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

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14
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3answers
5k views

Change PulseAudio Input/Output from Shell?

I have a set of nice wireless headphones which I use from time to time, in addition to my speakers and normal microphone. I'd like to write a script to switch between one input and output source and ...
8
votes
5answers
7k views

How can I switch between different audio output hardware using the shell?

I use my laptop with an external monitor which has speakers. When the monitor is attached through HDMI I can switch (using the GUI: Sound Setting --> Hardware) between the normal laptop audio output ...
8
votes
4answers
1k views

Low sound volume on Lenovo laptop under Fedora

I'm having trouble hearing anything at all under Fedora 16 on this Lenovo T520. Everything in alsamixer is at 100% (both pulseaudio and card). I installed Windows 7 on the laptop to check if the same ...
7
votes
1answer
3k views

Sound input issue with skype, selecting a microphone?

Ok, Skype yet again has issues with sound. This time, it is unable to record audio. The system is using PulseAudio and I am using a web cam as a microphone. Actually, I tried another web cam and ...
7
votes
1answer
2k views

Sending to two bluetooth speakers at once

Is it possible to send the same audio signal to two different Bluetooth speakers at once from a single source? I remember reading somewhere that it's possible to send audio to two different sinks ...
7
votes
1answer
286 views

No volume control in Nexuiz fullscreen mode

While playing Nexuiz on my Ubuntu in fullscreen mode the volume control buttons on my laptop don't work at all, externally after minimizing the game increasing/decreasing the sound solves the problem ...
5
votes
3answers
1k views

Command line audio player that exits immediately after file finished playing back?

I am experimenting with audio players in the command line, and noticed something weird: if the sound is very short, most players will take up to a second or two after playback has finished, before ...
5
votes
3answers
1k views

Microphone - static background noise suppression on Linux

My soundcard is Realtek ALC 892. On Windows 7 I use official Realtek drivers, on Linux I use PulseAudio (on Ubuntu 13.10). On both Windows and Linux, when I enable microphone boost +30db (required ...
5
votes
1answer
1k views

Jack vs Pulseaudio — how is it faster?

I see a bunch of claims that Jack is faster than Pulse and has less latency. How is that so? Why does Pulse call itself lightweight, and the Jack guys call it fat? Could anyone break down the ...
5
votes
1answer
1k views

Changing default audio device in Pulseaudio

I would like to use HDMI on my graphic card for audio output. ALSA shows it as a card with 4 devices and I can get sound through one of them (the other three are different channels, perhaps? I have ...
5
votes
1answer
532 views

ALSA dummy device - how to configure?

I am working on an audio stream between two virtual servers. For that, I have set up a dummy soundcard (as the vservers don't have a hw card) using modprobe snd-dummy. That seems to work fine - I am ...
5
votes
2answers
340 views

Disable headphone jack detection in pulseaudio

I have a dodgy headphone port on my laptop that does not reliably detect when headphones/external speakers are plugged in. This means that the output is constantly being muted/unmuted which is rather ...
4
votes
1answer
2k views

How do I configure PulseAudio for 7.1 Surround Sound over HDMI?

I have my machine connected over HDMI to a receiver. But when I try to use more than two channels with PulseAudio, I only get two. pacmd list cards shows the card, but does not show an HDMI profile ...
4
votes
1answer
65 views

How do I load a module to PulseAudio server?

I recently followed this guide to simultaneous audio outputs. It works great but now I have a huge name for the virtual device in the audio control panel making it expand off my screen. In Pulse ...
4
votes
1answer
2k views

User systemd PulseAudio service

Not much else to this question: I would like to know what I need to create a PulseAudio systemd service to be run with systemd --user. I've tried a few different things, including various user ...
4
votes
1answer
326 views

How can I set a top limit for the PCM value when changing the loudness with pulseaudio?

when I change the loudness with pulseaudio, pulseaudio acts on several of the values I can see when I use alsamixer -c0 I have a problem: when the PCM loudness exceeds a certain value (80%), the ...
4
votes
1answer
170 views

Stream system audio through mpd

I use mpd to stream music to my phone (connected to Hi-Fi) via http. Yet, this only works for songs in my mpd database. I oftentimes want to play stuff in my browser and would like that to be ...
4
votes
1answer
642 views

How to get Debian's volume control working with Pulse

I finally configured Pulse to work with every application, however using the volume control on my keyboard still controls the default ALSA selected device. How do I change it so it adjusts the current ...
4
votes
1answer
120 views

How to reduce the volume of a background music stream when a different audio source is playing?

With PulseAudio it is possible to manage volume on an application basis, but I find it hardly useful to do it manually. What I'd rather have is the following: I'm usually listening to music but ...
4
votes
0answers
53 views

Auto-switching PulseAudio profiles based on input(s) channel count

I'm running audio over HDMI to my receiver, which has a full 7.1 setup connected to it. However, most of the stuff that I listen to has far fewer channels—some is mono, most is stereo, a bit is 5.1. ...
4
votes
4answers
1k views

Is there any gnome-shell mixer icon relying on alsa and not pulseaudio?

So, long story short, when I installed Mint 12 on my Dell laptop I realized my HDA-intel sound board have problems with pulseaudio. I uninstalled pulseaudio and got my sound back, but removing ...
3
votes
2answers
546 views

What is the alsamixer of Pulse Audio?

I just installed Pulse Audio over my ALSA installation. Is there a Pulse Audio equivalent of alsamixer that I can use for tasks such as changing the microphone gain?
3
votes
1answer
385 views

How can I find the correct name for my microphone and sound output using aplay or pacmd or something else, to apply in asound.conf?

I need to write a default mic and default speaker output in the asound.conf config file. But I don't know exactly how I can find my external sound card or microphone device's name, so that on reboot ...
3
votes
1answer
2k views

pipe the output of parec to sox

sox is probably the one linux program that continues to frustrate me. At the same time, I am awed by what it can do, and I'd like to get close to being fluent in it, if not mastering it. Today, I've ...
3
votes
1answer
2k views

Ideas how to get my usb audio interface to work with Linux?

PulseAudio does not appear to recognize the Focusrite Scarlett 6i6 USB audio interface. The 2i2, however, is properly recognized and it works as expected. I can't seem to get the 6i6 to work on the ...
3
votes
1answer
613 views

Pulseaudio, Phonon, KDE and forwarding sound to headset

Some days ago I bought headet (Jabra BT2045) and I want to use it in Skype voicechat and for example to forward to it another sound streams from my KDE. I've successfully paired and setup as headset ...
3
votes
2answers
1k views

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 ...
3
votes
0answers
87 views

Read out pulseaudio volume from commandline? (I want: “pactl GET-sink-volume”)

I want to read out the volume level I can set with pactl set-sink-volume $SINK $VOLUME Is there an easy way to do that? As easy as the hypothetical pactl get-sink-volume $SINK ? (What I'm ...
3
votes
1answer
740 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 ...
3
votes
0answers
83 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 ...
3
votes
2answers
2k views

Set default sound card in Pulse Audio

I have two soundcards on my systems and pulseaudio always picks the wrong one. How do I set up the default soundcard in the pulse audio preferences?
3
votes
1answer
2k 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 ...
3
votes
1answer
765 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 ...
2
votes
1answer
222 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 ...
2
votes
1answer
507 views

Launch a fake/minimal X session for Pulseaudio/dbus

I use Pulseaudio to share audio between a desktop and a Raspberry Pi. However, Pulseaudio needs dbus, and dbus needs an X session. Without graphical session, Pulseaudio is only able to run in system ...
2
votes
2answers
672 views

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 ...
2
votes
1answer
794 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 ...
2
votes
1answer
81 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 ...
2
votes
1answer
400 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 ...
2
votes
1answer
787 views

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 ...
2
votes
1answer
448 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 ...
2
votes
2answers
4k 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 ...
2
votes
1answer
300 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 ...
2
votes
2answers
2k views

Pulseaudio failed to create secure directory in nfs share

My pulseaudio cannot run, because it attempts to create ~/.config/pulse under a different user. (probably pulse?). user@localhost ~$ pulseaudio E: [pulseaudio] core-util.c: Failed to create secure ...
2
votes
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 ...
2
votes
0answers
27 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 ...
2
votes
1answer
32 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 ...
2
votes
0answers
40 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 ...
2
votes
1answer
104 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 ...
2
votes
1answer
169 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. ...