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[ANN] QjackCtl 1.0.4 - An Early Spring'25 Release

by Rui Nuno Capela

Greetings everyone! QjackCtl 1.0.4 (early-spring'25) is released! QjackCtl [1] is an aged yet modern, not so 'simple' anymore, Qt [2] application to control the JACK [3] sound server, for the Linux Audio [4] infrastructure. Change-log: - Fixed command line parsing (QCommandLineParser/Option) to not exiting the application with a segfault when showing help and version information. - Graph: force an actual complete refresh on main View/Refresh..., especially when changing the color theme palette on-the-fly. Website: https://qjackctl.sourceforge.io http://qjackctl.sourceforge.net Project page: https://sourceforge.net/projects/qjackctl Downloads: https://sourceforge.net/projects/qjackctl/files - source tarball: https://download.sf.net/qjackctl/qjackctl-1.0.4.tar.gz - source package: https://download.sf.net/qjackctl/qjackctl-1.0.4-5.1.rncbc.suse.src.rpm - binary packages: https://download.sf.net/qjackctl/qjackctl-1.0.4-5.1.rncbc.suse.x86_64.rpm - AppImage [6] package: https://download.sf.net/qjackctl/qjackctl-1.0.4-5.1.x86_64.AppImage Git repos: https://git.code.sf.net/p/qjackctl/code https://github.com/rncbc/qjackctl.git https://gitlab.com/rncbc/qjackctl.git https://codeberg.com/rncbc/qjackctl.git License: QjackCtl [1] is free, open-source Linux Audio [4] software, distributed under the terms of the GNU General Public License (GPL) version 2 or later [5]. References: [1] QjackCtl - A JACK Audio Connection Kit Qt GUI Interface https://qjackctl.sourceforge.io [2] Qt framework, C++ class library and tools for cross-platform application and UI development https://qt.io/ [3] JACK Audio Connection Kit https://jackaudio.org [4] Linux Audio consortium of libre software for audio-related work https://linuxaudio.org [5] GPL - GNU General Public License https://www.gnu.org/copyleft/gpl.html [6] AppImage, Linux apps that run anywhere https://appimage.org/ See also: https://www.rncbc.org/drupal/node/2746 Enjoy! - - - rncbc aka Rui Nuno Capela

5 months, 3 weeks

Release aloop v0.4

by Hermann Meyer

aloop is a audio file looper for Linux using PortAudio as backend (jack, pulse, alsa), libsndfile to load sound files and zita-resampler to resample the files when needed. For varispeed, fine tuning and pitch shifting it use librubberband. The GUI is created with libxputty. This release add support for varispeed, fine tuning and pitch shifting, contributed by @rubberplayer <https://github.com/rubberplayer> <https://github.com/brummer10/aloop/blob/main/alooper.png?raw=true> aloop comes with the following features: * support all file formats supported by libsndfile. * resample files on load to match session Sample Rate * file loading by drag n' drop * included file browser * open file directly in a desktop file browser * open file on command-line * create, sort, save and load playlists * select to loop over a single file or over the play list * move play-head to mouse position in wave view * set loop points for start/end loop * save loop points in play list * save selected loop as wav file * play backwards * volume control * endless looping * break playback (keyboard support space bar) * reset play-head to start position (keyboard support courser left) * varispeed * fine tuning * pitch shifting To build from source please use aloop-v0.4.tar.xz as only this contain the needed submodules to build aloop successful. Dependencies * libsndfile1-dev * portaudio19-dev * libcairo2-dev * libx11-dev * librubberband-dev Project Page: https://github.com/brummer10/aloop Release Page: https://github.com/brummer10/aloop/releases/tag/v0.4

5 months, 3 weeks

NeuralRack v0.1.1 released

by Hermann Meyer

This is the first release of NeuralRack. NeuralRack is a Neural Model loader (based on Ratatouille), it allow to load two model files and run them serial. The input/output could be controlled separate for each model. It supports *.nam files <https://tonehunt.org/models?tags%5B0%5D=nam> with the Neural Amp Modeler <https://github.com/sdatkinson/NeuralAmpModelerCore> engine, or *.json or .aidax files <https://tonehunt.org/models?tags%5B0%5D=aida-x> with the RTNeural <https://github.com/jatinchowdhury18/RTNeural> engine. For tone sharping a 6 band EQ could be enabled. NeuralRack provide a mono input and a stereo output. Additional it allow to load up a separate Impulse Response file for each output channel (stereo). Neuralrack provide a buffered Mode which introduce a one frame latency when enabled. It moves the complete processing into a background thread. That could reduce the CPU load when needed. The resulting latency will be reported to the host so that it could be compensated. NeuralRack could be build as LV2 plug or/and as stand alone application. Stand alone it could be used with JackAudioConnection Kit or with Alsa (pipewire). Project Page is here: https://github.com/brummer10/NeuralRack Release Page with pre-build binaries is here: https://github.com/brummer10/NeuralRack/releases/tag/v0.1.1

6 months

Ratatouille.lv2 v0.9.9 released

by Hermann Meyer

Ratatouille is a Neural Model loader and mixer for Linux/Windows. ![Ratatouille](https://github.com/brummer10/Ratatouille.lv2/blob/main/Ratatouille.png?raw=true) This release Fix a issue with the lv2 plugin from last 0.9.8 release which leads to a crash on several hosts. It also introduce a stand-alone version for Linux and windows. Stand-alone app will auto save and reload the last used settings. A prebuild binary of the app is provided here in Ratatouille.lv2-app-v0.9.9-linux-x86_64.tar.xz/ Ratatouille.lv2-app-v0.9.9-win64.zip Note that the binary is fully optimized, so when your CPU didn't support x86-64-v3 the only way to get it is to compile it yourself. Ratatouille allow to load up to two neural model files and mix there output. Those models could be [*.nam files](https://tonehunt.org/all) or [*.json or .aidax files](https://cloud.aida-x.cc/all). So you could blend from clean to crunch for example, or, go wild and mix different amp models, or mix a amp with a pedal simulation. Ratatouille using parallel processing to process the second neural model and the second IR-File to reduce the dsp load. Ratatouille allow to compensate phasing issues between the loaded Models. The "Delay" control could add a small delay to add some color/reverb to the sound. To round up the sound it allow to load up to two Impulse Response files and mix there output as well. You could try the wildest combinations, or, be conservative and load just your single preferred IR-File. Each neural model may have a different expected Sample Rate, Ratatouille will resample the buffer to match that. Impulse Response Files will be resampled on the fly to match the session Sample Rate. Project Page (Source Code): https://github.com/brummer10/Ratatouille.lv2 Release Page (Binaries): https://github.com/brummer10/Ratatouille.lv2/releases/tag/v0.9.9 have fun

6 months, 1 week

sfz host on headless raspberry pi

by Atte Jensen

Hi all! I'm looking for a way to run sfz files on a raspberry pi 4. I need to run several sfz files simultaneously (on different midi channels, one midi input and rudimentary mixing is sufficient. The pi has a fresh debian bookworm install... What are my options? Thanks in advance! -- Atte http://a773.dk/latestyoutube

6 months, 1 week

using nvidia hdmi output with jack (through zita or alsa_out)

by Athanasios Silis

Hi all, I use jack as client (so with -dnet backend) and I'd like to route some streams to the hdmi output which is connected to a AV amplifier. $ aplay --list-devices | grep -vi subdev **** List of PLAYBACK Hardware Devices **** card 0: PCH [HDA Intel PCH], device 0: ALC1150 Analog [ALC1150 Analog] card 0: PCH [HDA Intel PCH], device 1: ALC1150 Digital [ALC1150 Digital] card 1: NVidia [HDA NVidia], device 3: HDMI 0 [HDMI 0] card 1: NVidia [HDA NVidia], device 7: HDMI 1 [HDMI 1] card 1: NVidia [HDA NVidia], device 8: HDMI 2 [HDMI 2] card 1: NVidia [HDA NVidia], device 9: HDMI 3 [HDMI 3] card 1: NVidia [HDA NVidia], device 10: HDMI 4 [HDMI 4] card 1: NVidia [HDA NVidia], device 11: HDMI 5 [HDMI 5] card 1: NVidia [HDA NVidia], device 12: HDMI 6 [HDMI 6] and $ aplay -L | grep -vE '^ ' default surround21 surround40 surround41 surround50 surround51 surround71 null samplerate speexrate jack oss pulse upmix vdownmix [...skipped all PCH entries...] hdmi:CARD=NVidia,DEV=0 hdmi:CARD=NVidia,DEV=1 hdmi:CARD=NVidia,DEV=2 [...] dsnoop:CARD=NVidia,DEV=3 dsnoop:CARD=NVidia,DEV=7 [...] hw:CARD=NVidia,DEV=3 hw:CARD=NVidia,DEV=7 [...] plughw:CARD=NVidia,DEV=3 plughw:CARD=NVidia,DEV=7 [...] usbstream:CARD=NVidia attempting to start zita-j2a or alsa_out starts up fine but I get no sound afterwards: *$ zita-j2a -j nv_out -c 8 -n2 -p1024 -r 48000 -d hdmi:NVidia,0* I have also tried other devices hdmi:NVidia,x # where x = 0-6 hw:NVidia,y # where y = 3,7,8,9,10,11,12 I also tried desperately some dmix and plughw devices. none produces any sound. Please note that if I don't use jackd, but instead output sound to pulseaudio (where hdmi output is selected as default), sound works fine. Googling about it only helped confuse me further because i am now not even sure if simple PCM output (which is what -I presume- zita outputs) is the "right type of stream". i.e. does pulseaudio convert the stream to some digital DTS/AC3 etc format instead of pcm ? Thank you in advance for your help

6 months, 1 week

Re: jackd suddenly stopped working

by Athanasios Silis

you were absolutely right. I did not know pipewire-jack lacked the backends. So it appears that the latest auto-update reverted my settings - during my initial installation of ubuntu studio 24.04 I had switched from pipewire-jack to jackd+pulseaudio (using "ubuntustudio audio controls") . anyway it is indeed fixed. I wonder if there was any way that I could "see" that the pipewire-jack was selected other than the fact that the backends were missing. Thanks again for the reminder that helps me solve this. On Sun, Mar 9, 2025 at 11:32 AM David Kastrup <dak(a)gnu.org> wrote: > Athanasios Silis <athanasios.silis(a)gmail.com> writes: > > > Hi all, > > I am using ubuntu studio 24.04 and it looks like jackd2 has stopped > working > > on a jackd client that I am using: > > > > I used to start normally the jackd session as > > $ jackd -dnet -C 4 -P 8 > > > > but I've been seeing these messages since last night: > > jackdmp 1.9.21 > > [...] > > [W][02502.216661] default | [ control.c: 67 > > jackctl_server_create2()] not implemented 0x573493a90ec0 0x573493a91020 > > 0x573493a910f0 > > [W][02502.216855] default | [ control.c: 154 > > jackctl_server_get_parameters()] 0x57349bb68d10: not implemented > > [W][02502.216925] default | [ control.c: 142 > > jackctl_server_get_drivers_list()] 0x57349bb68d10: not implemented > > [W][02502.216966] default | [ control.c: 225 > > jackctl_driver_get_name()] 0x57349bb68cf0: not implemented > > *Unknown driver "net"* > > [W][02502.217019] default | [ control.c: 94 > > jackctl_server_destroy()] 0x57349bb68d10: not implemented > > > > I am mostly worried about this > > "unknown driver net" messages, but perhaps the warnings are also > relevant. > > > > Indeed something is changed and the backends have vanished: > > $ jackd --help > > [...] > > Available backends: > > [W][03817.946848] default | [ control.c: 233 > > jackctl_driver_get_type()] 0x5a35d9340cf0: not implemented > > [W][03817.946852] default | [ control.c: 225 > > jackctl_driver_get_name()] 0x5a35d9340cf0: not implemented > > dummy (slave) > > > > [W][03817.946857] default | [ control.c: 165 > > jackctl_server_get_internals_list()] 0x5a35d9340d10: not implemented > > Available internals: > > > > [W][03817.946863] default | [ control.c: 94 > > jackctl_server_destroy()] 0x5a35d9340d10: not implemented > > > > I found this topic https://linuxmusicians.com/viewtopic.php?t=19590 > where > > reinstalling jack in arch fixed their issue.. > > > > I tried the same as > > $ dpkg -l | grep jackd > > $ sudo apt install --reinstall jackd jackd2 jackd2-firewire > > libjack-jackd2-0 libjack-jackd2-dev > > > > but the issue persists. I assume some automatic update caused this but I > > wonder if anyone else has seen this and if you managed to fix it somehow. > > > > Thank you in advance for your help > > I don't think that this jack, actually. Instead it looks like the jack > emulation layer of pipewire. > > If you really need jack, try installing pulseaudio (which will supplant > pipewire but leave jack alone) as the Ubuntu default desktop sound > daemon. > > -- > David Kastrup >

6 months, 1 week

jackd suddenly stopped working

by Athanasios Silis

Hi all, I am using ubuntu studio 24.04 and it looks like jackd2 has stopped working on a jackd client that I am using: I used to start normally the jackd session as $ jackd -dnet -C 4 -P 8 but I've been seeing these messages since last night: jackdmp 1.9.21 [...] [W][02502.216661] default | [ control.c: 67 jackctl_server_create2()] not implemented 0x573493a90ec0 0x573493a91020 0x573493a910f0 [W][02502.216855] default | [ control.c: 154 jackctl_server_get_parameters()] 0x57349bb68d10: not implemented [W][02502.216925] default | [ control.c: 142 jackctl_server_get_drivers_list()] 0x57349bb68d10: not implemented [W][02502.216966] default | [ control.c: 225 jackctl_driver_get_name()] 0x57349bb68cf0: not implemented *Unknown driver "net"* [W][02502.217019] default | [ control.c: 94 jackctl_server_destroy()] 0x57349bb68d10: not implemented I am mostly worried about this "unknown driver net" messages, but perhaps the warnings are also relevant. Indeed something is changed and the backends have vanished: $ jackd --help [...] Available backends: [W][03817.946848] default | [ control.c: 233 jackctl_driver_get_type()] 0x5a35d9340cf0: not implemented [W][03817.946852] default | [ control.c: 225 jackctl_driver_get_name()] 0x5a35d9340cf0: not implemented dummy (slave) [W][03817.946857] default | [ control.c: 165 jackctl_server_get_internals_list()] 0x5a35d9340d10: not implemented Available internals: [W][03817.946863] default | [ control.c: 94 jackctl_server_destroy()] 0x5a35d9340d10: not implemented I found this topic https://linuxmusicians.com/viewtopic.php?t=19590 where reinstalling jack in arch fixed their issue.. I tried the same as $ dpkg -l | grep jackd $ sudo apt install --reinstall jackd jackd2 jackd2-firewire libjack-jackd2-0 libjack-jackd2-dev but the issue persists. I assume some automatic update caused this but I wonder if anyone else has seen this and if you managed to fix it somehow. Thank you in advance for your help

6 months, 1 week

extended CfP: SMC 2025, Jul 7-9 (Summer School), 10-12 (Conference/Concerts), MUMUTH/Kunstuni Graz

by IOhannes m zmoelnig

In case you have missed both the original deadline and our announcement for extending it: IEM (iem.at) and the SMC network (smcnetwork.org) extends its call for paper contributions to SMC, which will be held in Graz, consisting of a summer school between July 7th and 9th, and the conference/concerts as main event between July 10th and 12th at MUMUTH/Kunstuni Graz, 2025. The new submission deadline for papers is **March 12th 2025**. See <https://smc25.iem.at> for details; we chose "Auditory Landscapes" as a theme. IOhannes (for the Graz SMC25 team)

6 months, 2 weeks

I've actually been making music again

by Will Godfrey

Yes I know that's a strange thing to do :p Anyway, this is the last track on my latest bandcamp album: https://willgodfrey.bandcamp.com/track/twixt-stars P.S. No prizes for guessing which synth I use for this! -- Will J Godfrey {apparently now an 'elderly'} https://willgodfrey.bandcamp.com/ http://yoshimi.github.io Say you have a poem and I have a tune. Exchange them and we can both have a poem, a tune, and a song.

6 months, 3 weeks

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