Linux-audio-user

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20642 discussions

Berlin Linux Audio meeting @ c-base 2019-06-11

by Daniel Swärd

Hi all. As usual the second Tuesday of the month is upon us. I'll be in the mainhall from 20:00. See you there. Cheers /Daniel

6 years, 2 months

[LAA] jalv.select v1.3 released

by Hermann Meyer

jalv.select is a little gtkmm GUI to select lv2 <http://lv2plug.in/> plugs from a list and run them with jalv <https://drobilla.net/software/jalv/>. Project : https://github.com/brummer10/jalv_select Features: * select jalv interpreter from combo box, * select LV2 plugin from list, * select preset to load from menu * search plugins by regex or plugin class, * reload lilv world to catch new installed plugins or presets, * load plugin with selected preset. * minimize app to systray (global Hotkey SHIFT+ESCAPE) * wake up app from systray (global Hotkey SHIFT+ESCAPE) * left mouse click on systray to show or hide app * right mouse click to show quit menu item changelog in this release: * add support for a user made blacklist. get it here: https://github.com/brummer10/jalv_select/releases regards hermann

6 years, 2 months

External Class Compliant Sound Cards

by Kamil Adiloglu

Dear list, I am compiling a list of suitable sound cards for a mobile real-time experimental setup. There are some criteria that such a sound card should fulfil: - External sound card: We have a mini PC with an on-board sound chip. We want to use an external sound card with a decent sound quality. Our mini PC has USB-2, USB-3, USB-C (Thunderbolt 3) connections. - Class compliance: We have a real-time signal processing platform, the Master Hearing Aid, which runs on Linux (Actually it also supports Windows and Mac, but we prefer Linux). Therefore we need a sound card, which Linux can operate. Manufacturers usually do not officially support Linux, but there are some, which run on Linux, because they are class compliant and do not require a dedicated driver. - At least 4 (preferably 6) analog (identical) inputs and at least 2 analog (identical) outputs - Lower sampling rates: As we will do real-time signal processing, we prefer lower sampling rates for the sake of computational complexity. Therefore, ideally we would like to have a sound card, which supports even 16kHz, but 32kHz also OK. I know that these criteria are not easy to fulfil. So far, I couldn't find any sound card, which fulfils all the requirements. In the worst case, we can sacrifice the last requirement and downsample our sound input before processing, but it is a good-to-have one. We would appreciate any suggestion. Thank you in advance. Best Regards, Kamil Adiloglu

6 years, 2 months

[ANN] Vee One Suite 0.9.8 - The Last of Spring'19 Release

by Rui Nuno Capela

Awe cheers! The 'Vee One Suite' of 'old-school' software instruments are here and once again released for the last time in Spring'19: * synthv1 0.9.8 [1] * samplv1 0.9.8 [2] * drumkv1 0.9.8 [3] * padthv1 0.9.8 [4] All as ever before, still available in dual form: - a pure stand-alone JACK client with JACK-session [5], NSM (Non Session management [6]) and both JACK MIDI and ALSA MIDI [7] input support; - a LV2 instrument plug-in [8]. The changes for this Last of Spring'19 release are: - Improved slew-rate to DCF Formant coefficient updates. - Refactored the LFO Sync for correctness. - Dropped LFO Sync parameter as being irrelevant across element voicings. (drumkv1 [3] only) - Fixed all LFO Panning and Volume modulation, now being correctly isolated on a per voice basis. - Fixed DC offset on all main DCO wavetable oscillators. (synthv1 [1] only) - Fixed initial DCO and LFO wave shapes on LV2 plug-in UI. - Minor update to Debian packaging control file. The 'Vee One Suite' are free, open-source Linux Audio [10] software, distributed under the terms of the GNU General Public License (GPL) [11] version 2 or later. **synthv1 - an old-school polyphonic synthesizer [1] ** synthv1 0.9.8 (spring'19) is released! synthv1 is an old-school all-digital 4-oscillator subtractive polyphonic synthesizer with stereo fx. LV2 URI: http://synthv1.sourceforge.net/lv2 website: https://synthv1.sourceforge.io http://synthv1.sourceforge.net downloads: https://sourceforge.net/projects/synthv1/files - source tarball: https://download.sf.net/synthv1/synthv1-0.9.8.tar.gz - source package: https://download.sf.net/synthv1/synthv1-0.9.8-45.rncbc.suse.src.rpm - binary package (openSUSE Tumbleweed): 7 https://download.sf.net/synthv1/synthv1-0.9.8-45.rncbc.suse.x86_84.rpm - AppImage [9] package (JACK stand-alone only): https://download.sf.net/synthv1/synthv1-0.9.8-12.x86_64.AppImage git repos: https://git.code.sf.net/p/synthv1/code https://github.com/rncbc/synthv1.git https://gitlab.com/rncbc/synthv1.git https://bitbucket.org/rncbc/synthv1.git **samplv1 - an old-school polyphonic sampler [2]** samplv1 0.9.8 (spring'19) is released! samplv1 is an old-school polyphonic sampler synthesizer with stereo fx. LV2 URI: http://samplv1.sourceforge.net/lv2 website: https://samplv1.sourceforge.io http://samplv1.sourceforge.net downloads: https://sourceforge.net/projects/samplv1/files - source tarball: https://download.sf.net/samplv1/samplv1-0.9.8.tar.gz - source package: https://download.sf.net/samplv1/samplv1-0.9.8-45.rncbc.suse.src.rpm - binary package (openSUSE Tumbleweed): https://download.sf.net/samplv1/samplv1-0.9.8-45.rncbc.suse.x86_84.rpm - AppImage [9] package (JACK stand-alone only): https://download.sf.net/samplv1/samplv1-0.9.8-12.x86_64.AppImage git repos: https://git.code.sf.net/p/samplv1/code https://github.com/rncbc/samplv1.git https://gitlab.com/rncbc/samplv1.git https://bitbucket.org/rncbc/samplv1.git **drumkv1 - an old-school drum-kit sampler [3]** drumkv1 0.9.8 (spring'19) is released! drumkv1 is an old-school drum-kit sampler synthesizer with stereo fx. LV2 URI: http://drumkv1.sourceforge.net/lv2 website: https://drumkv1.sourceforge.io http://drumkv1.sourceforge.net downloads: https://sourceforge.net/projects/drumkv1/files - source tarball: https://download.sf.net/drumkv1/drumkv1-0.9.8.tar.gz - source package: https://download.sf.net/drumkv1/drumkv1-0.9.8-41.rncbc.suse.src.rpm - binary package (openSUSE Tumbleweed): https://download.sf.net/drumkv1/drumkv1-0.9.8-41.rncbc.suse.x86_84.rpm - AppImage [9] package (JACK stand-alone only): https://download.sf.net/drumkv1/drumkv1-0.9.8-12.x86_64.AppImage git repos: https://git.code.sf.net/p/drumkv1/code https://github.com/rncbc/drumkv1.git https://gitlab.com/rncbc/drumkv1.git https://bitbucket.org/rncbc/drumkv1.git **padthv1 - an old-school polyphonic additive synthesizer [4]** padthv1 0.9.8 (spring'19) is released! padthv1 is an old-school polyphonic additive synthesizer with stereo fx. padthv1 is based on the PADsynth algorithm by Paul Nasca, as a special variant of additive synthesis. LV2 URI: http://padthv1.sourceforge.net/lv2 website: http://padthv1.sourceforge.net https://padthv1.sourceforge.io downloads: https://sourceforge.net/projects/padthv1/files - source tarball: https://download.sf.net/padthv1/padthv1-0.9.8.tar.gz - source package: https://download.sf.net/padthv1/padthv1-0.9.8-12.rncbc.suse.src.rpm - binary package (openSUSE Tumbleweed): https://download.sf.net/padthv1/padthv1-0.9.8-12.rncbc.suse.x86_84.rpm - AppImage [9] package (JACK stand-alone only): https://download.sf.net/padthv1/padthv1-0.9.8-12.x86_64.AppImage git repos: https://git.code.sf.net/p/padthv1/code https://github.com/rncbc/padthv1.git https://gitlab.com/rncbc/padthv1.git https://bitbucket.org/rncbc/padthv1.git References: [1] synthv1 - an old-school polyphonic synthesizer https://synthv1.sourceforge.io http://synthv1.sourceforge.net/ [2] samplv1 - an old-school polyphonic sampler https://samplv1.sourceforge.io http://samplv1.sourceforge.net/ [3] drumkv1 - an old-school drum-kit sampler https://drumkv1.sourceforge.io http://drumkv1.sourceforge.net/ [4] padthv1 - an old-school polyphonic additive synthesizer https://padthv1.sourceforge.io http://padthv1.sourceforge.net/ [5] JACK Audio Connection Kit http://jackaudio.org/ [6] NSM, Non Session Management http://non.tuxfamily.org/nsm/ [7] ALSA, Advanced Linux Sound Architecture https://www.alsa-project.org/ [8] LV2, Audio Plugin Standard, the extensible successor of LADSPA http://lv2plug.in/ [9] AppImage, Linux apps that run anywhere https://appimage.org/ [10] Linux Audio consortium of libre software for audio-related work https://linuxaudio.org [11] GNU General Public License https://www.gnu.org/copyleft/gpl.html See also: https://www.rncbc.org/drupal/node/2008 Enjoy! -- rncbc aka. Rui Nuno Capela

6 years, 2 months

Some Linux related music stuff

by Jostein Chr. Andersen

Hi Friends! I've been more or less absent from this list the last years (oh, so many new names here!) but do want to say hi again and maybe share some songs and projects with you. I'm currently making a living with music (mostly as a mixing engineer), which in my case means that I'm too often totally broken, but things are slowly getting better and better. I do all my work on Kubuntu with the KXstudio repos connected to it. Well, here we go: My self: A Journey ================== I love, play and works with almost any kind of music. This is a sort of musical shamanic drum journey. If the beginning is too boring, just start from around 2 minutes. I'm playing guitars, bass, and drums ( + drum sequencing) here. DAW: Mixbus32C. Video edited in Kdenlive. Yes, the video is a real amateur work, but that's the way it is. https://www.youtube.com/watch?v=00LUiAJPxCY Malin Larsson: Hälsingevalsen ============================= Malin was in my small studio and recorded a demo cover for the Swedish folk-inspired song, Hälsingevalsen. I play all instruments here as well. DAW: Mixbus32C. Video edited in Kdenlive. https://www.youtube.com/watch?v=bZs6KDTw-iM Ola Stinnerbom: Sapmi Power ============================ Ola is a South Sami native and yoiks to traditional, EDM (as this song is) and many other music genres. I mixed and mastered the whole album this song belongs to and several singles he has done. Mixed in Mixbus32C. https://www.youtube.com/watch?v=EOeYK6zbWgU I'm now starting to get my own stuff out, so stay tuned, and: enjoy! Jostein

6 years, 2 months

different soundcards for in/out in alsa vs. jack

by Max

Hi list, I know that having different soundcards for in and out will lead to clock deviations and is generally not a wise thing to do, but my question is differently: Surprisingly it works quite well with ALSA, but not so much with jack. Both is from Pd. Jack has a plethora of settings, so this could have to do with it and make my blanket statement above too simplistic, but I wonder is there a general design in jack which makes it harder to rund different cards for i/o or do i have the wrong settings? Where to look at? m.

6 years, 2 months

[New music] Enantiomorphic, also new album

by Jeanette C.

Hey hey, I've just released a new synthwave piece. Well, I suppose this is synthwave, inspired by the likes of Tangerine Dream and perhaps the Berlin school. For the audiophile: http://juliencoder.de/nama/05-enantiomorphic.ogg and http://juliencoder.de/nama/05-enantiomorphic.mp3 There is also a youtube "video: youtu.be/6up7aLhsIG4 The new album (or EP) is called "Audierotic Synthspiration" (and every time I type this I wish I hadn't called it that :) ): http://juliencoder.de/nama/audierotic_synthspiration The other five songs were posted here before during the past year or so, they range in genre from EDM, to dubstep, drum & bass, synthpop and - now - synthwave. Feedback is always welcome. Best wishes and enjoy, Jeanette -- * Website: http://juliencoder.de - for summer is a state of sound * SoundCloud: https://soundcloud.com/jeanette_c * Youtube: https://www.youtube.com/channel/UCMS4rfGrTwz8W7jhC1Jnv7g * GitHub: https://github.com/jeanette-c * Twitter: https://twitter.com/jeanette_c_s There's just a thing or two I'd like you to know <3 (Britney Spears)

6 years, 2 months

MOTU AVB discussion from LAC

by Max

Fernando Lopez-Lezcano discussed the pitfalls of using the MOTU AVB external audio interfaces with Linux in his paper [1] and also in the keynote at LAC-19. Let's start another thread around this card. Fernando mentioned that different firmwares expose different issues, but downgrading is possible. Issues are: 1. Channels are not persistent and swap around. 2. Total number of channels has been reduced in newer firmwares. 3. An endless card aquisition loop between Jack and Pulseaudio caused by the long time the card needs to switch sampling rate. 4. Seemingly erratic behavior, opening the device fails, fails again, again, then works suddenly. I have a couple of questions and experiences. Is there a table of the firmware versions somewhere (linuxaudio wiki?) which tell me which versions has which features (removed)? Are all the Class Compliant models having the same quirks as listed above? For example the MOTU UltraLite AVB versus the MOTU 624 AVB? Is it possible to use the Thunderbolt port to connect the card to a Linux computer? Why can't I tell ALSA to use only the first 2, 4 whatever channels of the device? I can only open the device if all channels are connected. Is this always like that or is that a limitation of MOTU's implementation? On my laptop with only one USB bus, If I connected the MOTU 624 AVB and then another high speed usb device, the computer could not connect the later, because the MOTU reserved all the bandwith for itself. Connecting the other device and then the MOTU worked. [1] http://lac.linuxaudio.org/2019/doc/lopez.pdf Max

6 years, 2 months

[ANN] Qtractor 0.9.8 - Yet Another Spring'19 Release

by Rui Nuno Capela

Hi all, Too hot to make any boring introduction, so let's get this straight: Qtractor 0.9.8 (spring'19) is released! The changes for this yet another seasonal release are as follows: - Plugin-lists and respective plugins state may now be exported and/or imported as XML files. - When in Drum Mode, Key and Scale are meaningless and thus functionally disabled from the MIDI clip editor (aka. piano-roll). - MIDI clip editor's View > Ghost Track menu option is now finally a reality: show any existing MIDI track and its respective clips in the background as dimmed, semi-transparent aka. ghost events. - Minor update to Debian packaging control file. - Make sure partially selected clips are reset to whole when Shift/Ctrl keyboard modifiers are in effect, to prevent extraneous clip splits or cutaways afterwards. 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: http://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-0.9.8.tar.gz - source package (openSUSE Tubleweed): https://download.sf.net/qtractor/qtractor-0.9.8-43.rncbc.suse.src.rpm - binary package (openSUSE Tubleweed): https://download.sf.net/qtractor/qtractor-0.9.8-43.rncbc.suse.x86_64.rpm - AppImage [7] packages: https://download.sf.net/qtractor/qtractor-0.9.8-13.x86_64.AppImage Git repos: https://git.code.sf.net/p/qtractor/code https://github.com/rncbc/qtractor.git https://gitlab.com/rncbc/qtractor.git https://bitbucket.org/rncbc/qtractor.git Wiki (help still wanted!): https://sourceforge.net/p/qtractor/wiki/ - static rendering: http://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 http://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 http://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/ See also: https://www.rncbc.org/drupal/node/2006 Enjoy && Have fun. -- rncbc aka Rui Nuno Capela

6 years, 2 months

[LAD] [LAA] GxPlugins.lv2 release v0.7

by Hermann Meyer

Hi I like to announce a new release of GxPlugins.lv2 GxPlugins.lv2 is a set of mostly analogue guitar pedal simulations as LV2 plugins, simulated with the guitarix ampsim (DK method) toolkit. This release add GxBlueAmp GxClubDrive GxEternity GxLuna GxPlexi GxSloopyBlue and GxTimRay to the set. I hope they may be useful for the one or the other. Build instruction and screenshots may be found here: https://github.com/brummer10/GxPlugins.lv2 the release tar.gz file is located here: https://github.com/brummer10/GxPlugins.lv2/releases Thanks goes to Olivier Humbert, Cyrus and David Runge for there contributions to the project. regards hermann

6 years, 2 months

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Linux-audio-user