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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4
votes
0answers
906 views

Digital Surround (HDMI) Output

I recently built a HTPC and installed Ubuntu 12.10 on it. It's a Shuttle XH61V with an onboard HDMI connection that I'm using to connect to the TV, which in turn connects to the speaker system (5.1). ...
3
votes
0answers
226 views

Broken Audio on Chromebook. Xbuntu

I have dual-booted my Chromebook with Xubuntu 14.04 and have found that the sound is broken. I have tried everyhting that has been mentioned on the internet. I have restarted pulse, uninstalled it, ...
3
votes
0answers
415 views

Can system event sounds be assigned in Ubuntu 14.04, rather than the default system sounds?

I was wondering if there is a way to use custom system event sounds in Ubuntu 14.04? The only settings available in the System Settings → Sounds tab is the default theme. If so, must this be ...
3
votes
0answers
273 views

Pulseaudio card-profile for Focusrite Scarlett 18i8

This is my first question here and I'm not quite sure what data to include for this question. Please ask me if you need me to provide more information. I recently got the Focusrite Scarlett 18i8 ...
3
votes
0answers
117 views

Make pulseaudio ignore USB sound card

I am running Jack to driver an external USB card (Focusrie Scarlett 18i8). When I plug the card in, pulse sometimes takes over the card and jack cannot be started (it needs exclusive access to the ...
3
votes
0answers
89 views

How to diagnose audio / sound problems

How can I diagnose audio / sound problems? Which informations should I provide to get help to identity the problem?
3
votes
0answers
363 views

Pulseaudio fails to run after disconnecting HDMI cable

After using a HDMI cable I lose the ability to control sound setting. The sound still works (I can play music or even watch videos and listen to them), but the speaker indicator is gone and I cannot ...
3
votes
0answers
585 views

13.10 headphones no sound

I've tried the alsa force-reload, uninstall, re-install with pulseaudio, killall pulseaudio, the sound setting output configuration, alsamixer enable/disable automute, alsamixer output selection. ...
3
votes
0answers
605 views

No sound after update on Ubuntu 12.04

As the title says, my sound has gone missing after an update with update-manager. I have found the solution before, but then had to reinstall Ubuntu. It can't even detect my audio card. Here is a ...
3
votes
0answers
839 views

sound recorder doesn't record

With Ubuntu 13.04 I noticed that Sound Recorder seems to be broken, i.e. I can't get it to record anything. When I press on the record button the Level input remains grayed out. When I open the volume ...
3
votes
0answers
4k views

play audio through bluetooth speakers in 12.04 using CLI

I have gone through the whole gamut of trials with setting up playing audio through bluetooth and have not been able to make it work reliably (i.e., got it to work one time, and has not worked after ...
3
votes
0answers
775 views

No PulseAudio in Skype Sound Devices choices, and microphone does not work…

I have a new re-install of Mythbuntu 12.04.2 LTS. When I installed Skype 4.1.0.20 and tried to use it, I found that under options/Sound Devices/, under the three (Microphone,Speakers and Ringing) ...
3
votes
0answers
411 views

Fuzzy audio when Skype makes sound

I am having trouble getting my sound to work properly in Skype. Every time Skype makes noise, all of my audio goes crackly, including anything else that's coming from other programs, even when the ...
3
votes
0answers
606 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?
2
votes
0answers
163 views

No option for 5.1 Surround through HDMI even with successful speaker-test

I recently set up a new HTPC on Ubuntu 14.04 LTS and the only option for audio (that works) is HDMI / DisplayPort but there is no dropdown box for 5.1 surround sound. I did a lot of digging and after ...
2
votes
0answers
50 views

pulseaudio recording feedback

When I rebuild pulseaudio (need to create a plugin) I have a bad speaker.monitor. It added null samples after each stop of a aplay command? Then the microphone are not anymore synchonous. I did not ...
2
votes
0answers
149 views

How can I record audio in & mic in as 1 channel in Audacity?

I am trying to record my podcast, which I do using Google Hangouts & Audacity. I recently switched from Windows 8.1 to Ubuntu. In Windows I was using the software Virtual Cable ...
2
votes
0answers
452 views

USB sound card input (Xonar U7)

I have an Asus Xonar U7 usb sound card and it works except for the microphone input which isn't recognized at all by pulseaudio. The "Input" tab in the sound settings is completely empty. I've tried ...
2
votes
0answers
193 views

gstreamer pulseaudio echo cancellation

I'm implementing a voip application using gstreamer, i use the example of the rtp in the plugin-good! i want to implement echo cancellation, i couldn't use the speex echo canceller with gstreamer ...
2
votes
0answers
2k views

Logitech headset USB not working properly on Kubuntu 14.04

I have a Logitech USB Headset. It worked fine on Kubuntu 13.04, 64 bits, but not on Kubuntu 14.04, 64 bits. When I plug in the headset, Kmix does not show it on the master channel window (Right click ...
2
votes
0answers
238 views

Pulseaudio randomly mute itself without a reason

I recently installed fresh Ubuntu 14.04. I've got external audio card Audiotrak Maya U5. It always worked fine until new Ubuntu. Music randomly get muted and there's no visible changes in sound ...
2
votes
0answers
391 views

Pulseaudio: combining sinks results in having an LFE channel that uses the centre speaker

My goal is applying a low pass LADSPA filter on my subwoofer only, which is part of my 5.1 sound system, in Pulseaudio. I used the following commands: Loading the plugin: pacmd load-module ...
2
votes
0answers
114 views

Why are there two sink input index generated by pulseaudio?

I'm planning to spawn a thread as I detect a new sink input index in pulseaudio. But when I run some application, I find out that a second sink index for same client is created. The system spawns a ...
2
votes
0answers
272 views

No HDMI sound with Intel

I've a problem which bothers me for days: The audio output via HDMI does not work anymore since I updated to Ubuntu 13.04 (it worked perfect with ubuntu 12). A few datas: **cat /proc/version** ...
2
votes
0answers
107 views

How do I activate PulseAudio when only being logged in via ssh?

I am using a console-based music player, called cmus. It is in the repositories. If I ssh into my desktop computer from, say, a laptop and start cmus, I would like to be able to play music. But, if ...
2
votes
0answers
409 views

pulseaudio --kill permission denied? (Something's using my soundcard and I don't know what it is.)

So, a few weeks ago I was having problems with skype and pulseaudio/alsa things, so I went to this link and found a way to supposedly kill and start pulseaudio at will. So, in etc/pulse/client.conf, I ...
2
votes
0answers
138 views

How can I let somone over ssh have access to pulseaudio?

I recently had a really good post here where I was able to figure out how to setup virtualgl and use it with X11 forwarding in ssh. I am using it to make a kind of multiseat setup. I only have one ...
2
votes
0answers
649 views

External Mic not always recognized

although this sounds similar to many previous bug reports, I couldn't find an answer in the other threads. I have a Samsung serie 9 laptop with a single audio connector for headphones/mic. I am using ...
2
votes
0answers
174 views

Splitting audio channels using pulseaudio

My mission is record desktop using avconv (ffmpeg) + record microphone input + use sphinx program which also need the same microphone for voice control. Now, the problem is that if I start sphinx ...
2
votes
0answers
191 views

Activating USB audio with /etc/pm/sleep.d script that runs pacmd commands

Ubuntu annoyingly switches the device for audio input and output from my USB headset to the built-in sound card every time I log out, hibernate, or shut down my computer. This takes place even though ...
2
votes
0answers
2k views

Asus Sonic Master on Asus N53SV

I have read that there's a problem to get the subwoofer working in these laptops. I tried this solution No sound from external subwoofer but I don't how to prove that the subwoofer is properly ...
2
votes
0answers
187 views

How can I connect my Kubuntu 12.10 to a different pulse audio server?

I have configured my PC as pulseaudio server. Now I want to connect my Laptop (Kubuntu 12.10 quantal) with this pulse server. In earlier versions there was the "padevchooser", which could be used to ...
2
votes
0answers
292 views

No bass on my laptop

A have a laptop (Acer) with two front speakers and subwoffer (Acer Tuba). After upgrading to 12.04 only front speakers are working, no sound from subwoffer. There is no 2.1 configuration on Sound ...
2
votes
0answers
203 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 ...
2
votes
0answers
365 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
0answers
883 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 ...
2
votes
0answers
755 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
0answers
555 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 ...
1
vote
0answers
10 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 ...
1
vote
0answers
98 views
+50

No sound in xubuntu 14.10

having some curious problems with any audio playing from my new lenovo y50 laptop. I did a stock install of xubuntu as the only os on this machine. Haven't really tinkered with anything other than ...
1
vote
0answers
27 views

Internal microphone becomes unavailable when plugging in headset

Upon plugging in my AKG headset, PulseAudio automatically changes to the external microphone. However, my headset has no external microphone, and I want to use my laptop's internal microphone - but it ...
1
vote
0answers
32 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 ...
1
vote
0answers
43 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 ...
1
vote
0answers
52 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 ...
1
vote
0answers
137 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 ...
1
vote
0answers
62 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 ...
1
vote
0answers
57 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: ...
1
vote
0answers
59 views

How to use ubuntu as a bluetooth headset to the mobile phone?

I know how to connect bluetooth headset to Ubuntu, so I can e.g. speak with Skype remotely. Now I have the opposite question: How to turn Ubuntu into a sophisticated headset, that can record both ...
1
vote
0answers
32 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
1
vote
0answers
45 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 ...