Linux-audio-dev

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7441 discussions

[linux-audio-dev] Job opportunity, CCRMA, Stanford University

by Fernando Lopez-Lezcano

Hey, I thought this might be of interest....... For some reason the blurb is, right now, incomplete in the url below (will be fixed asap), so I'm including the whole thing here. -- Fernando The Center for Computer Research in Music and Acoustics would like to announce a job opening for Systems Administrator/Audio Maintenance Engineer (#009817). Below is the job description. You can apply to this position by visiting the Stanford Jobs Website at: http://jobs.stanford.edu/openings/display.cgi?Job_Req=009817&JFam=NIL&JOBCO… The Center for Computer Research in Music and Acoustics is a multi-disciplinary facility where composers and researchers work together using computer-based technology both as an artistic medium and as a research tool. The System Admin/Audio Maintenance Engineer’s primary purpose is to assist CCRMA’s technical staff in providing state-of-the-art systems for music production and research in an open-source environment. Assist in managing 40-50 Linux desktops, 10-15 Mac OS machines and the center’s server and network systems. Assist in overseeing audio maintenance in our studios and performance space including commercial DAW systems. Assist with concert sound. Identify needed facility upgrades and assist in planning, implementing and installing, of IP phone system, security system, and network audio , network backbone, servers and system services. Responsible for creating accounts and other day-to-day tasks needed for student, staff faculty and visitor computer accounts. Responsible for researching and procuring technical needs for the Center. Demonstrated technical experience with Linux (preferably rpm-based distributions) and Mac OSX desktops, networks and servers. Interest in maintaining rpm packages such as those included in Planet CCRMA and creating and maintaining a repository of open-source packages, both for Linux and eventually Mac platforms. Demonstrated reliability to work under supervision and within project management goals. experience with highly-technical system administration, ability to solve problems independently. Requires initiative and strong organizational skills, efficient response to e-mail requests and balance general incoming requests while handling multiple projects despite frequent interruptions. Excellent communication skills and ability to provide use-able documentation for end-users. Familiarity with use and function of analog and digital audio equipment. Knowledge of video systems would be a plus. Ability to troubleshoot audio system setups (not board-level electronics) and maintain and install computer-associated audio equipment. Demonstrated ability to build hardware (including soldering skills) or the willingness to learn. Ability to make and repair audio, video, and computer cables. Resumes accepted until March 1, 2006.

18 years, 7 months

[linux-audio-dev] [Ann] Shelljam 0.0.2 MIDI keyboard

by Carlo Capocasa

Hi, Announcing Shelljam version 0.0.2. Shelljam is a way of playing electronic music live using standard computer hardware. It is implemented in C++ using fast portable libraries. It is designed to be suitable for live performance and studio work. http://shelljam.sourceforge.net Thanks! Carlo

18 years, 7 months

[linux-audio-dev] [ANN] das_watchdog 0.1.0

by Kjetil S. Matheussen

Download from http://ccrma.stanford.edu/~kjetil/src/ INSTALLING ---------- make cp das_watchdog /usr/local/sbin/ echo '/usr/local/sbin/das_watchdog >/dev/null &' >>/etc/rc.sysinit reboot USAGE ----- Whenever a program locks up the machine, the watchdog temporarily sets all realtime process to non-realtime for 8 seconds. You will get an xmessage window up on the screen whenever that happens. To test it, run the attached program "test_rt" (as root on 2.4), which immediatley freezes your machine. However, a window should pop up after about 5-6 seconds telling you that the watchdog set the process to non-realtime. CHANGES ------- 0.0.1->0.1.0 * Properly set the DISPLAY and XAUTHORITY environment variables in various ways to make sure the message is really shown. (It really works now!) * Use xmessage instead of wish. (much nicer) ACKNOWLEDGEMENT --------------- The program is mentally based on Florian Schmidts program rt_watcdog. Florian Schmidt also wrote the included test_rt program.

18 years, 7 months

[linux-audio-dev] portmidi app i/o ports

by Carlo Capocasa

Hi, I would like to know whether it is possible for portmidi based applications to have their own sequencer i/o ports to connect to. Thanks, Carlo

18 years, 7 months

[linux-audio-dev] ANNOUNCE: Rosegarden-4 1.2.3 released

by Chris Cannam

The Rosegarden team are delighted to announce the release of version 1.2.3 of Rosegarden 4, an audio and MIDI sequencer and musical notation editor for Linux. Rosegarden is among the largest and most insanely ambitious Linux music software projects, and is the only Linux application to offer full composition and recording capabilities to musicians who prefer to use classical notation. http://www.rosegardenmusic.com/ The long-awaited 1.2.3 release of Rosegarden-4 offers a variety of new features, bug fixes and enhancements. These include: * The main segment canvas has been rewritten and is now faster, more responsive, more accurate, and marginally prettier than before. (This work proved much more complex than hoped, and accounts for much of the time spent since the 1.0 release a year ago.) * A new percussion matrix editor has been added. MIDI devices can have user-configurable percussion key maps, stored in the same device files as bank and program definitions. Users are invited to contribute their own. * Multi-track audio recording and simultaneous recording of audio and MIDI are now supported. * A "project packager" has been introduced and integrated, facilitating the exchange of complete Rosegarden projects including associated audio data and any other required files. * The Lilypond export function has been updated for Lilypond 2.6 and features a new Preview mode. * You can now control Rosegarden's mixer and other twiddly bits using an external MIDI controller device such as the Behringer BCF2000. * Rosegarden is now capable of synchronising to MIDI Time Code in master and slave modes (thanks to Vince Negri). MMC master and slave are also now supported. * Rosegarden's ALSA MIDI ports can now be connected and controlled using an external ALSA connection manager such as qjackctl (thanks to Pedro Lopez-Cabanillas). * The default sequencer timer selection should be better behaved than in 1.0 (eliminating the dreaded "Rosegarden only plays the first note" problem). * Effects plugins can now be applied to groups of audio instruments at the buss stage. * Many new icons and improved versions of old icons have been added (thanks to Vladimir Savic). * The build system now uses scons instead of autotools. This release also sees hundreds of bug fixes, including fixes to some long-standing issues with DSSI plugin support, JACK transport synchronisation, and punch-in recording. For more information about Rosegarden and what it can do for you, please see http://www.rosegardenmusic.com/ Rosegarden is Free Software under the GNU General Public License.

18 years, 7 months

[linux-audio-dev] jack clients zombified

by Julien Claassen

Hi! I have a problem with the new 2.6 kernels (namely 2.6.13 2.6.15.2 - didn't try 2.6.14). I'm running 2.6.11.8 now and everything works fine. But with the other kernels mplayer always tells me after a while, that jack client_thread is zombified. I've no idea what to do about it. I compiled jack exactly for that kernel (ALSA) and downloaded the latest CVS (0.100.9), but still no go. With my 2.6.11.8 the jack-cvs runs fine, without complaint. Any ideas? Where to start looking for the problem? What to test? Kindest regards Julien -------- Music was my first love and it will be my last (John Miles) ======== FIND MY WEB-PROJECT AT: ======== http://ltsb.sourceforge.net - the Linux TextBased Studio guide

18 years, 7 months

[linux-audio-dev] RE: [linux-audio-user] LAD site, linuxdj.com needs a new home

by Ivica Ico Bukvic

Greetings all, Please pardon me for reopening an issue that may have been already addressed, especially considering that for all intents and purposes I may have appeared to have been very inactive on these lists lately. FWIW, I have been lurking around, but amidst moving and starting a new job, time has been truly a precious commodity. But I digress... It appears to me that there were at least a few members of the LAD/LAU list who have expressed interest in having LAD site somehow integrated in the Linuxaudio.org. I believe that this would be a very encouraging step towards consolidating online LA resources into one site which would IMHO ultimately make LA users' lives a lot easier as well as make the overall LA scene look more professional to the outsiders/potential adopters. I see this kind of an idea as a first step towards a much more demanding goal--integration of other online resources, i.e. Dave's LA software page. I could see this integration happening via a single Wiki page that would contain detailed info/screenshots/documentation/mailing-list and other pertinent info for every LA software available out there. Naturally, linking these lists is also a possibility, yet the very thought of having one place with unified appearance that would provide all the necessary info, including documentation, application-specific mailing lists etc. seems IMHO truly inspiring. Such a project obviously bears a huge overhead. I can also see devs objecting to the redundancy of information that may be already available on their software's dedicated website. The solution to both problems would be asking devs and/or their project maintainers/helpers to assist with the generation of their software's Wiki page which should adhere to certain predetermined standards and then also providing a link to their original project's page. Yes, there would be some redundancy, but a vast number of projects could greatly benefit from such a consolidation, including one of the most important, yet often neglected aspects--proper documentation. For this reason, I would like to use this opportunity to possibly elicit a discussion on this matter and hopefully get the ball rolling :-). Best wishes, Ico > -----Original Message----- > From: linux-audio-user-bounces(a)music.columbia.edu [mailto:linux-audio- > user-bounces(a)music.columbia.edu] On Behalf Of laulist(a)mondoseo.com > Sent: Sunday, February 05, 2006 7:01 AM > To: A list for linux audio users > Subject: RE: [linux-audio-user] LAD site, linuxdj.com needs a new home > > > Sounds sensible to me! > > Mick > > On Sun, 5 Feb 2006, Pete Bessman wrote: > > > On Fri, 2006-02-03 at 23:31 -0500, Ivica Ico Bukvic wrote: > >> Just a thought, but I was thinking that we could merge the initiatives > >> between the linuxaudio.org and the current linux-audio-dev site. > Obviously, > >> provided that such a move is something that the members of the LAD > would not > >> object to :-). > > > > votes++; > > > > > > --

18 years, 7 months

[linux-audio-dev] Programming Synth Knobs?

by krampenschiesser＠freenet.de

Does anyone know a good way to write code that renders synth knobs/potis/controllers? I was looking around to rotate an image which only worked in opengl... Creating a circle took too much time in sdl. Thanks for your help. grtz Scar -- It is now quite lawful for a Catholic woman to avoid pregnancy by a resort to mathematics, though she is still forbidden to resort to physics and chemistry. -- H.L. Mencken

18 years, 7 months

Re: [linux-audio-dev] Re: Programming Synth Knobs? [OT] UI issues

by Chris Cannam

Loki Davison: > What is wrong with just using jack-dssi-host? If > you want a standalone version, you can just have a > script, jack-dssi-host myplugin called myplugin for > people to run. You don't even need that - just create a symbolic link from myplugin to jack-dssi-host. Chris

18 years, 7 months

[linux-audio-dev] looking for maube ...

by Conrad Parker

Hi, I'm trying to find a copy of a program called "maube": http://www.vergenet.net/~conrad/maube/ It's from 1997, and I'm hoping that maybe someone who's been around here for a while might have a copy ... I can't find a copy of the source on any of my (working) machines, or via google. I wasn't happy to discover that the HTTP "download" link is a broken symlink to a filesystem on my old university account (ie. when I copied the website across to vergenet a few years ago, I copied the symlink not the directory it pointed to...). Anyway, if you happen to have a hard drive with nine years worth of linux audio cruft on it, please 'locate maube' for me :-) I'm interested to see if it builds or runs at all any more. And then we're gonna build a new Linux desktop to rival Gnome and KDE, but based on the "Self Organising Interface Attenuator" [ok, kidding, I can't even remember what that was]: http://www.vergenet.net/~conrad/maube/screenshots.html cheers, Conrad.

18 years, 7 months

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Linux-audio-dev