer
5k 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 ...
4
votes
1answer
10k 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 ...
4
votes
0answers
632 views

Pulseaudio keeps getting killed in Oneiric [closed]

Since I upgraded to Ubuntu 11.10 (oneiric), my pulseaudio tends to crash a few times a day, if I'm listening to music on YouTube. It restarts automatically (as long as I'm using a Unity session -- it ...
2
votes
3answers
5k 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 ...
1
vote
0answers
41 views

PulseAudio channel map at run time

Could I map (Swap) the channel at run time. I am using the ffmpeg to record the both video and audio from two logitech cam/mic and bluetooth mic. Now currently at the starting of recording bluetooth ...
1
vote
1answer
15k views

How can I get line-in microphone working with Skype?

I've got a clean Lubuntu 11.10 install. In the days that I've used Microsoft Windows, I've used an external microphone for calling with Skype. The microphone was plug-and-play, and no drivers were ...
5
votes
2answers
4k views

Setting microphone input volume using the command line?

I have a USB mic I keep plugging into my laptop dock. When I drop into the dock I'd like the mic setup as my current audio input automatically. I do have a "I'm docked" script I run which sets ...