PulseAudio is a sound system for Linux and other UNIX systems.

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PulseAudio naming a device

I found the Question and answer: How can I use PulseAudio virtual audio streams to play music over Skype? I am currently using the command pactl load-module module-null-sink sink_name=Virtual1 to ...
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1answer
2k views

How do I resolve the garbled sound in Debian?

I just recently installed Debian 7 Wheezy with KDE and once I turn on the computer, the start-up sound is garbled. The closest description I can think of is that the sound coming out is somehow ...
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116 views

Allow audio from only one application

I'd like to only allow audio from a certain application. That is, I'd like to have audio turned off by default for new programs. I'm aware that in PulseAudio one can mute programs, but the problem ...
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1answer
3k views

Sound volume control does not work in Ubuntu

My sound volume control does not work when I'm logged in with my regular user, though the sound works correctly. What's weirder is that the sound control works when I'm logged in as guest. With my ...
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1answer
1k views

Endless pulseaudio error logging: failed to acquire autospawn lock

I have an issue with pulseaudio logging error messages in a loop and wonder how I can fix them: Aug 7 20:22:17 s pulseaudio[25638]: lock-autospawn.c: Cannot access autospawn lock. Aug 7 20:22:17 s ...
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1answer
530 views

Why do people dislike PulseAudio? [closed]

I've heard a ton of crap about PulseAudio on the internet. People even discriminate against systemd simply because it was created by Lennart Poettering. Are there any technical reasons why PulseAudio ...
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1answer
4k views

How to Pair BOSE SoundLink (Bluetooth) using Pulseaudio in Linux Mint Debian Edition?

Been having problems with pairing and maintaining conected my bluetooth speaker, finally after reading and reading, found some steps to achieve it. Please read ahead.
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2answers
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Alsa - how can i tell my default audio output is card 2 and device 0, not hdmi?

how can i tell my system default sound output is card 2 and device 0 not card 2 device 3 or 7 or 1? I did this but no sound. $ aplay -l **** List of PLAYBACK Hardware Devices **** card 0: Device ...
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1answer
2k views

asound.conf file is corrupted does not allow the play with the correct sound card as a result it keeps failing

I have this following asound.conf file, but when i play $ speaker-test it fails. How can you tell asound.conf that each and every time on restart of pc also use this sound card only? "card 2: PCH ...
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1answer
20 views

Redirect stereo sounds through a mono channel [closed]

I want to listen to this perfect album. My amp's right channel broke down, and these songs just don't do left-channel-only. How do I mono? Ssh-ing via laptop into the audio pc, running Fedora 20. ...
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1answer
340 views

How can I create a virtual output in PulseAudio?

I need to create a virtual output in PulseAudio so as to be able to capture and stream audio from a specific source. I know that it's possible to re-route a specific application's output to a given ...
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1answer
341 views

Changing system volume also changes Spotify volume (Arch Linux)

This is something that has been bugging me for awhile and I haven't been able to find a fix yet. Whenever I change the system volume using the hardware volume keys on my laptop, it also changes the ...
2
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1answer
534 views

PulseAudio server on Android

I want to stream audio from my Linux box to an Android device, with smallest delay possible, so I thought about using PulseAudio with module-opensl-sink (found here). I don't want to replace ...
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1answer
710 views

Enable udev and speex support for pulseaudio

I tried to install pulse audio, but after running ./configure I got a warning message: ===== WARNING WARNING WARNING WARNING WARNING WARNING WARNING ===== You do not have udev support enabled. It is ...
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1answer
554 views

Web browser hooked pulseaudio sound, how to release?

It seems that Chrome (and its Flash component) has grabbed all the audio on the machine for itself, leaving no sound for any other applications. I am running KDE with PulseAudio. Is there a way in ...
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2answers
5k views

PulseAudio cannot open shared library

I'm running Debian wheezy (x86) with GNOME on a Intel Core i7 machine. I'm having problems getting PulseAudio to work properly. Since GNOME 3 automatically installs PulseAudio I'm pretty much stuck ...
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1answer
44 views

After each reboot, speakers have volume 0

For some reason my audio volume keeps being reduced to zero when I reboot. I am able to fix this temporarily like so: rm ~/.config/pulse/* If I reboot, the volume functions normally. Rebooting ...
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1answer
301 views

How to make PulseAudio and OSS only applications coexist on Debian Wheezy?

Before I fell back to ALSA, I had severe problems with PulseAudio deadlocks for years on my Debian system on which I am using some OSS only (requiring /dev/dsp) applications. I would like to see ...
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1answer
610 views

Disable ATI HDMI sound device - Fedora with PulseAudio

I want to disable the ATI HDMI sound device. I have nothing connected to it and for some reason, although it isn't the default sound device, it sometimes kicks in and grabs my sound, leaving the ...
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2answers
366 views

Desktop audio falls behind when recording microphone + desktop audio + screen using ffmpeg

I have put together this script for recording the microphone, the desktop audio and the screen using ffmpeg: DATE=`which date` RESO=2560x1440 FPS=30 PRESET=ultrafast DIRECTORY=$HOME/Video/ ...
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1answer
2k views

Pulse Audio and Roaming Profiles on CentOS 6

We've been testing many Red Hat based distributions recently at work to replace Windows as our main operating system. We choosed CentOS 6 since all our software were fully compatible. The biggest bug ...
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1answer
29 views

Command line per-application volume (maybe amixer or pactl?)

I can change the master volume with these commands (from the command line), and it affects all applications, but how do I change the volume for just one application (XMMS for example)? amixer -q set ...
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1answer
155 views

Set fixed audio volume on external USB sound card

I have an external USB sound card to hook up my PC (Fedora 20) to my stereo amplifier: http://www.project-audio.com/main.php?prod=usbbox&cat=boxes&lang=en Now, this normally works fine, ...
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41 views

Changing pulseaudio default per-user output device

Is there a way to change or set the default per-user pulseaudio output device without having write access to the system configuration (but of course having write access to the user configuration in ...
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92 views

Is there simple applet mixer for pulseaudio

With new openSUSE 13.2 I find huge problem with sound -- with ALSA I lost the line out, and besides the sound was too quiet in general (today max out, is yesterday half). With help of pulseaudio ...
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1answer
160 views

Multichannel audio for Halloween sound effects

I am quite confused about the different audio tools in Linux - how ALSA and Pulse Audio and other daemons and libraries and applications fit together, so I'm looking for help in sorting it out. More ...
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69 views

PulseAudio: Sound works after first pacat call

I've got a strange problem with PulseAudio and a gstreamer python script (pygst). The script below works only if I execute a cat /dev/urandom | pacat before. I've absolutely no idea what can ...
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123 views

Modify sound volume per application [closed]

In Fedora 12 + Gnome 2 I used to be able to modify the volume of each application seperately. Now, I'm on Fedora 20 + MATE 1.6.2, and this option is gone. If I click Notification Area > Sound > ...
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214 views

Focusrite Scarlett on Linux input mapping?

Does anyone use these interfaces on Linux? If so, how do the inputs map (e. g. with ALSA/PulseAudio)? E. g. the Scarlett 6i6 has the following connections. Inputs: 2x symmetric XLR inputs (one for ...
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1answer
481 views

FFmpeg doesn't recognize my audio sources

I want to record my screen with audio for practice. I saw recommendations to use this command line: ffmpeg -f alsa -ac 2 -i pulse -f x11grab -r 25 -s 800x600 -i :0.0+200,100 -c:a pcm_s16le -c:v ...
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285 views

Android w/ Glibc stack, how can I set-up audio w/ nvlc? Is it possible with ALSA(Debian)?

With the help of the book "Embedded Android" by Karim Yaghmour I managed to learn enough about Android's build process last fall. With enough fiddling around and Google'ing I learned a sufficient ...
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Running Cinnamon/X from command line ---> No sound, software rendering

I am booting directly into the terminal of Linux Mint 17. Now I would like from there to start cinnamon gui. I do that with "startx". However, by doing that I do not have any sound (just "Dummy ...
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1answer
596 views

Changing sound chip with ALSA

I have a laptop with Intel audio card that lspci reports as 00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller (rev 04) It is responsible ...
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Debian: pulseaudio sink volumes syncing?

Running Debian jessie with pulseaudio, sometimes I would use pavucontrol to adjust volumes of different applications at varying levels. Then when I would forget about it and adjust the volume using ...
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903 views

Pulseaudio and Pavucontrol very unstable

I've recently installed ArchLinux on my desktop, together witht the GNOME3 Desktop. I installed pulseaudio and pavucontrol, which both seem to be very unstable. First I couldn't get my headset to ...
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Lock all devices when adjusting pulseaudio volume in kmix

My problem is that kmix adjusts the volumes of not all devices locked together. Adjusting built-in analog stereo also adjusts application's equalized stream and ALSA plugin. But webcam and event ...
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1answer
126 views

How to use OSLEC with Alsa as default, not with Pulseaudio or other thirdparty package involved?

Oslec Echo canceller I have seen some packages used OSLEC and there echo cancle was very well. So for a test simulation, how could i install the OSLEC only with Alsa (i do not use PulseAudio at all, ...
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156 views

Switching output sink/moving audio streams - but some apps still use the old sink!

I'd like to easily switch between a usb-connected amplifier/dac and my onboard audio. I'm using a fully updated Arch Linux x64 with PulseAudio 4.0-2. Another thread on this board is about switching ...
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380 views

Why does pulseaudio handle the sound quality connection to a BT device?

I'm new to Linux and new to Bluetooth scripting too. What I have discovered so far is the following: Bluez is the default BT stack. BluezTools is a set of utilities you can use to more easily ...
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1answer
932 views

record audio on Linux - capture both sides of a VoIP conversation

I want to use Audacity (or similar) to record audio for podcasting. The podcasts will be interviews conducted via voice-over-IP (SIP) telephone. I came across an excellent tutorial here: ...
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2answers
325 views

Reconfigure line-in as analog-out

I am trying to reconfigure my "line in" as another "analog out" and use it alongside with the default analog out port. I am using an onboard realtek sound card. It is very simple to do this in ...
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0answers
249 views

Setting up surround sound with optical out

I have centos 6.3 running on this pc. the built in sound card is detected normally and is a 7.1 card with all speakers listed. It includes a optical out as well as hdmi for the built in video. It ...
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382 views

Pulseaudio/X permission other user/SSH

My user user1 is running a graphical X session with pulse configured per-user. I need to run a graphical program that uses audio with user2. If I do su user2; program program doesn't start and I ...
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289 views

Debian 6: media keys in gnome-settings-daemon don't work

I am running a minimal Debian 6 x86_64 setup with pulseaudio, alsa and gnome-settings-daemon. Whenever I press a media key, gnome-settings-daemon spits the following out to stderr: ** ...
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1answer
377 views

How to control equalizer within command line?

So Pulseaudio has a built-in equilizer loaded with module-equalizer-sink According to http://www.freedesktop.org/wiki/Software/PulseAudio/Documentation/User/Equalizer, you can control it with ...
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2k views

How to have CoreAudio from Mac to Linux/Unix?

After using Alsa and PulseAudio for a while, I feel they are not yet strong enough for Audio capture and audio playback. When I test with loud-speaker and microphone, there is self feedback-loop. ...
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1answer
94 views

Why does `systemctl enable rpcbind' change the volume of my sound? And how do I prevent this?

I just did: $ systemctl enable rpcbind And this caused the volume on my headphones to increase severly. First off, I don't understand why this happens, as rpcbind seems completely unrelated to my ...
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1answer
44 views

audio play not starting at beginning

When I run a audio file with like mpg321 or aplay or sox or even in TTS's (Text to speak) audio only outputs correctly from the second time I reproduce the audio file... per example in Text to ...
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1answer
2k views

No sound in USB headphones using fedora 16

The volume control buttons on the usb headphone work, they can increment or decrement the system sound. However the headphone have no sound. How to make it work? kernel 3.2, pusleaudio is used by ...
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1answer
30 views

Pulseaudio with external sound adapter: work around broken sound

I'm using an external USB sound adapter on a laptop that has an internal sound card. There are some issues: The applications by default continue to use internal sound card. I can work around this ...