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[linux-audio-announce] ALSA, JACK, Ardour on Red Hat 7.3

by Jan "Evil Twin" Depner

After spending a couple of months of my spare time researching Ardour and sound cards I've put together a little HOWTO on installing and configuring ALSA, JACK, and Ardour on Red Hat 7.3. Any feedback (positive or negative) would be appreciated. http://www.goldinc.com/~eviltwin/ALSA_JACK_ARDOUR.html Jan Depner

20 years, 10 months

[linux-audio-announce] Announce: Vstserver, vstlib, vstladspa and k_vst~

by Kjetil S. Matheussen

VSTServer V0.0.1. ----------------- First release. Beta, but usable. ABOUT Vstserver is a wine program that must be running when using programs using vstlib. Vstlib is a library that can be used by programs to run windows vst audio plugins under linux/freebsd/i386solaris/etc. RUNNING Vstserver is started like this: "wine vstserver.so". You probably want to set the "VST_PATH" environment variable pointing to your plugins first. DEVELOPMENT Vstserver is released under the GPL, and vstlib under LGPL. If there comes many source-contributions, I will probably make it a sourceforge project. To use vstlib in a program, look at the tests/exampleclient program, and various vst plug-in documentation. The interface to the vstlib consists only of two functions (new/delete), the rest is like you would do when programming for windows, macos(X), beos, irix, etc. CURRENT STATUS Vstserver seems to be very stable. I have not found any plug-ins that wont run, and I am not able to hear any latency. And plug-ins does not seem to cause more cpu-power than under windows. No GUI or graphics-support yet. BUGS 1. When running the ladspa "listplugins" program many times in a row, I get the following errors before the server freeze: err:local:LOCAL_GetBlock not enough space in GDI heap 01f7 for 24 bytes err:region:CombineRgn Invalid rgn=0000 err:local:LOCAL_GetBlock not enough space in GDI heap 01f7 for 24 bytes err:region:CombineRgn Invalid rgn=0000 err:local:LOCAL_GetBlock not enough space in GDI heap 01f7 for 24 bytes err:region:CombineRgn Invalid rgn=0000 err:local:LOCAL_GetBlock not enough space in GDI heap 01f7 for 24 bytes err:local:LOCAL_GetBlock not enough space in GDI heap 01f7 for 24 bytes err:local:LOCAL_GetBlock not enough space in GDI heap 01f7 for 24 bytes err:local:LOCAL_GetBlock not enough space in GDI heap 01f7 for 24 bytes err:local:LOCAL_GetBlock not enough space in GDI heap 01f7 for 24 bytes err:clipping:CLIPPING_UpdateGCRegion hVisRgn is zero. Please report this. I dont know what this is. Its not errors coming from the vstserver program. It seems to be related to X, allthough no graphics is used in the vstserver. I hope its just the buggy libXrender.so library that wine shouts about each time it starts. 2. Shared memory handlig might be faulty. I suspect that it doesnt free resources. (see server/shmhandler.c) 3. I havent read the vst plug-in documentation yet, and dont know everything about it. This especially goes for the "AudioMasterCallback" function, which for now just returns 1. I guess some more work needs to be done in this area, and for the various dispatch opcodes too. 4. The processReplacing function in vstlib should perhaps be made just by calling the process fuction. But I dont understand the difference between processReplacing and processing. FUTURE Add GUI and graphics support to the server (help wanted). And maybe make a DX-plugin server. (would be fun running pi-warp under linux). CREDITS vstserver and vstlib are made by Kjetil S. Matheussen / Notam. k.s.matheussen(a)notam02.no Some programming hints is gathered by looking at the pd vst-object plugin~ source and the jack soundserver source. vst ladspa plugin v0.0.1 - alpha --------------------------------- Makes vst plugins located in $VST_PATH appear as ladspa plugins. I'm not sure how well this one actually works. The northpole plugin seems to work, but others don't. Oh well, its alpha for now. k_vst~, a Pd tilde object for hosting VST plug-ins. --------------------------------------------------- This is really just the plugin~ source made by Jarno Seppänen, but with a few lines changed (very few that is) to make it work with vst-plugins using the vstlib. The name was changed from plugin~ to k_vst~ to avoid nameclash with the plugin~ object running ladspa plugins. This object is for i386 non-windows (ie. linux/freebsd) only. This one works very well! ------------------------- vstserver, ladspavst and k_vst~ are open-source programs made at Notam / Oslo, and can be downloaded from from http://www.notam02.no/arkiv/src/ --

20 years, 10 months

[linux-audio-announce] lrdf version 0.1.2

by Steve Harris

http://plugin.org.uk/lrdf/ Applied patches from Richard Bown, making it c++ friendly and fixing some const-isms. liblrdf is a library for handling RDF (http://www.w3.org/RDF/) descriptions of LADSPA (and potentially other format) plugins. It allows grouping of plugins into trees for user slection and finer description of plugins and ports than the .so format allows (for example to indicatate textual equivalents of integer port values). It also provides named and described defaults and presets, metadata and general semnatic goodness. examples/example.rdf contains a slighly out of date description of my plugins. There are some example programs that show how the API works. - Steve

20 years, 10 months

[linux-audio-announce] Sweep 0.5.11 Released

by Conrad Parker

Sweep 0.5.11 Development Release -------------------------------- Sweep is an audio editor and live playback tool for GNU/Linux, BSD and compatible systems. It supports many music and voice formats including WAV, AIFF, Ogg Vorbis, Speex and MP3, with multichannel editing and LADSPA effects plugins. Inside lives a pesky little virtual stylus called Scrubby who enjoys mixing around in your files. This development release is available as a source tarball at: http://prdownloads.sourceforge.net/sweep/sweep-0.5.11.tar.gz?download NEW features in this release include: * mixing and crossfading paste methods: copy a region from one file and mix or fade it into another file or elsewhere in the same file, with control of source and destination levels and phase. * navigation shortcuts to move between selection edges: move the cursor between the start and end of selection regions, and to the next edge of a multi-region selection, with Ctrl + Arrow Left/Right * view memories: assign the viewable area to a number on the numeric keypad with Ctrl+<Num>, and zoom back to it later by pressing that number. (NB. Num Lock must be on on your keyboard). * support for Speex 1.0beta3 ultra-wideband mode (32kHz). Speex is a high quality, patent-free and open source voice codec. * support for full-file application of Secret Rabbit Code Additionally, minor bugs were fixed affecting portability of system error handling and detection of MP3 files. Screenshots: http://www.metadecks.org/software/sweep/screenshots/ Some interesting audio recordings of Scrubby are at: http://www.metadecks.org/software/sweep/demos.html Sweep is designed to be intuitive and to give you full control. It includes almost everything you would expect in a sample editor, and then some: * precise, vinyl like scrubbing * looped, reverse, and pitch-controlled playback * playback mixing of unlimited independent tracks * looped and reverse recording * internationalisation * multichannel and 32 bit floating point PCM file support * support for Ogg Vorbis, MP3 and Speex compressed audio files * LADSPA 1.1 effects support * multiple views, discontinuous selections * easy keybindings, mouse wheel zooming * unlimited undo/redo with fully revertible edit history * multithreaded background processing * shaded peak/mean waveform rendering, multiple colour schemes Sweep is Free Software, available under the GNU General Public License. More information is available at: http://www.metadecks.org/software/sweep/ Thanks to Pixar Animation Studios and CSIRO Australia for supporting the development of this project. enjoy :) Conrad.

20 years, 10 months

[linux-audio-announce] GLAME 0.6.4 released.

by Richard Günther

Glame 0.6.4, the supposed-to-be last release in the 0.6 series, was released today, Fri 22 Nov 2002, to the public. Leaked with this release were some rare but still major bugfixes such as corruption problems on import and redrawing problems within the filter canvas. The most prominent new feature of this release is the added Italian localization. You can download the release from our SourceForge project Files site at http://sourceforge.net/project/showfiles.php?group_id=1627 Give it a try! Richard.

20 years, 10 months

[linux-audio-announce] [ANN] ALSA Patch Bay 0.3

by Bob Ham

Hi all, I'm in a hacking mood :) I added an fltk (1.1) interface to alsa patch bay, and also updated the gtkmm interface to use 2.0.0. It can use both, or just one. Tarball here: http://pkl.net/~node/software/alsa-patch-bay-0.3.tar.gz (214KB) I also made a spiffy (if sparse) page for it here: http://pkl.net/~node/alsa-patch-bay.html Have fun, Bob

20 years, 11 months

[linux-audio-announce] [ann] preamp.so

by Tim Goetze

pleased to announce another ladspa unit - 'preamp'. this plugin implements an amplitude response that has been obtained from a spice simulation of the preamp stage of a modified fender 5F4 instrument amplifier. http://quitte.de/dsp/preamp.html tim

20 years, 11 months

[linux-audio-announce] [ANN] JACK Rack 1.0

by Bob Ham

Hi all, I just uploaded the first version of JACK Rack, a stereo LADSPA effects "rack" for JACK and GTK+ 2. Tarball is here: http://pkl.net/~node/software/jack-rack-1.0.tar.gz (96k) screenshot is here: http://pkl.net/~node/images/jack-rack-shot.png Enjoy :) Bob

20 years, 11 months

[linux-audio-announce] Mammut 0.13

by Kjetil S. Matheussen

Mammut ***************************** Mammut will FFT your sound in ONE single gigantic analysis (no windows). An interesting aspect of Mammut is its completely non-intuitive sound transformation approach. You must have a certain attitude when using this program. Use it experimentally, by ear. Do not try to understand what happens - even the programmer can't explain it in many cases. New in V0.12 -> 0.13 -Updated the version number in the about dialog from 0.10 to 0.12 -Neither the Cancel nor OK button in the "Split real/imag" transform dialog did work. Fixed. -Unneded references to libaudiofile headers removed. libaudiofile is not used in mammut. -libsnd linking was screwed up in previous makefiles. Fixed. -Playing without having a file caused a segfault. (not fixed) -Added sndlib.a and sndlib.h to the distribution. Static oss/linux compiled. (sndlib.a seems to be a bit troublesome to compile up sometimes.) (same as in ceres) -Added note about a common problem regarding pygtk in the INSTALL file that usually makes ceres crash. (same as in ceres) -Most of the transforms didnt support more than two channels (ie. stereo, not fft-channels :). Now most of the transforms do, but still not all. Old Manual: http://www.notam02.no/notam02/prod-prg-mammuthelp.html Screenshot: http://www.notam02.no/arkiv/src/mammut.gif Download: http://www.notam02.no/arkiv/src/mammut.tar.gz --

20 years, 11 months

[linux-audio-announce] [Fwd: your job offer...] correction

by Joern Nettingsmeier

Dan Timis wrote: > > [...] the text I sent got truncated. I don't know what happened. The > main problem is that the last line that says: > > >Send resumes and references to jobs(a)museresearch.com. > > got deleted. > In any case here is the text again with better formatting: > > --------------- Begin post ---------------- > Advanced Systems Programmer Job Requirements > > Muse Research, a startup music and audio products company located > in Menlo Park, is looking for a self-motivated and creative Systems > Programmer. Muse is developing cutting edge software/hardware devices > for musicians and needs your Linux and system administration skills. > > Responsibilities > > Linux Maintenance: > > * Keep customized Linux build up to date and adapt it to hardware > requirements > * Make sure our Linux is optimized for performance and provides the > tools users need > * Work with hardware driver contractors to install their drivers and > verify their work > * Work with hardware team to develop shell scripts or find programs to > test hardware functionality > > System Administration: > > * Perform light administration on small office LAN > * Help with software installation and hardware troubleshooting > * Set up and maintain web based applications a bug database, CVS, etc. > * Work with our web team to integrate all the support tools they need > e-commerce, customer database, etc. > > Experience and Skills > > Required: > > * Minimum two years of experience in Linux configuration and system > administration > * Understanding of licensing issues in the Linux world > * Ability to work with a team and communicate well > * Self motivation, good follow through and the ability to meet schedules > * Ability to work in a start-up environment: flexibility and adaptability > > Desired, but not required: > > * Experience with MIDI and audio; interest in music > * Experience with X-Windows over a network > * Multi-platform networking (Mac/Windows/Linux) > * Maintenance of a software build environment > > Terms > > * Position title is ?Systems Programmer¹ and reports to Software Architect > * Salary will depend on level of experience > * Company benefits package and stock option plan is available > * Office space will be established in the Menlo Park area. In the short > term > you will provide your own workspace. > > Contact > > Send resumes and references to jobs(a)museresearch.com. > Include "Systems Programmer" in the subject line. > > --------------- End post ---------------- -- Jörn Nettingsmeier Kurfürstenstr 49, 45138 Essen, Germany http://spunk.dnsalias.org (my server) http://www.linuxdj.com/audio/lad/ (Linux Audio Developers)

20 years, 11 months

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