Linux-audio-user February 2006

linux-audio-user@lists.linuxaudio.org

207 participants
268 discussions

[linux-audio-user] open submission website + l.o.s.s cd

by Ed Carter

Hi everyone I thought this might be of interest - sorry if you've already seen it thanks ed [Apologies for cross-posting, please circulate where appropriate.] http://loss.access-space.org The l.o.s.s project promotes and supports the use of free, open source music software, in conjunction with Creative Commons (CC) licensing which accepts and encourages sharing. As well as a CD of curated work (also available for free download), the project's online presence is intended to become a focal point for artists working with open source software, and releasing their work through CC licenses. Please visit the website for details of how to contribute tracks. The aim of the project was not to portray any kind of 'open source' sound, but to offer an array of some of the interesting work people are creating with what is available. The result is an incredibly diverse compilation of internationally renowned artists, encompassing electronica, soundscapes, hiphop and electro-acoustic amongst other styles. Contributions for the CD include work by Nullpointer, Ava, Edge Effect, Jake Harries, Collective Motion, Panayiotis Kokoras, DJ Auto, Chaos Butterfly, Slub, Minimal Turntablist Crew and Elektronengehirn. Even the artwork was produced using open source techniques by Matt Gray (Ava), and the album was mastered at Mirror Image Studios in Minneapolis, again, using the Linux operating system and libre software. The project is run by the registered charity Access Space, a free media lab based in Sheffield, promoting open source software and using recycled hardware. More info, and downloads of more open source music, visit: http://www.loss.access-space.org

18 years, 10 months

[linux-audio-user] [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, 10 months

[linux-audio-user] [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, 10 months

[linux-audio-user] alsa-seq. does not start

by Mehmet Okonsar

I wasn't able to follow the documentation on the net about my problem: ====================== I installed Debian testing with kernel 2.6.12 on my notebook Asus5N which has a AC97 chip. Alsa seems to run well, it does make noises, but no midi app can start. They all gives the message "seq. did not start" or similar.. Is there somewhere a simple (very simple..) tutorial on how to enable alsa-seq on Deb. I do not know how to compile it, it is probably installed without seq. enabled.. (just a blind guess) how to load a wavetable noise-making soft how to load a simple midi player and how to get (more or less ugly) sounds out of my notebook.. many thanks ------------- Best regards, Mehmet Okonşar, pianist-composer www.okonsar.com mehmet(a)okonsar.com

18 years, 10 months

[linux-audio-user] ingo molnar patch on mandriva's kernel

by emanuele ..:: www.rumoridifondo.com ::..

if i try to recompile mandriva's kernel multimedia i see that there's the voice "processors type and features --> preemptible kernel". i think it's not ingo molnar's complete preemtion patch because i don't manage to have low latency with my daw even if i have an audiophile2496 which should work at low latency. so i would like to recompile my kernel multimedia with ingo molnar's patch. is it possible to apply the patch to mandriva's kernel or i must recompile an official kernel from kernel.org? is ingo molnar's patch the only step i have to take to have a low-latency kernel? thank you bye emanuele

18 years, 10 months

[linux-audio-user] 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, 10 months

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

by Benno Senoner

Hi LADers, During the last months the LAD website ( http://www.linuxdj.com/audio/lad ) was hosted on the lionstracs.com server. Domenico from Lionstracs told me that he does not want do host the LAD site anymore since it consumes so much bandwidth, 200 GB in January, see here. http://www.linuxdj.com/webstat1/ its probably due to the audio/video material from the conferences (100MB a pop). Anyone willing to host the site ? As I did in the last years, I'll pay the for the linuxdj.com domain fees. cheers, Benno

18 years, 10 months

[linux-audio-user] ALSA 1.0.11rc2 or rc3 distro?

by njcross＠sbcglobal.net

Does anyone know if there's a distro that comes already packaged w/ jack and ALSA 1.0.11rc2 or rc3 ? Cheers, Nev.

18 years, 10 months

[linux-audio-user] Re: linux-audio-user Digest, Vol 29, Issue 64

by philicorda

> Date: Mon, 13 Feb 2006 13:04:19 -0700 > From: Steve D <groups(a)xscd.com> > Subject: Re: [linux-audio-user] More music > On Mon, Feb 13, 2006 at 11:32:42AM -0800, R Parker wrote: > > Punchins aren't illegal and anyone can engineer for > > you in a non-destructive DAW like Ardour. If you don't > > tell anyone about the punchin then you can move on to > > composing and producing another song which makes > > everybody happy. :) > > > > ron > --- --- > > I guess my (irrational) fear is that a punchin/punchout will somehow be > obvious to the listener--that either there will be an abrupt momentary > change in ambience, an abrupt cutting off of pre-punchin sound as the > punchin occurs, or I'll be in a slightly different mood and the volume > or performance won't match, etc. I have been able (I think) to hear > punchins in old analog tape recordings, of Van Cliburn playing the > Tchaikovsky and Rachmaninov piano concertos, of an obscure (but good) > eastern European orchestra playing Stravinsky's Firebird (there were > *lots* of punchins, some of them very obvious and awkward, in that > recording), and so my listening experience has made me wary of punchins. > But, like I mentioned, I'm sure it is an irrational fear. ;-) > > During this recording (for Arabesque 1), I made a strong note to myself > after recording take after take (dozens of them) to learn about and > begin to try punchin techniques. I'm especially interested to learn > whether Ardour automatically creates (or can be configured to do so) > brief overlapping fadeouts/fadeins at punch points. I'm sure that this > information is in the (as yet not fully read) Ardour online manual. ;-) > In fact, I think I'll check that out right now-- I don't ever think of punch ins. If I want to replace something I'll start recording 30 seconds before, and play along until ten seconds or so after. It's really important to give yourself a long run in and play along, and not stop straight after the bit you want to replace. The mood is much more consistant than if you are worrying about hitting a switch at a particular time to drop in, and stop right after. I'll also record to a new track, so I can easily see the waveforms of both recordings, and try a few different places to do the edit. Sometimes it's better to crossfade between the takes over the sustain of a held chord, rather than the obvious places of a silent gap or just before a new note. With vocals I like to keep the intake of breath before they sing a note. If I get rid of it, and it's been audible previously in the track, the edit sounds unnatural in a subliminal way. Anyway, If I could play as well as you I would bother less with editing. :) I only learnt what the point of playlists are in Ardour recently, and I think they are going to be handy for this. At least for the pop stuff I do which is quite heavily edited.

18 years, 10 months

[linux-audio-user] [ANN] das_watchdog 0.0.1 and jack_capture v0.2.3

by Kjetil S. Matheussen

Download from http://ccrma.stanford.edu/~kjetil/src/ Das_Watchdog ============ ABOUT ----- Das_Watchdog is a program heavily and shamefully inspired by the rt_watchdog program made by Florian Schmidt: http://tapas.affenbande.org/?page_id=38 However, this one has some improvements: 1. It works with 2.4 kernels as well as 2.6. (well, at least I think it works with 2.6...) 2. Instead of permanently setting all realtime processes to run non-realtime, das_watchdog only sets them temporary. 3. When the watchdog kicks in, an X window should pop up that tells you whats happening. (just close it after reading the message). INSTALLING ---------- make cp das_watchdog /usr/local/sbin/ echo '/usr/local/sbin/das_watchdog & >/dev/null' >>/etc/rc.local reboot REQUIREMENTS ------------ tcl/tk. (http://en.wikipedia.org/wiki/Tk_(computing)) Jack_capture ============ ABOUT ----- jack_capture is a small simple program to capture whatever sound is going out to your speakers into a file. This is the program I always wanted to have for jack, but no one made. So here it is. CHANGES ------- 0.2.2 -> 0.2.3: *Added -z argument that choose number of leading zeros. *Various changes.

18 years, 10 months

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Linux-audio-user February 2006