Questions tagged [jack]

JACK is a low-latency sound server, allowing multiple applications to connect to one audio device, and to share audio between themselves. Many Professional-grade programs (such as Hydrogen and Ardour) on Ubuntu utilize JACK for maximum hardware compatibility and performance.

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In JACK-Connnections, Yamaha AG06 Interface is listet as ALSA-MIDI not as Audio

After programming my Behringer FCB1010 FootController using a Midi-USB-Interface, JackCtl now lists my Yamaha AG06 as a ALSA-MIDI device but AG06 is an audio-interface. Why is this detected wrong and ...
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Ubuntustudio lost sound

I have UbuntuStudio dual boot with Windows 10 on a Dell Inspiron 5490 laptop. Audio worked fine for some months, but suddenly all I get in my session (my user) is a dummy audio output. Other user ...
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Internet DP Console random mode is not working

The normal mode is working, but random mode is not working. How can I fix this?
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jack not running/cannot be started

I have an Ubuntu 18.04, and have installed gnss-sdr to capture signals via an rtl-sdr.So, the problem is when I run the config file, I get the error below.Please help me resolve this issue '''gnss-sdr ...
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Trying to install Cadence JACK audio toolbox and I keep getting sent to MATLAB inferface configuration

Okay I've been trying to install Cadence Jack audio toolbox for a couple days now and I've finally had enough every time I try to run the repository seen on KXStudio's website: sudo apt-get install ...
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Routing sound from JackD to snd_aloop to PulseAudio managed sink

I would like to make JackD and PulseAudio work together in a way that seems to be not very common, namely JackD writes to an ALSA loopback device which is supposed to be read by PulseAudio and ...
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24 views

How to set up a usb keyboard with 20.10?

I've been looking around for solutions for using a midi keyboard with ubuntu, but all the documentation I've seen thus far is hard to follow and outdated. I have a 49-key usb/midi keyboard controller, ...
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29 views

pulseaudio, replaced by jackd on demand only

I've rediscovered jackd, because I have to ... to use bitwig. I would like to have a setup like this: only pulseaudio running when everythign goes normal, ie office work, etc., as for me it seems ...
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JACK sinks and sources no longer auto-spawning

Where's the first place I should look when module-jackdbus-detect stops autospawning sinks and sources?
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66 views

Is audio latency reduced on Ubuntu Studio versus Windows 10?

Although I'm still working out how to best use ALSA or Jack on Ubuntu Studio 20.04.2, my question at the moment is simply whether the native audio latency is different or better on Ubuntu vs Windows ...
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Why does autojack 'start synchronization' every second?

I run Ubuntu Studio 20.04, and looking in /var/log/syslog, I see lots of logs from the process 'autojack': 10:00:15 amd-desktop autojack[3337]: Starting synchronisation. 10:14:00 amd-desktop autojack[...
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Jack audio connections not working

I'm running ubuntu studio 20.04, and I'm trying to use a 4 channel USB mixer as input and use the headphone jack on the laptop to monitor output (post processing from a few or applications like ...
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Routing audio from YT to Bitwig

My first post If you need any more system info or anything then please let me know. I have everything set up and working together pulse, jack qjack alsa etc and I can play a track on YT or other web ...
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Setting up Nektar impact LX25+ in Ubuntu

I'm running Ubuntu on a Dell XPS 13 with Waveform free primarily as my DAW. I just bought a shiny new controller keyboard and I can't get a blip out of it. I initially tried setting it up with my ...
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242 views

How to get JACK / jackd not to run at startup

I installed JACK and qjackctl on Ubuntu 20.04. Now jackd starts on startup, which means that my normal (non-DAW) applications can't produce sound until I run sudo killall jackd. There's no sign of ...
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Switching to headphones with PulseAudio bridged to Jack

I have an XPS-13 9380, running Ubuntu 20.04, and have installed Ubuntu Studio Controls on it, with which I can start up JACK and bridge pulseaudio to JACK. This works great, except that when I plug in ...
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Soundcard devices disappeared from JACK and Carla. How do I get them back?

I installed Ubuntu Studio a while ago and from the get-go I ran into problems with JACK. I was able to get things working enough with Pulseaudio alone to do all my basic tasks: basic browsing, listen ...
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Jack Audio Server doesn't recognize new clients

I'm running Ubuntu 20.04 on a secondary SSD on my Laptop. In Order to record some guitar music with my Boss ME-80 and Audacity, I decided to get Jack and QJackCtl. After Installation, once I click ...
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Jack doesnt work properly, kXRunCallback

Ubuntu is provided with the program Jack. Jack is meant to connect different sound systems in Ubuntu. When I start Jack, the following information is given in the notification window. In short, this ...
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43 views

Built-in laptop mic not working with PulseAudio and Alsa both bridged to Jack

I have an audio interface (Scarlett 2i2) connected via USB to my laptop. I run Jack as my main audio server and bridge PulseAudio to it as well as ALSA -> Pulse -> Jack. I'm using Cadence to ...
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545 views

Ubuntu Studio 20.04, getting Pulse Audio and JACK to play nice

I have seen similar questions from 5 years ago or more, so I'm not sure what the current solutions are. I have an audio setup on Arch using Cadence and have Pulse and JACK playing nice together. When ...
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159 views

Get playback from rosegarden via qsynth and jack

I am trying to rekindle an interest in making music with rosegarden after a lapse of 5 years or so. I am using Ubuntu 20.10 so much has changed. The first hurdle was the need to install jack from the ...
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How to loop back “headphones” audio

I am running Ubuntu 20.04 on a Raspberry pi and I would like to record the output from the speakers connected to the jack output of the rpi so that another application can receive its signal. I have ...
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25 views

Connect mic to mixing software to reduce noise

I got a good usb microphone with excellent quality, but I also have a clicky mouse and keyboard (both with mechanical switches). I wanted to ask if it is possible to connect my mic to some kind of ...
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377 views

Audio Pops & Clicks on USB-Soundcard

I am running Ubuntu 20.04 on an Intel Machine. When i try to playback audio on my Steinberg UR22 (Mk 1) Interface there are clicks in the audio playback. It does not matter if i use Pulseaudio, ALSA ...
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Ubuntu Studio 20.04 + Ardour 5 + EMU 0404 PCI // Stereo-input for recording not working

im absolutely stuck on getting Ubuntu Studio 20.04 + Ardour 5 + EMU 0404 PCI working as it should. I did install Ubuntu Studio on an old PC of a buddy of mine. He wants to do some recordings and it is ...
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Mic not working properly

I have a samsung notebook 3 with Ubuntu 20 running in it I actually use zoom but from past 2 days iam facing this problem where if I unmute myself and say something my voice is so meek that the ...
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132 views

Studio Controls “Auto connect port” disabled

I used Ubuntu Studio Installer on top of Kubuntu 20.04. After that, I added the Ubuntu Studio Backports PPA. That got rid of ubuntustudio-controls and replaced it with studio-controls. This is my ...
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300 views

How would I know if I'm using PulseAudio, ALSA, or Jack?

Ubuntu 20.04.1 (upgraded from Ubuntu 16.04 -> 18.04 -> 20.04 if that matters)... I have just done default install plus gnome-session-flashback and other non-audio related packages (Gimp, Blender,...
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Issue with Ableton Live Runnin' trought winehq

so, don't ask me why i don't use Bitwig, because i personally don't like it, i don't like lmms or ardour or reaper. I'm an ableton user, my computer runs perfectly on UBUNTU 20.04 and i love this ...
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78 views

Ubuntu Studio 20.10 Loopback / Monitor Microphone Realtime

How could I further reduce delay? Audacity seems to add a bit more delay. So I have routed input to output, and enabled realtime, through QjackCtl. I still notice quite a bit of delay. I am at the ...
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Ubuntu Studio 20.10: Audio Drivers not playing well together ft. Alsa, Jack, and Pulseaudio

I've done a lot of searches and read a lot of man pages before coming here but I must not be asking the right questions in my searches and evidently have a lot to learn about these audio controls. My ...
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No sound from audio interface Ubuntu 18.04.5

Behringer-UMC202HD Audio comes out from the computer, but there is no input from the interface when i try to record guitar on audacity and im having problems with guitarix too. Nothing happens on the ...
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247 views

JACK server could not be started HELP!

I have Ubuntu 18.04.5. When opening QjackCtl i get the following ''D-BUS: JACK server could not be started. Sorry'' 1 picture after that another window pops up saying ''Could not connect to JACK ...
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109 views

Share a multichannel audio card between multiple apps?

I have a question on OBS's forum about getting that app specifically to share with something else, but my question on this site comes at the problem from a different direction. Instead of getting one ...
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Jack server won't start with USB audio interface

I'm using XUbuntu 20.04. and USB audio interface Behringer UMC204HD. I can't start jack server with this device while it works fine with generic sound card. Running command: jackd -R -d alsa -d hw:...
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74 views

How to configure Ardour to work with Yoshimi?

I have Ubuntu Studio Linux running on a ThinkPad. I have a Keystation 49 onnected by USB as it has no midi hardware ports. I use a Behringer UMD404 external USB connected sound card interface.I have ...
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422 views

No sound from Ardour or Hydrogen using JACK on new install of Ubuntu Studio 20 on 2013 Macbook Pro

On a 2013 Macbook Pro (Retina) with a new installation of Ubuntu Studio 20, no sound is being produced from Ardour (digital audio workstation) or Hydrogen (drums/sequencer) while JACK audio connection ...
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165 views

Ubuntu Studio Controls: How to add and map surround audio channels to a pulse output bridge?

I am using Ubuntu Studio 20.04 with JACK through ubuntustudio-controls. I have a surround speaker system and must change the default pulse_out bridge sink from 2-channel stereo to 4-channel. The four ...
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127 views

Cannot start jack on Ubuntu Studio 20.04

08:51:01.783 Statistics reset. 08:51:01.791 ALSA connection change. 08:51:08.111 D-BUS: Service is available (org.jackaudio.service aka jackdbus). 08:51:08.158 Startup script... 08:51:08.158 pactl ...
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117 views

Emulate soundcard on VPS running Ubuntu 20.04

I'm attempting to use a VPS running Ubuntu 20.04 server to capture audio from chrome and redirect it to discord; not an ideal setup but it is the only source of stable internet to capture and ...
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192 views

How to start JACK server on Ubuntu?

I discovered that I am not able to start JACK server on my desktop running Ubuntu 18.04.5 LTS, which prevents me from running Ardour. I have tried a few things, which I found on Ask Ubuntu, but ...
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737 views

I installed Ubuntu Studio 20.04.1 and Jack is having some issues starting

Below is the messages from qjackctl upon attempting to start. What do i need to be able to use Jack? I have used the apt-get commands for both qjackctl and pulse and both are up to date, so im not ...
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135 views

I have just installed Ubuntu Studio 20.04 and am I trying to get QjackCtl to work

I am getting this message upon opening JACK Audio Conection kit Cannot connect to server socket err = No such file or directory Cannot connect to server request channel jack server is not running or ...
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Dell G3 no sound from headphone jack stereo

I have a Dell G3 from my work and I had to install Ubuntu but I'm in front of an issue and I tried a lot things found in the web but nothing works: I can't hear anything from my headphone jack except ...
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453 views

Errors starting qjackctl

I start qjackctl and see this: The RT is blinking, so good there. No audio though, e.g. on YouTube in a browser. Below is the text in Messages window when starting qjackctl It looks like jack is not ...
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114 views

Make PulseAudio switch to headphones when inserted

I have a Dell Latitude 3540 with Lubuntu 20.04 LTS. Possibly similar to Make PulseAudio prefer external audio device and Internal microphone doesn't work when using headphones, I bought a pair of ...
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162 views

JACK Audio Connection Kit / VMPK

I do this: $ echo autospawn=no > ~/.config/pulse/client.conf $ killall pulseaudio pulseaudio: no process found $ pasuspender qjackctl Connection failure: Connection refused ...
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Ubuntu 20:04 Novation XioSynth External USB Audio Interface producing popping & clicking sounds on playback , Alsa usb driver suspect

I need help troubleshooting a Novation XioSynth external usb interface running under Ubuntu 20:04. I hear popping , clicking noises on playback of an audio file . This is not the problem with ...
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309 views

Error to starting QJackCTL

i am using Ubuntu-Studio (20.04) i installed it a few days ago on a CX216 notebook, and it gives me the following error when trying to start QjackCTL: PS: I had previously tried installing it on a ...

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