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Questions tagged [pulseaudio]

PulseAudio is a sound system for POSIX OSes, it is a proxy for your sound applications. It allows you to do advanced operations on your sound data as it passes between your application and your hardware. Things like transferring the audio to a different machine, changing the sample format or channel count and mixing several sounds into one are easily achieved using a sound server.

PulseAudio is sound server for linux proposed to replace OSS. It allows input from multiple applications and perform mixing before forwarding it alsa. PulseAudio provide userlevel tools for more control over audio. PulseAudio is bundled with ubuntu and other linux OS by default.

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Pulseaudio's pa_simple_read() either outputs 0-5 or 248-255

I'm trying to learn to use pulseaudio's Simple API for C. I started to get somewhere, when I realized that the values I was receiving didn't make sense. At first they swapped between ~64-66 and 0. i.e. "65 0 64 0 65 0 66 0 64 0" like that. Then,…
Ben Esposito
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Does anyone know how to get JACK effects working in Manjaro?

I've been trying to get zita-at1 to work with discord calls for a while, to allow for autotune shenanigans. I've installed the JACK and Cadence packages and upon opening up Cadence, it shows the error message: jackdbus is not available and does not…
PrintStringName
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ubuntu mate will not log on after changing one of my init login scripts

I was having some issues with switching my audio output (ie I plug in HDMI, if an application is currently running its audio through the computer's speakers, the audio does not move to the HDMI unless I kill the pulseaudio session and restart the…
Taylor
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Pulseaudio: can't loopback sink.monitor into soundcard speakers

I want to loopback the sink.monitor of a null-sink into my soundcard speakers but It doesn't work: no sound coming out from the speakers. The null-sink (appoutput) is fed from VLC (this works, I can see the sliders move in pavucontrol). (I'm using…
mauricebis
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Pulseaudio HFP configuration

I'm trying to develop HFP devices using an embedded board and a bluetooth USB dongle. I'm using Bluez 5.52, Pulseaudio 13.0, Ofono 1.31. The A2DP profile works well streaming audio from my phone to the audio jack of the embedded device. The HFP has…
Matteo Sperandio
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Emulator pulseaudio access denied

I'm trying to run the android emulator (v 29.3.4.0) on ubuntu 19.10 but I have no sound. When starting from the console, I can see the following errors: $ emulator -avd firstPhone pulseaudio: Wrong context state pulseaudio: Reason: Access…
Copil tembel
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How to enable pulse device to allow recording using portaudio

I'm currently working on a code to record voice bqsed on portaudio framework. For the moment, I can't make it works and I have the error code below. 0: /dev/dsp An error occured while using the portaudio stream Error number: -10000 Error message:…
Sebastien
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PulseAudio cannot see working USB sound card

I have a Raspberry Pi, running Raspbian, with a cheap SoundBlaster USB card plugged into it. The card is visible to ALSA: # aplay -l | grep card card 0: ALSA [bcm2835 ALSA], device 0: bcm2835 ALSA [bcm2835 ALSA] card 0: ALSA [bcm2835 ALSA], device…
user1235777
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convert pcm stream data to encoded aac data

I tried to convert pulse-audio pcm stream data to aac encoded data using ffmpeg. But after encoding I get noise-full data, not the correct one. Here I post my code, anyone help me with some ideas. Initial configuration: av_register_all(); …
Kumar
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Yocto build failed while upgrading to pulseaudio 12.0

I have never worked with Yocto before, have a chance of upgrading the pulseaudio from 9.0 to 12.0 for webos. However when I am using the 12.0's pulseaudio.inc file, made changes as per my requirement, i am facing the following error during…
ashutosh
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Audio not working for rails app on heroku

I am using espeak-ruby gem on my rails app and it is working fine on my local machine. When I deployed to heroku, the app did not work because there was no espeak installed on heroku. Then I used the build-buildpack-apt to install espeak on heroku.…
gsumk
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Pulse audio doesn't start on boot unless i run some commands

as the title says, pulse audio doesn't start when booting. I need to run rm -rf /tmp/pulse* ~/.pulse* ~/.config/pulse pulseaudio -k pulseaudio --start in order for it to start. I have even put these commands on an .sh and made this script to run…
Panos Trak
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How to force OpenAL to interface with pulseaudio in libgdx? (works on GNOME but not on i3)

I have a problem with openAL and pulseaudio. When I run the original generated libgdx code it works fine. However when I start my volume control GUI (pavucontrol) I get a message saying pulse audio has not been started. However if I am to start…
Joshua Avery
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Need to change volumes of independent streams

I'm building an art piece, and we have a number of interactive elements with sounds and buttons. Some of the sounds are very long running ( forever ), some of the sounds play for only minutes, everything is real-time changeable, all the volumes have…
Brian Bulkowski
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pulseaudio under awesome wm

I try run pulseaudio under awesome in manual way. (Ubuntu Mate 18.04 on gpd pocket) A use command pulseaudio --start -vvv and have error "Daemon startup failed", and not other errors. Try using: systemctl --user restart pulseaudio.socket and…
Some
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