Linux-audio-dev

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7513 discussions

Increased single-box JACK performance using multiple servers, summary and status

by Jonathan E. Brickman

It is finally working, and in very repeatable fashion, three "soft" servers feeding to one connecting to real audio hardware. Test mode only so far. Next step is automated startup. Details: https://github.com/jebofponderworthy/MultiJACK/blob/master/README.md -- Jonathan E. Brickman jeb(a)ponderworthy.com (785)233-9977 Hear us at http://ponderworthy.comcom -- CDs and MP3 now available! Music of compassion; fire, and life!!!

7 years, 8 months

jack2-1.9.12

by Benny Alexandar

Happy New Year to all! I'm using the latest JACK version1.9.12. I compiled on Linux Ubuntu PC and used to capture audio and analyze. When I started with simple_client.c application, what I notices is the first buffer from Jack call back function is all zeros. Why is the first buffer not having valid audio samples ? Is this the expected behavior. I also like to know any features being planned for 2018 release of Jack ? -ben

7 years, 8 months

Meeting at c-base the 3rd of January

by Daniel Swärd

Hi. Tomorrow it's the monthly meeting at c-base again. I'll be in the c-base mainhall from 20:00. Things to discuss: Linux Audio Conference @ c-base Cheers. /Daniel

7 years, 8 months

FFADO 2.4.0 released

by Jonathan Woithe

FFADO version 2.4.0 is now available, a package of userspace drivers for firewire audio interfaces. As for version 2.3.0, this version contains mostly incremental improvements and bug fixes. There are no significant new features in this version compared to the last, but users are encouraged to upgrade to pick up the improvements. This is a source-only release which can be downloaded from the ffado.org website at http://ffado.org or via the direct link: http://ffado.org/files/libffado-2.4.0.tgz Notable changes include: * Numerous build system and code improvements to support architectures such as MIPS, x32 and various PowerPC flavours. * A large number of fixes for newer versions of gcc (particularly versions 6 and 7). * Initial support for the optional TCO module of the RME Fireface-800. * Expanded ffado-mixer support for the Phase88 device. * Initial work to make ffado-mixer compatible with python3/pyqt5. * Start work towards compatibility with scons3. Thanks go out to the developers and users who contributed code and information which went into this release: Plamen Aleksandrov, Daniel Cavalli, Xavier Forestier, Thorsten Glaser, Adrian Knoth, Dominik Meister, Andras Muranyi, Orcan Ogetbil, "Olivier", Nils Philippsen, Takashi Sakamoto, Shalok Shalom, Stefan Richter, Roland Stigge, "Vince" and Jonathan Woithe. Apologies if there or errors or omissions - please contact us via the FFADO mailing list and we'll be happy to make corrections.

7 years, 8 months

Save the date: Linux Audio Conference 2018

by David Runge

[Apologies for cross-postings] [Please distribute] Save the date: Linux Audio Conference 2018 The 2018 Linux Audio Conference will take place at c-base, Berlin 7th -11th June 2018 The LAC 2018 will feature a full program of talks, workshops and music. The official call for papers and works will be sent shortly after the winter break - so use the quiet of the holidays to think about possible submissions. All relevant information will be made available on: http://lac.linuxaudio.org/2018/ The LAC 2018 Organizing Team -- https://sleepmap.de

7 years, 9 months

[ANN] Vee One Suite 0.8.6 - The End of Autumn'17 release

by Rui Nuno Capela

Wholly greetings! The 'Vee One Suite' of so called 'old-school' software instruments, synthv1 [1] as a polyphonic subtractive synthesizer, samplv1 [2] a polyphonic sampler synthesizer, drumkv1 [3] as yet another drum-kit sampler and padthv1 [4] as a polyphonic additive synthesizer, are here released just in time for the merry season greetings. As before, all available in dual standard forms:<ul> - 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 almost common change-log for this end-of-season follows: - Sync option added to DCO wavetable oscillators, as for making either one to hard-sync (slave) with the other one (master) in each pair. (applies to synthv1 [1] only) - Micro-fade-in/out that were stapled at the loop start/end points respectively is now gone.(applies to samplv1 [2] only) - Set on a minimum attack time of 500usec as much to prevent audible clicking on low-pitched notes. Back in order of appearance: **synthv1 - an old-school polyphonic synthesizer [1] ** synthv1 0.8.6 (end-of-autumn'17) released! synthv1 is an old-school all-digital 4-oscillator subtractive polyphonic synthesizer with stereo fx. LV2 URI: http://synthv1.sourceforge.net/lv2 website: http://synthv1.sourceforge.net https://synthv1.sourceforge.io downloads: http://sourceforge.net/projects/synthv1/files - source tarball: http://download.sf.net/synthv1/synthv1-0.8.6.tar.gz - source package: http://download.sf.net/synthv1/synthv1-0.8.6-36.rncbc.suse.src.rpm - binary packages (openSUSE Tumbleweed): http://download.sf.net/synthv1/synthv1-0.8.6-36.rncbc.suse.i586.rpm http://download.sf.net/synthv1/synthv1-0.8.6-36.rncbc.suse.x86_84.rpm - AppImage packages (JACK stand-alone only): http://download.sf.net/synthv1/synthv1-0.8.6-3.x86_64.AppImage git repos: http://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 0.8.6 (end-of-autumn'17) released! samplv1 is an old-school polyphonic sampler synthesizer with stereo fx. LV2 URI: http://samplv1.sourceforge.net/lv2 website: http://samplv1.sourceforge.net https://samplv1.sourceforge.io downloads: http://sourceforge.net/projects/samplv1/files - source tarball: http://download.sf.net/samplv1/samplv1-0.8.6.tar.gz - source package: http://download.sf.net/samplv1/samplv1-0.8.6-36.rncbc.suse.src.rpm - binary packages (openSUSE Tumbleweed): http://download.sf.net/samplv1/samplv1-0.8.6-36.rncbc.suse.i586.rpm http://download.sf.net/samplv1/samplv1-0.8.6-36.rncbc.suse.x86_84.rpm - AppImage packages (JACK stand-alone only): http://download.sf.net/samplv1/samplv1-0.8.6-3.x86_64.AppImage git repos: http://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 0.8.6 (end-of-autumn'17) released! drumkv1 is an old-school drum-kit sampler synthesizer with stereo fx. LV2 URI: http://drumkv1.sourceforge.net/lv2 website: http://drumkv1.sourceforge.net https://drumkv1.sourceforge.io downloads: http://sourceforge.net/projects/drumkv1/files - source tarball: http://download.sf.net/drumkv1/drumkv1-0.8.6.tar.gz - source package: http://download.sf.net/drumkv1/drumkv1-0.8.6-32.rncbc.suse.src.rpm - binary packages (openSUSE Tumbleweed): http://download.sf.net/drumkv1/drumkv1-0.8.6-32.rncbc.suse.i586.rpm http://download.sf.net/drumkv1/drumkv1-0.8.6-32.rncbc.suse.x86_84.rpm - AppImage packages (JACK stand-alone only): http://download.sf.net/drumkv1/drumkv1-0.8.6-3.x86_64.AppImage git repos: http://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 0.8.6 (end-of-autumn'17) 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: http://sourceforge.net/projects/padthv1/files - source tarball: http://download.sf.net/padthv1/padthv1-0.8.6.tar.gz - source package: http://download.sf.net/padthv1/padthv1-0.8.6-3.rncbc.suse.src.rpm - binary packages (openSUSE Tumbleweed): http://download.sf.net/padthv1/padthv1-0.8.6-3.rncbc.suse.i586.rpm http://download.sf.net/padthv1/padthv1-0.8.6-3.rncbc.suse.x86_84.rpm - AppImage packages (JACK stand-alone only): http://download.sf.net/padthv1/padthv1-0.8.6-3.x86_64.AppImage git repos: http://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 Licence: The 'Vee One Suite' are free, open-source Linux Audio [10] software, distributed under the terms of the GNU General Public License (GPL) [9] version 2 or later. References: [1] synthv1 - an old-school polyphonic synthesizer http://synthv1.sourceforge.net/ [2] samplv1 - an old-school polyphonic sampler http://samplv1.sourceforge.net/ [3] drumkv1 - an old-school drum-kit sampler http://drumkv1.sourceforge.net/ [4] padthv1 - an old-school polyphonic additive synthesizer 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 http://www.alsa-project.org/ [8] LV2, Audio Plugin Standard, the extensible successor of LADSPA http://lv2plug.in/ [9] GNU General Public License http://www.gnu.org/copyleft/gpl.html [10] Linux Audio consortium of libre software for audio-related work http://linuxaudio.org See also: http://www.rncbc.org/drupal/node/1879 Enjoy && have lots of fun ;) -- rncbc aka. Rui Nuno Capela -- rncbc aka. Rui Nuno Capela rncbc(a)rncbc.org

7 years, 9 months

QMidiArp-0.6.5 maintenance release

by Frank Kober

Dear all, here is QMidiArp 0.6.5. Another year has passed, and qmidiarp again only slightly changes, improves, adapts itself. A few more factory patterns were added to the Arpeggiator, a new "As Played" repeat mode has sneaked in, and for making things easier the MIDI OMNI mode is now default when modules are added. QMidiArp also builds against Qt5 by default now (it's about time ;) ), no more --enable-qt5 needed at configure stage. Enjoy! Frank -------------- Here is the full changelog: qmidiarp-0.6.5 (2017-12-17) *Improvements* o MIDI OMNI Mode receiving on all MIDI channels is now available and even default for all modules. o Arp: Some more 'factory' patterns added to the LV2 presets and to the .qmidiarprc file. Latter requires deleting the original one in the home directory and launching the standalone application. o Arp: New pattern repeat mode "As Played" for following the played note order instead of reorganizing them up, down or random. o Arp: For deliberately clearing buffered incoming notes the modules now all react to ALL_NOTES_OFF and ALL_SOUND_OFF MIDI messages. o LV2: The DSP ("generic") parameter interface has gotten some improvements for better usability (thanks Holger Wirtz for input on this) *Fixed Bugs* o LV2: Latch mode was not working properly when using release function. o LV2 Arp: when running with host transport sync, transport start caused received notes to be cleared. This also cleared those notes received before the transport was starting and led to missed notes especially in qtractor. This should work better now. (Thanks to Webmadman for reporting, and to Rui). o Seq and LFO: the "Note Off" option had no effect (regression). o Recent Files menu in main app displayed extra characters with Qt5. *General changes* o Building against Qt5 is now default. No more --enable-qt5 needed. o LV2: Category set to MIDIPlugin instead of Instrument o The DSP classes including the LV2 DSP modules no longer use Qt libraries. However the LV2 and App GUIs do. o New build configure options for more flexibility --enable-alsa (default=yes) set no for building on systems without alsa --enable-buildapp (default=yes) set no for building only LV2 modules --enable-lv2-pluginuis (default=yes) set no for LV2 module dsps only *Website* http://qmidiarp.sourceforge.net/ *Download* https://download.sf.net/qmidiarp/qmidiarp/0.6.5/qmidiarp-0.6.5.tar.bz2 *Description* QMidiArp is a MIDI arpeggiator, phrase generator and controller LFO for ALSA and JACK. It can run multiple synchronized arpeggiators, LFOs and step sequencers. The modules are also available as LV2 plugins with Qt user interface. *SCM Repos* https://git.code.sf.net/p/qmidiarp/code https://github.com/emuse/qmidiarp

7 years, 9 months

QMidiArp-0.6.5 maintenance release

by Frank Kober

7 years, 9 months

QMidiArp-0.6.5 maintenance release

by Frank Kober

7 years, 9 months

[ANN] The QStuff* End of Autumn'17 Release

by Rui Nuno Capela

Hello everybody! The Qstuff* End of Autumn'17 release bundle is getting wrapped up... * QjackCtl 0.5.0 * Qsynth 0.5.0 * QXGEdit 0.5.0 * QmidiCtl 0.5.0 * QmidiNet 0.5.0 Please enjoy this classic batch and have lots of fun! **QjackCtl - JACK Audio Connection Kit Qt GUI Interface [1]** QjackCtl 0.5.0 (end-of-autumn'17) released! QjackCtl [1] is a(n ageing but still) simple Qt [6] application to control the JACK [7] sound server, for the Linux Audio [11] infrastructure. Website: http://qjackctl.sourceforge.net https://qjackctl.sourceforge.io Project page: http://sourceforge.net/projects/qjackctl Downloads: http://sourceforge.net/projects/qjackctl/files - source tarball: http://download.sf.net/qjackctl/qjackctl-0.5.0.tar.gz - source package: http://download.sf.net/qjackctl/qjackctl-0.5.0-29.rncbc.suse.src.rpm - binary packages: http://download.sf.net/qjackctl/qjackctl-0.5.0-29.rncbc.suse.i586.rpm http://download.sf.net/qjackctl/qjackctl-0.5.0-29.rncbc.suse.x86_64.rpm - AppImage [19] packages: http://download.sf.net/qjackctl/qjackctl-0.5.0-1.x86_64.AppImage Git repos: http://git.code.sf.net/p/qjackctl/code https://github.com/rncbc/qjackctl.git https://gitlab.com/rncbc/qjackctl.git https://bitbucket.com/rncbc/qjackctl.git Change-log: - Current preset is always taken into account if ever changes while the Setup dialog is hidden (eg. via context menu). - Desktop entry specification file is now finally independent from build/configure template chains. - Updated target path for freedesktop.org's AppStream metainfo file (formerly AppData). **Qsynth - A fluidsynth Qt GUI Interface [2]** Qsynth 0.5.0 (end-of-autumn'17) released! Qsynth [2] is a FluidSynth [9] GUI front-end application written in C++ around the Qt [6] framework using Qt Designer. Website: http://qsynth.sourceforge.net https://qsynth.sourceforge.io Project page: http://sourceforge.net/projects/qsynth Downloads: http://sourceforge.net/projects/qsynth/files - source tarball: http://download.sf.net/qsynth/qsynth-0.5.0.tar.gz - source package: http://download.sf.net/qsynth/qsynth-0.5.0-11.rncbc.suse.src.rpm - binary packages: http://download.sf.net/qsynth/qsynth-0.5.0-11.rncbc.suse.i586.rpm http://download.sf.net/qsynth/qsynth-0.5.0-11.rncbc.suse.x86_64.rpm - AppImage [19] packages: http://download.sf.net/qsynth/qsynth-0.5.0-1.x86_64.AppImage Git repos: http://git.code.sf.net/p/qsynth/code https://github.com/rncbc/qsynth.git https://gitlab.com/rncbc/qsynth.git https://bitbucket.com/rncbc/qsynth.git Change-log: - Added *.SF3 to soundfont files filter on Setup > Soundfonts > Open... file dialog. - Increased Soundfont bank-offset limit to 16384 (was 128). - Desktop entry specification file is now finally independent from build/configure template chains. - Updated target path for freedesktop.org's AppStream metainfo file (formerly AppData). **QXGEdit - A Qt XG Editor [3]** QXGEdit 0.5.0 (end-of-autumn'17) released! QXGEdit [3] is a live XG instrument editor, specialized on editing MIDI System Exclusive files (.syx) for the Yamaha DB50XG [13] and thus probably a baseline for many other XG devices. Website: http://qxgedit.sourceforge.net https://qxgedit.sourceforge.io Project page: http://sourceforge.net/projects/qxgedit Downloads: http://sourceforge.net/projects/qxgedit/files - source tarball: http://download.sf.net/qxgedit/qxgedit-0.5.0.tar.gz - source package: http://download.sf.net/qxgedit/qxgedit-0.5.0-11.rncbc.suse.src.rpm - binary packages: http://download.sf.net/qxgedit/qxgedit-0.5.0-11.rncbc.suse.i586.rpm http://download.sf.net/qxgedit/qxgedit-0.5.0-11.rncbc.suse.x86_64.rpm - AppImage [19] packages: http://download.sf.net/qxgedit/qxgedit-0.5.0-1.x86_64.AppImage Git repos: http://git.code.sf.net/p/qxgedit/code https://github.com/rncbc/qxgedit.git https://gitlab.com/rncbc/qxgedit.git https://bitbucket.com/rncbc/qxgedit.git Change-log: - Desktop entry specification file is now finally independent from build/configure template chains. - Updated target path for freedesktop.org's AppStream metainfo file (formerly AppData). - Changing the View/Options.../General/Widget style theme now takes effect immediately unless it's to "(default)". **QmidiCtl - A MIDI Remote Controller via UDP/IP Multicast [4]** QmidiCtl 0.5.0 (end-of-autumn'17) released! QmidiCtl [4] is a MIDI remote controller application that sends MIDI data over the network, using UDP/IP multicast. Inspired by multimidicast [14] and designed to be compatible with ipMIDI [15] for Windows. QmidiCtl [5] has been primarily designed for the Maemo [16] enabled handheld devices, namely the Nokia N900 [17] and also being promoted to the Maemo Package repositories [20]. Nevertheless, QmidiCtl may still be found effective as a regular desktop application as well. Website: http://qmidictl.sourceforge.net https://qmidictl.sourceforge.io Project page: http://sourceforge.net/projects/qmidictl Downloads: http://sourceforge.net/projects/qmidictl/files - source tarball: http://download.sf.net/qmidictl/qmidictl-0.5.0.tar.gz - source package: http://download.sf.net/qmidictl/qmidictl-0.5.0-12.rncbc.suse.src.rpm - binary packages: http://download.sf.net/qmidictl/qmidictl-0.5.0-12.rncbc.suse.i586.rpm http://download.sf.net/qmidictl/qmidictl-0.5.0-12.rncbc.suse.x86_64.rpm - AppImage [19] packages: http://download.sf.net/qmidictl/qmidictl-0.5.0-1.x86_64.AppImage Git repos: http://git.code.sf.net/p/qmidictl/code https://github.com/rncbc/qmidictl.git https://gitlab.com/rncbc/qmidictl.git https://bitbucket.com/rncbc/qmidictl.git Change-log: - Desktop entry specification file is now finally independent from build/configure template chains. - Updated target path for freedesktop.org's AppStream metainfo file (formerly AppData). **QmidiNet - A MIDI Network Gateway via UDP/IP Multicast [5]** QmidiNet 0.5.0 (end-of-autumn'17) released! QmidiNet [5] is a MIDI network gateway application that sends and receives MIDI data (ALSA-MIDI and JACK-MIDI) over the network, using UDP/IP multicast. Inspired by multimidicast [14] and designed to be compatible with ipMIDI [15] for Windows. Website: http://qmidinet.sourceforge.net https://qmidinet.sourceforge.io Project page: http://sourceforge.net/projects/qmidinet Downloads: http://sourceforge.net/projects/qmidinet/files - source tarball: http://download.sf.net/qmidinet/qmidinet-0.5.0.tar.gz - source package: http://download.sf.net/qmidinet/qmidinet-0.5.0-13.rncbc.suse.src.rpm - binary packages: http://download.sf.net/qmidinet/qmidinet-0.5.0-13.rncbc.suse.i586.rpm http://download.sf.net/qmidinet/qmidinet-0.5.0-13.rncbc.suse.x86_64.rpm - AppImage [19] packages: http://download.sf.net/qmidinet/qmidinet-0.5.0-1.x86_64.AppImage Git repos: http://git.code.sf.net/p/qmidinet/code https://github.com/rncbc/qmidinet.git https://gitlab.com/rncbc/qmidinet.git https://bitbucket.com/rncbc/qmidinet.git Change-log: - Desktop entry specification file is now finally independent from build/configure template chains. - Updated target path for freedesktop.org's AppStream metainfo file (formerly AppData). License: All of the Qstuff* are free, open-source Linux Audio [11] software, distributed under the terms of the GNU General Public License (GPL [12]) version 2 or later. References: [1] QjackCtl - A JACK Audio Connection Kit Qt GUI Interface http://qjackctl.sourceforge.net [2] Qsynth - A fluidsynth Qt GUI Interface http://qsynth.sourceforge.net [3] QXGEdit - A Qt XG Editor http://qxgedit.sourceforge.net [4] QmidiCtl - A MIDI Remote Controller via UDP/IP Multicast http://qmidictl.sourceforge.net [5] QmidiNet - A MIDI Network Gateway via UDP/IP Multicast http://qmidinet.sourceforge.net [6] Qt framework, C++ class library and tools for cross-platform application and UI development http://qt.io/ [7] JACK Audio Connection Kit http://jackaudio.org [8] ALSA, Advanced Linux Sound Architecture http://www.alsa-project.org/ [9] FluidSynth - A SoundFont Synthesizer A real-time software synthesizer based on SoundFont 2 specifications http://www.fluidsynth.org [10] LinuxSampler - The Linux Sampler Project A modular, streaming capable, realtime audio sampler http://www.linuxsampler.org [11] Linux Audio consortium of libre software for audio-related work http://linuxaudio.org [12] GPL - GNU General Public License http://www.gnu.org/copyleft/gpl.html [13] Yamaha DB50XG http://www.soundonsound.com/sos/1996_articles/may96/yamahadb50xg.html [14] multimidicast - sends and receives MIDI from ALSA sequencers over network http://llg.cubic.org/tools/multimidicast [15] ipMIDI - MIDI over Ethernet ports - send MIDI over your LAN http://nerds.de [16] Maemo.org - Home of the Maemo community http://www.maemo.org [17] Maemo.org Wiki - Nokia N900 http://wiki.maemo.org/Nokia_N900 [18] Maemo.org - Downloads: QmidiCtl http://maemo.org/downloads/product/Maemo5/qmidictl [19] AppImage, Linux apps that run anywhere http://appimage.org/ See also: http://www.rncbc.org/drupal/node/1876 Enjoy && keep having fun! -- rncbc aka. Rui Nuno Capela

7 years, 9 months

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Linux-audio-dev