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

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2
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1answer
480 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
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1answer
953 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
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0answers
510 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
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1answer
1k 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
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0answers
146 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 ...
2
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1answer
6k views

Elementary os no sound after alsa update

I am new to Linux but really love Elementary for its simplicity. After noticing that my sound was quite poor in Elementary, compared to Windows 8.1, I have tried updating the sound drivers. I ended up ...
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0answers
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 ...
2
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0answers
269 views

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 ...
2
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1answer
159 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, ...
2
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0answers
214 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 ...
2
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1answer
1k 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: ...
2
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2answers
539 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 ...
2
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1answer
330 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 ...
2
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0answers
302 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: ** ...
2
votes
1answer
908 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 ...
1
vote
1answer
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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2answers
63 views

What makes it possible for a `pulseaudio' process to get the nice level of -11?

I noticed that a pulseaudio process on my Gentoo Linux machine has the nice level of -11. But I don't know how it has gained such a high priority regardless of being owned by a normal user. I know a ...
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2answers
332 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 ...
1
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1answer
18 views

What do the sink and source keywords mean in pulseaudio?

I am reading about pulseaudio, how it works and how I can configure it. I am encountering two keywords a lot: SINK, SOURCE. At first I thought SINK meant OUTPUT and SOURCE meant INPUT, but it seems ...
1
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1answer
22 views

Can not start pulseaudio

I have just installed pulse audio on my laptop, however I can not start it. Here is output when I run command pulseaudio -v ................ E: [pulseaudio] core-util.c: lock: Permission denied E: ...
1
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1answer
115 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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2answers
3k views

Lubuntu + pulseaudio

How can I install pulseaudio on lubuntu? When I try installing via sudo apt-get install, the package is not available. I use kodibuntu (formerly xbmcbuntu) and want to get pulseaudio working to get ...
1
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1answer
123 views

What is preventing me from recording the output of my speakers?

I am using Trisquel GNU/Linux 6.0.1 (a modified version of Ubuntu) on the XFCE desktop environment. I am trying to record the output of my speakers. I do not have a microphone, and so cannot use it ...
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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
41 views

Remove PulseAudio device

While following instructions, I loaded a module which creates an input device "Monitor of Null Output" and an output device "Null Output" using this command: pactl load-module module-null-sink ...
1
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1answer
43 views

pulseaudio volume much over 100%

How can I get the volume much over 100%. Sometimes the sound is not loud enought otherwise. I've tried using pavucontrol but that only allows me to go up to 125% (so with doing both playback and ...
1
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1answer
170 views

How do I configure my audio?

I have a relatively new build that I can't seem to get audio to work on. I have one card that i can see with pacmd list-cards: 1 card(s) available. index: 0 name: ...
1
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1answer
129 views

Reset PulseAudio (Application) Sliders on reboot?

Using PulseAudio is awesome as long as everything works as expected, but it can also be a huge pain in the neck. Recently, I found myself glancing at pavucontrol more often than I'd like to, because ...
1
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1answer
282 views

How do I set the output port on my audio card?

My audio card has two ports, for clarity I'll call them the 'speaker' and 'headphone' port. In windows, the audio control sees two separate ports, and I can switch back and forth between speaker and ...
1
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1answer
249 views

How to troubleshoot jack detection in Pulseaudio

Pulseaudio apparently supports "jack detection", meaning auto-detection of whether anything is plugged into each jack (e.g., headphone jack, line out jack) or not. Unfortunately, Pulseaudio's jack ...
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1answer
583 views

SoundWire streaming but no sound

I installed SoundWire client + server. The server communicates with the client sending evenly sized packets every few milliseconds. The server's status goes to green "Connected". The connect button ...
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2answers
3k views

Volume too quiet at maximum

I recently replaced my broken Sennheiser PC350 to a Beyerdynamic DT770 Pro 80 Ohm headphones and I've encountered a really annoying issue. Everything is too low. I can listen to it, but it's almost as ...
1
vote
1answer
777 views

Low-pass filter on LFE using Pulseaudio

I'd like to apply a low-pass filter on the subwoofer channel on my 5.1 sound system under SolydK (a Linux distro based on Debian Testing, PA is installed and configured by default just like under ...
1
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1answer
88 views

Sound stutters during moderate disk access?

I'm running Xubuntu 13.10 "Saucy Salamander." It's a pretty recent install. I'm playing music over a bluetooth usb dongle on a home theater system. All of my sound goes through pulseaudio. I've ...
1
vote
1answer
544 views

Applications grabing ALSA exlusively

So, my second question about linux audio on the site. The previous one generated quite a lot introductory information. I have ALSA and PulseAudio installed. Before installing PulseAudio, no audio ...
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1answer
136 views

Mute sound from specific virtual display

I'm using Linux, precisely Mint 13 Maya, which is based on Ubuntu Precise. I was wondering if there was any way to mute sound coming from other virtual displays, or to only have sound playing from ...
1
vote
1answer
885 views

No bluez device after pactl list sources short

I am using pulseaudio on a Raspberry Debian (Wheezy) but my bt-headset(Iqua BHS-611) does not show up in sources or sinks. What I did: I followed the Raspbian Wheezy Installation Guide at: ...
1
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1answer
556 views

Configuring Pulse Audio for easy use with multiple USB DACs?

I have 3 Behringer UCA-202 DACs going into a mixer. I want something similar to this setup: 1 DAC: Misc Audio to be mixed: output to go to the mixer. 1 DAC: Audio In: Record/Broadcast: input to come ...
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2answers
2k views

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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2answers
3k views

pulseaudio suddenly stopped working?

I am using arch linux and i was using pulseaudio suddenly today pulseaudio stopped working and no sound is coming in both my speaker and headphone. I can see pulseaudio is running properly and I am ...
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0answers
6 views

Internal speaker unmuted when I press volume up/down buttons on my headphones

It is logical to expect the volume up/down buttons on my USB headphones to only control the volume of the headphones, but in fact they also unmute all other audio output devices. I'm using KDE on ...
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0answers
26 views

No output through stereo jack

I cannot get any sound to output through either of my PC's stereo jacks. I do not even hear the typical static when I plug a device in. This is the case even though Phonon displays "built-in audio." I ...
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0answers
12 views

Is there a way to predict an PulseAudio Sink ID assignment?

When something like a browser opens a new tab, or any program requests an new sink from PulseAudio an ID is assigned (0..n). If this happens in rapid succession (i.e. programmatically executing ...
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0answers
24 views

Connect to two bluetooth audio sinks

I have two bluetooth audio receivers, one in the living room, and one in my bedroom. I connect to those from my laptop. Both receivers are visible from most places in my house. My plan is that I ...
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0answers
11 views

PulseAudio cannot change the sink for one specific program

I'm trying to play sound from Telegram through my headphones, which have an internal audio card. Here is the list of programs which produce audio output channels: $ pactl list sink-inputs Sink ...
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0answers
10 views

Mute audio but make it capturable for screenrecorder in linux

I can capture videos with audio for example with simplescreencapture. Usually this just captures what I see on the screen and what I hear from the speakers. If I mute the speakers, no audio is ...
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0answers
21 views

Configuring a system to run PulseAudio automatically on top of JACK

This is essentially the same as the Ask Ubuntu question How to use JACK and Pulseaudio/ALSA at the same time on the same audio device?. However, the answers to that question are all incomplete in at ...
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0answers
17 views

Rationale behind PulseAudio in userspace [closed]

Why is PulseAudio implemented in userspace? Seems to me that the same arguments for implementing fs, nfs etc. would also hold for pulse audio. Also, I can imagine that there are strict latency ...
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0answers
22 views

3D sound based on window position

Okay, I know this sounds weird, but hear me out please. Assume the following: I've got a 4k screen here, maybe another one in the near future. I like to watch videos while doing boring stuff. This ...
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0answers
25 views

Pulseaudio microphone doesn't work

I am using Slackware 14.1. I installed pulse audio. The sound output works fine. But the microphone doesn't work in skype. I tried the steps from here: ...