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

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How to switch PulseAudio inputs and outputs from command line?

At work I use to use an USB headset which gets detected as separate audio output and input (for the mic) devices. At home I use conventional analogue headset which is plugged into my laptop built-in ...
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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
817 views

Record audio from multiple devices with ALSA and Pulseaudio

I want to record audio from multiple input devices using ALSA and Pulseaudio. More precisely, I want to play UltraStar Deluxe. It is a game using SDL. As far as I can tell, it supports ALSA only. ...
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203 views

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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How do I know if my microphone is mute or unmute when I have more than one microphone?

How do I find out if my microphone is muted or unmuted, when I have more than one microphone such as Motherboard, USB and HDMI? 1) I can't find it with this: $ cat /proc/asound/cards 0 [PCH ...
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How do I get Mint to recognize my laptop's microphone as a mono input instead of stereo input?

I'm having an issue with Mint XFCE 17.2 detecting my laptop's internal microphone as a stereo microphone at a hardware level. The problem is that, since it's a mono device, the microphone's "right ...
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41 views

Why do Pidgin sounds change the volume of music for their duration?

I am running Debian 8 (Jessie). Pretty plain install except I'm running AwesomeWM, no desktop environment, and Gnome is pretty much nowhere to be seen. PulseAudio is setup with defaults. I use Pidgin ...
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130 views

Sound output not working properly in chroot

So I have a 64-bit Linux Mint 17 system and I am trying to set up a chroot environment with a 64-bit Ubuntu 12.04-based system (actually something called Vinux, an Ubuntu remix). The problem is that ...
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261 views

Pulseaudio antidetects headphones

When I plug in my headphones I get the following Output Devices in pavucontrol: Speakers Analog Output Headphones (unplugged) Choosing Speakers sends output to Speakers+Headphones. Choosing Analog ...
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1answer
426 views

Program run in SSH accessing pulseaudio on the machine where it runs

I would like to run a program remotely (through ssh) but with audio going to the remote machine where the program actually runs. This would normally work with ALSA, but pulseaudio apparently checks ...
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373 views

Automatically switch sound output device to Bluetooth headset & force to A2DP profile on connection

Using Mint 17 + MATE here. My bluetooth headset (Plantronics Backbeat Go2) is connected just fine with my system, but there are several manual steps I have to take to make this work that I would very ...
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1answer
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How to use pulseaudio for network stream with Raspbmc (Kodi)?

I am using Raspbmc (with Kodi 14) on my Raspberry Pi. Now I would like to set up pulseaudio to be able to stream music from all my Linux computers easily to the Raspberry pi. My problem is, that I am ...
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243 views

Pulseaudio issues - line out/headphones defaulting; connection to other programs (“not running as session daemon”)

I am running Pulseaudio with a combined digital+analogue channel (the digital is an HDMI connection to my monitor('s speaker); the analogue is a connection to separate speakers). Whenever the ...
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79 views

Configuring pulseaudio for receive mode

I am working on a project where I'll be running PulseAudio in receive mode on my raspberry pi. As for the server side, we've been writing a custom application on windows that will send an RTP audio ...
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1answer
140 views

How to stop gnome from muting my music?

I use ArchLinux, and I recently installed Spotify which is working fine, except for one thing: Every time any program triggers a system sound, the player volume is automatically muted in the mixer. ...
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110 views

How can I have pulseaudio always load a USB soundcard as the same sink every time I boot?

I have 9 identical soundcards connected via USB to a PC running various audio rendering servers. Each card is loaded in /etc/pulse/default.pa by disabling module-udev-dectect and manually loading ...
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131 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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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
754 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
530 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 ...
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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
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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
319 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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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
653 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
887 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
604 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
6k 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
89 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
463 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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839 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
568 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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2answers
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How to change mixing of channels by pulse audio / alsa

I have a recent problem with my sound configuration. Basically, it's way too loud until I set the volume below 10%. And then it's very quickly too silent. Using the alsa mixer, I can set the headphone ...
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1answer
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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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pavucontrol: Connection to PulseAudio failed

After uninstalling JACK I lost my access to PulseAudio Volume Control. It says: I tried purging and reinstalling pulseaudio and pavucontrol and removing ~/.pulse-cookie and ~/.pulse. Also, I tried ...
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How to dynamically control the audio volume based on current decibels

Since the Internet videos have different sound volume levels I am wondering is there a way to dynamically decrease the audio volume if it's above certain decibels to a normal value. Could someone ...
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2answers
665 views

How does PulseAudio start?

PulseAudio is always running on my system, and it always instantly restarts if it crashes or I kill it. However, I never actually start PulseAudio. I have checked /etc/init.d/ and ...
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1answer
218 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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63 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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140 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
244 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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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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180 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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1answer
380 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
813 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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439 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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1answer
899 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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135 views

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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1k 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 ...