Stack Overflow
Stack Overflow

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.

369 questions
0
votes
0 answers

Why do i get low quality audio input in raspberry pi 3 using Bluetooth headset?

Im working on project that implements speech recognition on @Raspberry_Pi I use Bluetooth microphone for audio input and use pulseaudio as driver, but i get low quality sound that make me can't continue further step. Does anyone know how to solve…
moxspoy
  • 154
  • 1
  • 4
0
votes
1 answer

Why is Hotspot throwing a pulseaudio exception?

Okay I'm rather confused by this issue. I'm trying to run some proprietary software that seems to work for one person but not for two others. The software is throwing this exception: Exception in thread "AWT-EventQueue-1"…
drew
  • 577
  • 2
  • 8
  • 20
0
votes
1 answer

Pulseaudio module-combine-sink always throws Failure

I am new to PulseAudio. As per my requirement, I need my audio output to be routed to either connected speaker, Bluetooth speaker, or both. I am able to play the media file on speaker, or Bluetooth headset individually, however, I am not able to…
ashutosh
  • 79
  • 3
  • 8
0
votes
0 answers

A Segmented error occurred while I was using the pulseaudio API

I had a segment error while running "Sample Async Playback" provided by "pulseaudio"。 but my compilation passed. Compile the way gcc pa-beep.c -lpulse-simple -shared -fPIC -g Here's Contains library files #include #include…
龙傲天
  • 1
  • 3
0
votes
1 answer

Pulseaudio setting up sinks and sources for A2DP and HFP connections

I'm trying to set up A2DP+HFP profiles in an embedded board. Goal is to use pulseaudio 12.2, ofono 1.18, and bluez 5.41 in order to connect to a mobile phone and use A2DP, HFP profiles automatically, whenever necessary. I did lots and lots of things…
mozcelikors
  • 2,582
  • 8
  • 43
  • 77
0
votes
2 answers

Failed to capture microphone input using pulseaudio as a systemd unit

I created a small go program that uses these go bindings to record some commands from the default microphone and act accordingly. It works fine as a standalone binary(both as normal user and root user) but when I tried to convert it into a systemd…
Siddharth Shishulkar
  • 133
  • 5
0
votes
1 answer

Trouble compiling linux C program in cygwin

I'm trying to compile a program called minimodem for linux in Cygwin, because I want to be able to run it in windows. It's a simple command line program, and I installed Cygwin with basically all of the required libraries to compile it. Some of the…
8bit_coder
  • 62
  • 1
  • 7
0
votes
0 answers

linux: virtual mic using gstreamer

I want to dump audio data from an audio file to sound server so that I can emulate microphone. How to do this in ubuntu? Gstreamer solution is preferred. Flow:Audio file -> Sound server src(where mic also dumps its data) Already tried :…
humble_wolf
  • 1,497
  • 19
  • 26
0
votes
1 answer

Switch puls audio record stream for gstreamer pipeline

I currently try to capture the audio playback from my computer and forward it to an icecast2 server, sothat I am able to listen the computer playback on my internet radios. Therefore I first grep the correct soundcard with: pactl list | grep -A2…
webbolle
  • 43
  • 1
  • 3
0
votes
2 answers

Create a real-time audio filter for Alsa/Pulse loopback

I would like to reproduce the effect of active noise-control headphones using regular headphones and a Linux computer, in order to mute any ambiant noise in realtime (not just cleaning a sound input from background noise). The plan is to loopback…
Aurélien Pierre
  • 604
  • 1
  • 6
  • 20
0
votes
1 answer

pulseaudio - Audio Record Application - Access Denied Error

I am working on pulseaudio for recording sound and I faced with the "Access Denied" error. First of all, I am working in Ubuntu 16.04 machine. I am trying to connect to server with following part of code : _s = NULL; int32_t err…
user3104363
  • 182
  • 1
  • 14
0
votes
0 answers

alsa not playing the complete file

I am trying to read a wave file and play it on one of the sound cards on the board. Below is the code. I am facing several problems with this code. I am trying to play files with various sample rates. With a file of Sampling rate of 8KHz, File…
Rohit Walavalkar
  • 790
  • 9
  • 28
0
votes
1 answer

Server Platform for Audio Processing

I'm trying to build a server for processing audio from an incoming UDP connection. I need to be able to do things like change the frequency of the incoming stream (probably a .wav), the amplitude, time shift it, etc. then feed the output back out in…
kurifu
  • 1
0
votes
1 answer

need to retry to open alsa for it to work

I can run aplay with no problem, and play a wav test file. In my application, the call to snd_pcm_open gives the following error: ALSA lib conf.c:3357:(snd_config_hooks_call) Cannot open shared library libasound_module_conf_pulse.so ALSA lib…
cauchi
  • 1,463
  • 2
  • 17
  • 45
0
votes
1 answer

Multicast streaming of music file (wav, mp3, ...etc) with GStreamer: can receive but the data is Intermittent

I want to implement multicast streaming in embedded-linux (Yocto) system. I thought that Gstreamer is easy to implement it, but the received data is choppy and like as if it passes low-pass filter when the filesrc is mp3. When the filesrc is wav,…
user8257918
  • 55
  • 3
  • 13
1 2 3
…
24 25