Linux-audio-dev July 2025

linux-audio-dev@lists.linuxaudio.org

10 participants
8 discussions

by Jeanette C.

Hey hey, I'm looking for a quicktip or the right section of the manual. I'm looking at Faust, specifically the oberheim.dsp example. This filter has a frequency given as a normalised frequency in the range of 0 to 1. As far as I have been able to work out: this means that the real frequency is multiplied by ma.SR ot ma.SR / 2. As a parameter range for a plugin or something this is not very useful. So, how can I create a parameter that is rescaled using ma.SR or any of such constants, that cannot be known at compile time? Best wishes and thanks, Jeanette -- * Website: http://juliencoder.de - for summer is a state of sound * Youtube: https://www.youtube.com/channel/UCMS4rfGrTwz8W7jhC1Jnv7g * Audiobombs: https://www.audiobombs.com/users/jeanette_c * GitHub: https://github.com/jeanette-c I'm reaching out to you To find that you're not there <3 (Britney Spears)

1 week, 3 days

NeuralRack v0.2.0 released

by Hermann Meyer

NeuralRack is a Neural Model and Impulse Response File loader for Linux/Windows available as Stand alone application, and in the Clap, LV2 and vst2 plugin format. It supports [*.nam files](https://www.tone3000.com/search?tags=103) and, or [*.json or .aidax files](https://www.tone3000.com/search?tags=23562) by using the [NeuralAudio](https://github.com/mikeoliphant/NeuralAudio) engine. For Impulse Response File Convolution it use [FFTConvolver](https://github.com/HiFi-LoFi/FFTConvolver) Resampling is done by [Libzita-resampler](https://kokkinizita.linuxaudio.org/linuxaudio/zita-resam… New in this release: - implement Mix mode for IR convolver. - implement support for ASIO control panel (Windows) ![NeuralRack](https://github.com/brummer10/NeuralRack/raw/main/NeuralRack.png?raw=true) Neuralrack allow to load up to two model files and run them serial. The input/output could be controlled separate for each model. For tone sharping a 6 band EQ could be enabled. 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 could move one Neural Model, or the complete processing into a background thread. That will reduce the CPU load when needed. The resulting latency will be reported to the host so that it could be compensated. Project Page (source code): https://github.com/brummer10/NeuralRack/tree/main Release Page(binaries): https://github.com/brummer10/NeuralRack/releases/tag/v0.2.0

1 week, 5 days

Re: Your confirmation is needed to leave the linux-audio-dev@lists.linuxaudio.org mailing list.

by Marc Joliet

Am Samstag, 19. Juli 2025, 16:24:13 Mitteleuropäische Sommerzeit schrieb linux-audio-dev- confirm+d11887e9e044134819e2315c29391879bc8438d5(a)lists.linuxaudio.org: > Email Address Unsubscription Confirmation > > Hello, this is the GNU Mailman server at lists.linuxaudio.org. > > We have received an unsubscription request for the email address > > marcec(a)gmx.de > > Before GNU Mailman can unsubscribe you, you must first confirm your request. > You can do this by simply replying to this message. > > Or you should include the following line -- and only the following > line -- in a message to linux-audio-dev-request(a)lists.linuxaudio.org: > > confirm d11887e9e044134819e2315c29391879bc8438d5 > > Note that simply sending a `reply' to this message should work from > most mail readers. > > If you do not wish to unsubscribe this email address, simply disregard this > message. If you think you are being maliciously unsubscribed from the list, > or have any other questions, you may contact > > linux-audio-dev-owner(a)lists.linuxaudio.org

3 weeks, 1 day

[ANN] Dynamic Range Destroyer LV2 plugin (DRD.lv2)

by David Flater

Dynamic Range Destroyer (DRD.lv2 or simply DRD) is an audio compressor plugin that aims to remove changes in volume from an audio stream. This effect is also called auto volume levelling, volume normalization, or "stable volume." It supports mono, stereo, 6-channel, and 8-channel streams, and it preserves the balance among channels. https://github.com/DaveFlater/DRD

3 weeks, 1 day

[ANN] Qtractor 1.5.7 - A Summer'25 Release

by Rui Nuno Capela

Hi all, Qtractor 1.5.7 (summer'25) is out! Change-log: - Give some slack time to stabilize, when updating or changing audio bus channel counts, mitigating the probability to fault when unregistering old and registering new PipeWire/JACK ports in immediate succession. - Transport/Loop Set behavior slightly changed, now toggling the loop range if the edit-head/tail match current loop-start/end. - Introducing Aux-Send audio bus I/O matrix functionality. - Corrected greater-than-2-channel audio clip waveform drawing, while on certain zoom levels, an old bug lurking there since dawn, quite an example to the evil of too-early optimization ;) - Draw all audio clip peaks+rms waveforms slightly compressed, so that low-level signals have improved visibility. - Warn when saving any type of session into an extracted archive directory. Description: Qtractor [1] is an audio/MIDI multi-track sequencer application written in C++ with the Qt framework [2]. Target platform is Linux, where the Jack Audio Connection Kit (JACK [3]) for audio and the Advanced Linux Sound Architecture (ALSA [4]) for MIDI are the main infrastructures to evolve as a fairly-featured Linux desktop audio workstation GUI, specially dedicated to the personal home-studio. Website: https://qtractor.org https://qtractor.sourceforge.io http://qtractor.sourceforge.net Project page: https://sourceforge.net/projects/qtractor Downloads: https://sourceforge.net/projects/qtractor/files - source tarball: https://download.sf.net/qtractor/qtractor-1.5.7.tar.gz - source package (openSUSE Tumbleweed): https://download.sf.net/qtractor/qtractor-1.5.7-14.1.rncbc.suse.src.rpm - binary package (openSUSE Tumbleweed): https://download.sf.net/qtractor/qtractor-1.5.7-14.1.rncbc.suse.x86_64.rpm - AppImage [7] package: https://download.sf.net/qtractor/qtractor-1.5.7-14.1.x86_64.AppImage - Flatpak [8] package: https://flathub.org/apps/details/org.rncbc.qtractor Git repos: https://git.code.sf.net/p/qtractor/code https://github.com/rncbc/qtractor.git https://gitlab.com/rncbc/qtractor.git https://codeberg.org/rncbc/qtractor.git Wiki: https://sourceforge.net/p/qtractor/wiki/ - static rendering: https://qtractor.org/doc http://qtractor.sourceforge.net/doc https://qtractor.sourceforge.io/doc - user manual & how-to's: https://download.sf.net/qtractor/qtractor-manual-and-howtos.epub https://download.sf.net/qtractor/qtractor-manual-and-howtos.pdf License: Qtractor [1] is free, open-source Linux Audio [5] software, distributed under the terms of the GNU General Public License (GPL [6]) version 2 or later. References: [1] Qtractor - An audio/MIDI multi-track sequencer https://qtractor.org https://qtractor.sourceforge.io http://qtractor.sourceforge.net [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] ALSA, Advanced Linux Sound Architecture https://www.alsa-project.org/ [5] Linux Audio consortium of libre software for audio-related work https://linuxaudio.org [6] GPL - GNU General Public License https://www.gnu.org/copyleft/gpl.html [7] AppImage, Linux apps that run anywhere https://appimage.org/ [8] Flatpak, next-generation technology for building and distributing desktop applications on Linux https://flatpak.org/ See also: https://www.rncbc.org/drupal/node/2806 Enjoy && Keep the fun! - - - rncbc aka Rui Nuno Capela -- rncbc aka. Rui Nuno Capela rncbc(a)rncbc.org

3 weeks, 1 day

Fluida.lv2 v0.9.4 released

by Hermann Meyer

Fluida is a LV2 wrapper around Fluidsynth for Linux and Windows allowing to load and control Fluidsynth as LV2 plugin. This release of Fluida add support to modulate the base (A4) frequency of the synth engine. Release Page (binaries): https://github.com/brummer10/Fluida.lv2/releases/tag/v0.9.4 Project Page (source code): https://github.com/brummer10/Fluida.lv2 regards hermann

3 weeks, 5 days

FLOSS Audio editors on Linux: are they all dead(-ish)?

by Lorenzo Sutton

Hi LAU and LAD, It seems that (FLOSS) audio editors (not DAWs) are all either dead/obsolate (mhwaveditor, rezound), in strange development states (Audacity, Tenacity). Tenacity, the most promising (albeit with its audacity-inherited idiosyncrasies) has a really annoying bug [1] which makes it take ages to load [1] - IMHO a no go for an audio editor IMHO (plus its multi-track-ness like Audacity makes it overload for a few use cases). The only more-or-less usable one at the moment is ocenaudio which is not free software (and also has some UI quirks, but that's maybe personal). I've been a fan of mhWaveEdit for its mix of simplicity and configurability, but as an abandoned GTK2 application it shows its problems. Is this kind of software not interesting any more? Are people using DAWs for everything? Are people even using, or interested / committed in using Linux Audio any more? As LAC approaches (unfortunately I won't be able to attend, even though it's in Europe), why not try to spark some debate :-P Lorenzo [1] https://codeberg.org/tenacityteam/tenacity/issues/549

3 weeks, 5 days

LV2 X11 plugin questions

by Fons Adriaensen

Hello all, I'm finally experimenting with LV2 GUIs, in particular X11 ones. Q1: How do I make the GUI window fixed size ? Tried adding 'ui:fixedSize' as a required feature, but that doesn't work. Q2: In Ardour preferences I have 'Closing a plugin window only hides the window'. Yet actually the GUI is destroyed. Bug or feature ? TIA, -- FA

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Linux-audio-dev July 2025