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0
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1answer
15 views

Jack not recognizing MIDI device

Jack does not recognize my MIDI keyboard, whereas ALSA does. Here are the logs : pi@raspberrypi / $ jack_lsp system:playback_1 system:playback_2 LinuxSampler:midi_in_0 LinuxSampler:0 ...
2
votes
1answer
62 views

How to configure which sound card jack2 will use

I've installed jack2 as a substitution for jack from official repositories (I'm on Arch Linux): # pacman -S jack2 I need to use jack2 because it provides jackd (it's needed for another ...
1
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0answers
39 views

JACK issues on Lubuntu, any thoughts? “Driver is not running”

I am trying to set up JACK and Wine to run FL Studio on Lubuntu. Upon running qjackctl and attempting to start JACK, I get the following error. Any thoughts? I disabled JACK D-Bus and got fewer ...
2
votes
1answer
704 views

Alsa & JACK - card and device names (different naming conventions)

I am a bit confused about audio device names. If I use command aplay -l i get the list of all audio devices on my system: **** List of PLAYBACK Hardware Devices **** card 0: NVidia [HDA NVidia], ...
0
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0answers
201 views

jackd error ALSA: could not start playback (Cannot allocate memory)

I'm using a headless Raspberry pi setup using ssh from my mac. I recently purchased a Wolfson pi sound card and am trying to start JACK from the command line. When I type jackd -d alsa, I receive the ...
1
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0answers
383 views

alsa and 5.1 surround through three front stereo jacks on the Dell Studio XPS 13

I know this is not a tech support forum, but I am not etting an answer from alsa people and have tried much, if not everything. I can upload the alsa-info output if needed, but here is the info ...
2
votes
1answer
55 views

Pipe output of jack_cpu_load through sed

In the shell, when I pipe jack_cpu_load through sed, or cut, no matter what options I use it stops printing just before the lines I want to see. jack_cpu_load | sed -n 8p will print: Jack: ...
2
votes
1answer
1k views

Live noise cancellation of microphone audio with JACK, ALSA, Audacity?

Audacity has a very nice noise cancellation filter. Is it possible, using JACK with ALSA, to pipe live audio through Audacity's noise cancellation filter?
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0answers
43 views

How to set gstreamer backend to JACK

How do I set the gstreamer backend for versions 0.10 as well as 1.0 to JACK instead of pulse (or the autoaudiosink). I have tried the gstreamer-properties method, however that has failed for me.
1
vote
1answer
2k views

How to restart Alsa/PulseAudio after using Jack

After I use Jack, the PulseAudio outputs and inputs are replaced by a dummy device. I've tried to kill PulseAudio and reload Alsa, but the only way I can use an Alsa-based application again is to ...
1
vote
0answers
44 views

How can I stub out an audio interface in jack?

I've got a Tascam US-800 8-in/4-out audio interface that I use to record into Ardour. The setup is great, but I like to do my mastering and mixdowns elsewhere and I always have to drag around the ...
1
vote
1answer
97 views

Losing (realtime) permission when sudoing from root to myself

After an upgrade to debian wheezy (I did not upgrade the kernel - it is still 3.8.2) I can no longer start jackd in the way I used to do it. I get you are not allowed to use realtime scheduling. My ...
5
votes
1answer
376 views

Linux sound: how does it work and why do I need to chain 3 architectures to use JACK?

Linux newbie: How do I use Jack? How does Linux sound work? I have an app that is trying to output sound through ALSA or JACK, but I am not hearing anything. Here are a couple of articles, from ...
2
votes
0answers
84 views

Configuring jackd (JACK daemon) with ALSA

I'm trying to wrap my head around ALSA config files and jackd, but I'm not getting anywhere, other than crashing my machine. The microphone is a USB type and specified in ALSA arecord as -D ...
5
votes
1answer
2k views

Linux newbie: How do I use Jack? How does Linux sound work? [closed]

I am a Linux newbie. I know my way around the command-line enough to where it doesn't get in the way of my day job (I develop web applications in Python). This involves some piping, grep, awk, and ...
2
votes
1answer
761 views

Espeak showing some warnings and Input output error

I am running espeak on Linux Mint 14. Whenever I try to run it, it shows following warnings ( Not errors as it works correctly ). ALSA lib pcm.c:2217:(snd_pcm_open_noupdate) Unknown PCM ...
1
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0answers
27 views

Starting jackd after using other audio

I know this is probably a common question. When I start jackd after first booting, everything works fine. If I use another audio (such as Banshee or Youtube, etc) jack won't start. From what I ...
5
votes
1answer
2k views

Jack vs Pulseaudio — how is it faster?

I see a bunch of claims that Jack is faster than Pulse and has less latency. How is that so? Why does Pulse call itself lightweight, and the Jack guys call it fat? Could anyone break down the ...
0
votes
2answers
588 views

What Linux distro is good for music and well supported?

I'm pretty disappointed with Ubuntu. It's never been easy to sort out the mess that is Alsa / Jack / whatever and have it work with Pd, Supercollider, Ardour, Lillypad. I've upgraded to the latest ...
6
votes
1answer
3k views

Can someone diagnose this JACK error message?

OK. I start JACK without starting the JACK server. I get: 23:09:22.730 Patchbay deactivated. 23:09:22.765 Statistics reset. Cannot connect to server socket err = No such file or directory Cannot ...
3
votes
1answer
997 views

Issues with ardour and jackd

I'm trying to play with ardour. When I started it up, it complained that jackd isn't running, so I ran jackd -d alsa, which displayed: jackdmp 1.9.6 Copyright 2001-2005 Paul Davis and others. ...
3
votes
2answers
836 views

Is there a linux distro that uses Jack audio server all the time?

By this I mean a distro that does not use pulse audio at all. So when you are runing programs like miro or mumbles you do not lose audio playback becuase Jack took over the audio stack.
2
votes
1answer
2k views

How to turn microphone jack to headphones jack?

I've picked out my headphones jack. Can i change my microphone jack to headphones jack only by soundsystem configuration? My soundcard is Intel82801I (ICH9 Family) HD.
2
votes
1answer
2k views

Help configuring DBUS to start JACK

I have the Jack Audio Connection Kit (JACK) installed, but cannot seem to get jack_control start to start the service. I'm using Slackware64-current, which recently updated its ...