PulseAudio is a free cross-platform network sound server.

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2
votes
1answer
321 views

Using loopbacks and null-sink cause extreme distortion after 20-30s during ffmpeg recording

I'm trying to record both video, speaker sounds and microphone sounds at the same time. To deal with the audio, I set up two loopbacks (one for microphone, one for speakers): pactl load-module ...
0
votes
1answer
736 views

Internal microphone: no sound level in pavucontrol but record with arecord, pacat -r and audacity work - Skype doesn't

My internal microphone is not working in Skype. The first thing I did was checking if the microphone was found by pulseaudio. I opened up pavucontrol and recognized that the microphone was there but ...
2
votes
0answers
1k views

pulseaudio, in a KVM virtual machine (as root) and your desktop (not root) playing audio at the same time?

How do you get pulseaudio to play sound in a KVM virtual machine (running as root) and your desktop apps (not running as root) at the same time? It seems that by default, it will only play sound for ...
1
vote
1answer
52 views

Too many processes have realtime or -20 niceness

For some reason a lot of my processes are real-time and and keep making my audio lag. Are these supposed to be real-time? I tried both a hard reboot and soft reboot, I even restarted pulse but to no ...
11
votes
3answers
5k views

How to stream my GNU/Linux audio output to Android devices over WI-FI?

I want to stream my audio output over the network (Wi-Fi) to my Android devices. I'm not looking for a music/video streaming solution, but I would stream any audio output of my GNU/Linux desktop to my ...
2
votes
0answers
496 views

Pulseaudio high CPU usage

Is it normal that the pulseaudio process has sometimes a CPU usage of ~40%, even without playing audio? The process seems to run in realtime-priority, is that the cause of the problem? Update: I ...
2
votes
1answer
167 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 ...
8
votes
1answer
3k views

Prevent applications to control master volume on Linux

Whenever I change the volume in VLC, Rhythmbox, or a video on YouTube, it change the master volume, i.e. the system volume. How can I prevent this from happening? I'm running Debian 7.0.0 (wheezy) ...
1
vote
1answer
1k views

record application audio only with ffmpeg

I would like to use ffmpeg to use application audio only instead of the whole system audio while screen grabbing. How can I do this if the grabbing command is something like this? By application ...
0
votes
1answer
212 views

avconv crashes after ~3 minutes - could be source regression, how do I get last stable version in git?

Application provided invalid, non monotonically increasing dts to muxer in stream 1: 8657 >= 8657 av_interleaved_write_frame(): Invalid argument [pulse @ 0x2a03400] pa_simple_read failed: Bad state ...
2
votes
1answer
591 views

How do I recompile libav on ubuntu 12.04 without breaking anything

I have a "Little" script for screencasting - I'll skip to the good part. In my avconv command I record 3 different sources simultaneously to 3 different tracks. The only way I know of getting audio ...
1
vote
0answers
348 views

Wine screws up Pulseaudio and USB audio card when already playing ALSA stream

My setup is a Thinkpad T420 with Creative X-Fi USB audio card. Everything usually works fine, I can play multiple streams and arbitrarily move streams from one audio card to another. One use case ...
0
votes
1answer
18 views

anyway to take a 'snapshot' of alsamixer?

my audio card has some issues under ubuntu. everytime i fiddle with the volume, it messes up microphone. i can't set the microphone at all under ubuntu GUI. it tries to assume things from the ...
1
vote
1answer
2k views

Set device when using gst-launch alsasrc

As part of my Sphinx setup, I listen to my input device like this: gst-launch alsasrc (Well, the actual command is this: alsasrc ! audioconvert ! audioresample ! vader name=vad auto-threshold=true ...
0
votes
2answers
676 views

Alsa/PulseAudio mixing output from multiple processes

I wonder is it possible to rig alsa or/and pulseaudio so that audio output to left stereo channel will come form one process and to the right channel from another process?
0
votes
1answer
1k views

Getting an ALSA program (ChucK) to work with Pulseaudio?

Moving a previous answer to this topic; formulated as a question, it would be: I'm using ChucK, in particular chuck.alsa, to implement a Command line multitrack audio looper for Linux. ...
0
votes
1answer
468 views

pulseaudio: delay app's output by time amount

I have one app where the audio is ahead of the video, so I'd like to delay the audio for half a second. I'm currently redirecting the app's audio to a pulseaudio null module, and then using parec to ...
1
vote
0answers
252 views

Strange sound behavior

First of all, sorry for the tittle. English isn't my native language, and I can't find a word to describe the strange behavior I'm getting here. In the most simple explanation, is like sound keeps ...
2
votes
1answer
152 views

set sink index in pulseaudio

Is there some configuration option to specify that X device should always grab sink index Y? Much like you can force a specific sound card driver to have a specific card index in alsa? Failing that, ...
0
votes
0answers
302 views

Pulse audio error and strange noise when using VLC on Wheezy

I am trying to play audio files on my Raspberry pi using VLC, but I am getting a "Pulse audio output error" and the song has a huge amount of random noise. Here is a little video that shows what I am ...
2
votes
0answers
57 views

How to choose the user that has sound?

I wanted to know if there's any way in pulseaudio to decide, each time I switch virtual terminals, if the current user should get control of the sound or if another user should keep it. We have two ...
1
vote
0answers
626 views

no sound with an USB Microphone and pulseaudio

I connected my USB Microphone to my Computer, but i cant get it to work. Pulseaudio recognizes the device, and i can see and edit it with pavucontrol in the Input Devices section. I also can select ...
1
vote
0answers
24 views

Recording both internal audio and microphone via PulseAudio [duplicate]

Possible Duplicate: What are some specific audio / sound card / driver setups that still allow you to “record what you hear”? I'm looking to get a sane audio recording set up that allows me ...
1
vote
0answers
133 views

Is there server based html5 widget that will allow me to stream pulseaudio audio to a browser?

I have a Web based VPN running at home that I access from work and Pandora works pretty well since it's all HTML5, but other sites like Youtube and flash based media does not work since my VPN can't ...
2
votes
0answers
948 views

AC3 & DTS Output Produces Buzzing/Noise Using a52 ALSA Plugin in Pulseaudio

Note: I hope this is the right site to ask it on, as I'm using ubuntu 12.04 64bit but assumably this is a general linux/alsa configuration question. I've followed the guide at ...
0
votes
1answer
1k views

List all ALSA devices

I'm using PulseAudio on my system, and I followed the instructions for adding a monitor device as per the PulseAudio wiki. The monitor device itself works and registers/functions properly in apps like ...
0
votes
1answer
268 views

Ubuntu to Debian, pulseaudio works differently

Simple case: one application and one output device. I'm also using pavucontrol. In Ubuntu, I could change the volume of the application or the output device without affecting the other's volume. ...
0
votes
1answer
327 views

Getting mikmod to work on 64 bit fedora 17

Does anyone know how to get mikmod to output audio on a 64bit Fedora 17 install? My system is currently using pulse audio to do output(I think, the entire audio thing on Linux is rather confusing). ...
0
votes
2answers
713 views

Debian no lib32asound2-plugins=1.0.25

I compiled git wine 1.5.6 and the sound is not working correctly. winecfg gives a message: ALSA lib ../../pulse/pcm_pulse.c:995:(_snd_pcm_pulse_open) Unknown field handle_underrun ...
1
vote
0answers
373 views

Can't set pulse audio as KDE default

I am running Arch Linux and KDE4. I installed the pulseaudio deamon on a remote machine with an external soundcard. From the local machine's terminal I can stream audio to that machine without any ...
4
votes
1answer
4k views

Pulseaudio Daemon Startup Failed

When running startx on Arch Linux, the error: E: [pulseaudio] main.c: Daemon startup failed. is returned. Is there any way to fix this error?
0
votes
1answer
517 views

Install pulseaudio but don't use it?

I have my computer set up exactly how I want it, no pulseaudio and everything is working great. Unfortunately, there is a piece of software I'd like to use (cockatrice, a M:tG client) that requires ...
2
votes
2answers
293 views

xbindkeys escape quotes

How can I escape quotes in .xbindkeysrc commands? Neither of those work. "pacmd dump|awk --non-decimal-data '$1~/set-sink-volume/{system ("pacmd "$1" "$2" "$3+2500)}'" "pacmd dump|awk ...
1
vote
2answers
5k views

Pulseaudio is no longer working in Debian Squeeze: 'Failed to open module “module-combine-sink”: file not found'

I'm having a problem with pulseaudio. My machine crashed, and when I rebooted and ran pavucontrol, I got a "Connection Failed: Connection refused" dialog. When I run pulseaudio --log-level=info ...
6
votes
2answers
4k views

Centralized PulseAudio setup

I want to do a setup, so that all my computers and TV use one audio system. Like this: Where media server is connected to acoustics and TV is connected through sound-card input and other systems ...
3
votes
2answers
2k views

Does Linux support audio output via USB?

Several small integrated amplifiers exist with a USB input line. The ones I have seen so far ship with Windows and OS X drivers. Does Linux support audio output via USB out-of-the-box? Update It ...
1
vote
0answers
174 views

Improve priority of mplayer-pulseaudio-Xorg combination

I'm often having mplayer running on the side (e.g. watching television). However, this occasionally doesn't run too smoothly (granted, the CPU and GPU are also a bit weak). I've already running ...
0
votes
1answer
285 views

Pavucontrol “detects” plugging the external microphone in and out, but nothing else

I am remotely debugging a sound system. Until they can test with another microphone, I wonder: Apart from the fact that the microphone is broken or muted, is there anything that could explain why ...
0
votes
1answer
3k views

How to kill TV like static noise in my Linux microphone?

I was capturing audio using alsa/pulse, or even without any microphone. But always i have this sample static noise. Similar to those (you can hear the exact noise what i have now): Sample 1 Sample ...
1
vote
0answers
107 views

Headphones don't “isolate” speakers

I have bought some new 2.1 speakers but I have an issue. When I plug in the headphones the sound continues to play from the speakers (in a lower volume though). I re-ran alsaconf but I couldn't solve ...
1
vote
1answer
2k views

arch linux - Pulse audio plays too fast

i have a problem that all my audio playback is too fast. I have found this: bbs.archlinux.org but i dont know where to disable the multirate locking and decreas the multitrack internal clock ...
10
votes
2answers
2k views

Is it possible to route different applications to different audio outputs with Pulse Audio?

Is it possible to route different applications to different audio outputs with Pulse Audio? I'd like my music to be played on my Stereo, but I'd like sound alerts to be played on my notebook speakers. ...
0
votes
1answer
460 views

How can I allow multiple sounds in pulseaudio?

I am listening to online radio (flash) but if I start off another video clip locally or remotely, the video won't play until I either change the audio output of the clip to non-pulseaudio or close the ...
8
votes
2answers
4k views

Streaming audio from windows to linux using PulseAudio

I have Linux box with Ubuntu + PulseAudio network server installed. I can stream audio from my laptop (with Linux installed too) to the box over local network. I've recently installed Windows 7 into ...
2
votes
1answer
997 views

Logitech QuickCam Pro 9000 microphone doesn't capture audio

I got a Logitech Quickcam Pro 9000, the cam itself is working as it honors the UVC spec. This fancy WebCam has a integrated mic which worked some time before but now, it does no more. (Note: I use ...
4
votes
2answers
5k 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 ...
2
votes
0answers
555 views

Audio delay problem with ffmpeg and parec

I need to record desktop audio and video in an automated way. So I wrote a small multithreaded python script which basically does the following steps: # 1.) Grab desktop audio AUDIO_SRC=`LANG=c ...
1
vote
0answers
1k views

pulseaudio, external usb soundcard too low volume [closed]

The jack plug on my built-in sound card in my notebook doesn't work so I have to use an external one via a USB port. Since I bought it I only used Windows and it worked fine, but when yesterday I ...
2
votes
1answer
715 views

Recording audio playback in Windows with PulseAudio?

I would like to record the playback audio of my computer using software such as Audacity. Unfortunately, my audio card software does not come with a stereo mix input, and after reading these two ...
0
votes
1answer
3k views

How to get simultaneous sound (from pulseadio) on two outputs (analog and digital) of the same sound card?

How to configure pulseaudio to play sounds simultaneously on digital and analog output of single sound card? My system is OpenSuse 11.4 (with all updates installed). Command "aplay -l" returns: ...