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
1k 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
38 views

Usb mic isn't working in an Ubuntu 14.04.3 live session

Issue: Recently, I created a bootable, persistent usb with Ubuntu 14.04.3 LTS. When I boot into a live session, (try Ubuntu feature) my usb mic (blue snowball) doesn't work. I can't get any sound ...
3
votes
0answers
97 views

How do I simulate microphone input?

I want to, when in a skype call and gaming, use a soundboard to play sounds that can come in hilariously depending on what is happening. I already have this system in place, but it depends on a ...
3
votes
0answers
87 views

Automatically switch headphones/speakers

In the sound settings I have "Line-Out" (connected to speaker) and "Headphones" (front panel of my desktop) audio outputs. When I select "Headphones" I have sound in headphones and also sound in ...
3
votes
0answers
220 views

Pulseaudio per application volume for module-combine-sink

I have two stereo sound cards and I'd like to create virtual 4.0 sink to use 4-channel audio. I'm using following pulseaudio configuration: load-module module-alsa-sink sink_name=output1 ...
3
votes
0answers
62 views

PCI Soundcard to function

I've installed a PCI Soundcard, and it seems like Ubuntu is recognizing it, I'm able to see it in alsamixer but when I go into the Ubuntu sound settings I can't get any sound. I've tried a few ...
3
votes
0answers
113 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 ...
3
votes
0answers
163 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 ...
3
votes
0answers
496 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
424 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 ...
3
votes
0answers
185 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
150 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
551 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
629 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
699 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
949 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
450 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
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?
3
votes
0answers
755 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 ...
2
votes
0answers
24 views

Headphones randomly turn off and music dies

I have been experiencing a strange problem with my Nokia BH-503 Bluetooth Headset. I will be listening to music or watching YouTube or something and Randomly the audio will just cut out and all videos ...
2
votes
0answers
48 views

Bluetooth audio doesn't work - Ubuntu Gnome

I'm having problems regarding a bluetooth speaker. It does connect with the system, in the bluetooth setting I can see that the device is connected, but I can not see the option to select external ...
2
votes
0answers
40 views

Pulseaudio microphone

I am using Pulseaudio to stream audio between two PCs running Ubuntu, with one set as sender and the other as receiver. I want to be able to stream microphone data whenever i start Pulseaudio, but if ...
2
votes
0answers
96 views

Audacity Keeps Crashing

I'm running the latest version of audacity and the playback keeps crashing when I try to pause it. Ive seen elsewhere on line that this is a bug and that there are workarounds for it but i cant seem ...
2
votes
0answers
18 views

Recording of training video call

Ubuntu 15.04 (soon to be 15.10). we will be doing some video conferencing training calls soon and would like to record them. I believe this can be done using Pulse Audio Control and ...
2
votes
0answers
32 views

Remember which audio device to use for which application?

I have a Python program which uses OpenAL for audio. I'd like the audio coming from that program to be heard from HDMI speakers, not built-in speakers. I can use Pavucontrol (Pulseaudio GUI) to ...
2
votes
0answers
50 views

Sound not working; no devices show up; only for my user

earlier today I tried to make my Asus SonicMaster subwoofer work on my laptop, and succeeded. However, that was after some trial and error of messing around with some sound settings. The issue now, is ...
2
votes
0answers
66 views

Where's device file of the sound card?How can I play by C

In /dev, I just find /dev/console, rather than /dev/dsp, /dev/audio, etc., which friends told me the device file of sound card in Linux. Now, I want to play music and change the volume by C in Ubuntu ...
2
votes
0answers
914 views

14.04 bluetooth lag (latency, delay) and skipping

i came across: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/405294 Pulseaudio not detecting bluetooth headset automatically How to get a consistent bluetooth audio playback? (didn't ...
2
votes
0answers
118 views

USB speaker not detected

I am connecting an USB speaker but it the speaker gets detected on USB buts gets rejected after a while. However it works in Fedora [ 9548.214066] usb 5-3: new full-speed USB device number 19 using ...
2
votes
0answers
123 views

No sound from Headphone Jack on an Asus G46vw

Suddenly my headphone jack has stopped working. I believe it happened after an update. It worked for a long time previously. I've searched everywhere looking for known issues before posting this, and ...
2
votes
0answers
456 views

Ubuntu 15.04 Headphone not detected

I have exactly the same problem : No headphones audio in Alienware 15 laptop I also have an Alienware 15. Everything works great with Ubuntu 15.04 ... Except wifi and headphone ... There is no sound ...
2
votes
0answers
68 views

Audio through iec958 super quiet

I've tried a lot of things I can find, but nothing helps. Problem in Ubuntu 14.04: Audio plays fine through HDMI, but not through s/pdif. When I unlock and raise the left front or right front ...
2
votes
0answers
279 views

alsamixer can see microphone, but pulseaudio doesn't

I've installed Ubuntu 15.04 on my Pixel LS laptop with a patched kernel (https://github.com/tsowell/linux-samus). Problem is - pulseaudio (pavucontrol) doesn't recognize the microphone. If I run ...
2
votes
0answers
221 views

Bluetooth music playback slow and choppy

How do you diagnose slow choppy sound playback with Bluetooth headsets on Ubuntu 14.04? My headset worked perfectly on 12.04, but after I upgraded to 14.04, I can still pair just fine and select the ...
2
votes
0answers
431 views

Ubuntu 15.04 - Audio switches to Headphones after suspend, but there is no sound through headphones or speakers

Ok, so I have been getting a strange issue since I updated to 15.04. After a reboot, audio works fine through the speakers, and I'm able to plug the headphones in and it switches to them and works ...
2
votes
0answers
215 views

How to make speaking clock ( via cron and festival tts) work while playing music

I switched to linux since last 11 months,I am on ubuntu 15.04, I have learned to use cron for various tasks. I use Cron to announce time via festival tts(using mbrolla voice) hourly. This is the ...
2
votes
0answers
368 views

Ubuntu 15.04 application audio status bar widget

I am looking for a widget that would reside in the status bar of my Ubuntu 15.04 install. There is currently the standard volume control which controls the master volume. What I am looking for is a ...
2
votes
0answers
351 views

How can I forward the audio output of my Ubuntu desktop to another (Debian) machine?

(Full disclosure: I've asked a question on the Pi side of this process over on the Pi StackExchange.) I have a Raspberry Pi (with OSMC, so practically Debian) that I want to leave on permanently, and ...
2
votes
0answers
287 views

PULSEAUDIO does not list my ALSA capture device as a capture source

I have recently written an ALSA driver for my audio capture card and I have problems with PulseAudio recognising it as an capture source. Here are some facts and hopefully one of you experienced this ...
2
votes
0answers
718 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
286 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 ...
2
votes
0answers
851 views

Unable to open shared libasound library, despite file existing

In attempting to revisit my childhood and play Sid Meier's Alpha Centauri again on Linux (something which I accomplished successfully a few years back), I've run into a stubborn error. The Loki port ...
2
votes
0answers
512 views

Pulse Audio EQ Alternative

I have been using ubuntu 14.04 around 3 weeks as my primary os. I'm really into music, i'm using lmms etc. If i install this eq, it messes up my auto switches between hdmi and audio out and sound is ...
2
votes
0answers
2k views

Pulse audio problems if I start its mixer/controls `pavucontrol`

I have a very strange problem in a fresh installation of Ubuntu 14.04. Audio output/input works fine in all programs, but if I open the Pulse mixer/controls pavucontrol (for example, from the sound ...
2
votes
0answers
1k 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
490 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
3k 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
836 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
607 views

HDMI audio not working on NVIDIA nForce 780a chipset

I am on Ubuntu 13.10 with an AMD Phenom II X4 processor and nForce 780a chipset. I do not have a video card installed. When I use the built in hdmi port, I get good video, but no audio, even after ...
2
votes
0answers
135 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 ...