Linux-audio-user September 2008

linux-audio-user@lists.linuxaudio.org

124 participants
125 discussions

problem installing rakarrack-0.2.0 on Ubunut 8.04

by millward

I got rakarrack installed using the .deb packages, but it won't start. It gives me an error message about some illegal instruction. root@ed-desktop:/usr/bin# ls -l rakarrack -rwxr-xr-x 1 root root 404952 2008-07-14 13:49 rakarrack root@ed-desktop:/usr/bin# ./rakarrack jackd 0.109.2 Copyright 2001-2005 Paul Davis and others. jackd comes with ABSOLUTELY NO WARRANTY This is free software, and you are welcome to redistribute it under certain conditions; see the file COPYING for details JACK compiled with System V SHM support. loading driver .. creating alsa driver ... hw:0|hw:0|1024|2|48000|0|0|nomon|swmeter|-|32bit control device hw:0 configuring for 48000Hz, period = 1024 frames (21.3 ms), buffer = 2 periods ALSA: final selected sample format for capture: 32bit little-endian ALSA: use 2 periods for capture ALSA: final selected sample format for playback: 32bit little-endian ALSA: use 2 periods for playback Illegal instruction The files libasound2_1.0.16-2_i386.deb and libsound2-dev_1.0.16-2_i386.deb had to be installed before rakarract would install because Ubuntu only had 1.0.15. I had to find the .deb files in the Debian repostitory. Everything looks fine, except rakarrack-0.2.0 won't start. I guess it just does not like Ubuntu 8.04. I'll just have to be happy with GNUitar.

15 years, 8 months

website open source media player

by Grammostola Rosea

Hi, You have forums or website which have an embedded mediaplayer who plays (posted) mediafiles... Is there an open source solution for it? To play media files posted by forum members? Regards,

15 years, 8 months

IBM's overview of Linux Realtime architectures

by Ken Restivo

An overview penned by IBM: http://www.ibm.com/developerworks/linux/library/l-real-time-linux/index.htm… -ken

15 years, 8 months

Re: [LAU] Fw: Latest -rt kernel with working nvidia

by Norval Watson

I compiled 2.6.25.8-rt7 with Nvidia driver and it runs Ardourt/Rosegarden/Hydrogen/Qsynth studio with no probs. I get crackles with new Renoise 2.0 beta which are not there with 2.6.23.11-rt14. But that will not concern the FOSS community.. :) Thanks Daniel and Cory for feedback Norv Make the switch to the world's best email. Get Yahoo!7 Mail! http://au.yahoo.com/y7mail

15 years, 8 months

nothing under the midi tab in qjackctl 0.3.1a...

by Preston C.

I just installed Fedora 8 and downloaded the Planet CCRMA packages. When I run qjackctl there is nothing under the midi tab in connect. I have not connected anything yet but is this a problem? Shouldn't there be something under the midi tab? Thanks.

15 years, 8 months

problem installing rakarrack-0.2.0 on Ubuntu 8.04

by millward

There is no package for installing rakarrack on Ubuntu, so I'm using the old configure, make, make install method and I'm almost finished with the configure except for one error message. configure can't see my Jack files. I've got lots of them installed, but it says: Package jack was not found in pkg-config search path. Perhaps you should add the directory containing "jack.pc" to the PKG_CONFIG_PATH environment variable. I don't have a file called jack.pc anywhere, but I've got lots of other Jack files. As far as I know everything Jack has already been installed so I don't know how or where you can even get the file jack.pc. The Synaptic package manager shows I've installed everything Jack and does not list a jack.pc file. The command "env" shows no envirnment variable called PKG_CONFIG_PATH. This is rather frustrating. Has anyone any ideas what I can do, or perhaps, what I've done wrong?

15 years, 8 months

Re: [LAU] Linux Based Guitar fx / midi controller

by Nathanael Anderson

the only similarities that I see this project having with openstomp is that they are both open source. openstomp uses an embedded processor, and runs special code to do its effects, this box will be designed specifically to work with open source software thats already out there, and midi controllable. I hope to tie some other code i've been working on into this, I'll post on the mailing list once I have some of the code on sourceforge. Nathanael >Nathanael Anderson wrote: >> I've seen talk on the list before of people throwing around the idea >> of a linux based guitar, but haven't heard mention of a linux based >> stompbox controller. >> >> I just ordered what I think will make the perfect stompbox case from >> http://www.surplussales.com/Cab-RacksHardware/encl_2.html, they have a >> 12" x 24" keyboard enclosure with a slant on it, which is very similar >> to the shape of a standard fully featured fx pedal. my plans are to >> put a x86 based board in it that'll easily handle jack, rakarrak, >> sooperlooper, and some ladspa effects. build midi in/through/out ports >> in to it and a 16 char lcd, some stompbox functions that'll be mapped >> to midi commands. i'll probably build a 15" lcd into a portable case I >> have so I can track loop status of sooperloop easily, maybe even go >> with a touchscreen. I also use a roland gr-20 guitar synth, which is >> midi equiped. Just throwing this out for feedback for now, I hope to >> hear of some other people that have done similar things. >> > >Is this a similar project? http://linuxmusicians.com/viewtopic.php?f=6&t=436

15 years, 8 months

Problem compiling minicomputer on Ubuntu Studio

by Dan Richert

When I run scons to compile minicomputer, I get this error: scons: Reading SConscript files ... Minicomputer-------------- - 1/2:configuring Checking for C library jack... no Did not find jack, exiting! I believe I have all the required development libraries installed. The minicomputer manual says this problem could also be caused by incorrect gcc parameters. If someone has compiled minicomputer properly on Ubuntu Studio, a list of the specific packages needed would be helpful. I'm running Ubuntu Studio 8.04 on a Pentium 4 machine. Any help is greatly appreciated. Thanks, D

15 years, 8 months

Re: [LAU] Linux Based Guitar fx / midi controller

by Norval Watson

Great idea! Could you put a valve in that like in my Vox ToneLab pedalboard? Norv Make the switch to the world's best email. Get Yahoo!7 Mail! http://au.yahoo.com/y7mail

15 years, 8 months

About the Drummer's Free Art.

by Philippe Hezaine

Hi all, In some days i'll be going to update all the current Drummer's Free Art patterns in one book. Thanks to Lilypond. It will be the first version of this project as it is nowadays. More compact and i hope more easy to use.I'll remove the separate patterns on the site but add new articles when the updates comes as far as i do (or someone else... it's Free Art License) a second version of the book. And so on... I writen some User's notes in French and English for its understanding. I know this list isn't an institution of translations but please, you know how my English is terrible. If someone can check out the text below, be sure you shouldn't hurt me. And of course, a good idea is always welcome. All the best. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% NOTES POUR L'UTILISATEUR. Voici quelques façons d'utiliser les patterns: -- AVEC LES SOURCES: Avec le Pdf, en positionnant la souris sur une note, vous verrez apparaitre une fenêtre pop-up qui vous donnera le numéro de la ligne correspondant dans le fichier source. C'est le chemin le plus facile pour sélectionner dans la source ce qui vous intéresse. Recopiez des mesures choisies dans le modèle fourni: 01-modele-patterns-1voix.ly pour faire votre propre montage, puis recompilez en ligne de commande. Attention! Si vous faites des changements de mesure, il faut rajouter \\time n/n avant la mesure concernée. Exemple: \\time 4/4 <bd hhc>8 hhc8 <ss hhc>8 <bd hhc>16 hhc <bd hhc>8 hhc8 <ss hhc>8 <bd hhc>8 | \\time 7/8 <bd hhc>8 hhc8 <bd ss hhc>16 hhc <bd hhc>8 hhc8 <ss hhc>8 <bd hhc>8 | etc ... ... sinon vous aurez beaucoup d'erreurs à la compilation et au mieux un Pdf illisible. Tous les chiffrages imaginables sont possibles mais écrivez des mesures complètes, solfège oblige, en les complétant par des silences, si nécessaire. Vous pouvez changer le tempo d'un pattern à n'importe quel endroit, faire des ralentis ou des accelerando. Comme pour le chiffrage des mesures il suffit d'insérer des \\tempo = n à l'endroit voulu. Si vous faites un tel changement au tout début d'un morceau, autant éditer aussi le bloc midi plus bas, là où est écrit: tempoWholesPerMinute = #(ly:make-moment n n) Cela vous évitera d'avoir une marque de tempo inutile au début de votre fichier Midi. -- AVEC LE MIDI: Le seul inconvénient dans l'utilisation de Lilypond est la perte des valeurs précises des vélocités. Mais quoi? Ouvrez un séquenceur. Importez le fichier Midi. Créez une ou plusieurs nouvelles pistes. Ouvrez l'éditeur de batterie. Copiez-collez la mesure qui vous intéresse et, en un tour de main, personnalisez les vélocités avant de faire les duplications nécessaires pour votre morceau. Indispensable. Par exemple pour les notes fantômes (les ghost notes. voir: Swing). Vous pourrez aussi décaler légèrement avant ou après le temps les notes de votre choix, etc... Grace au midi vous pouvez ne copier dans une nouvelle piste que la cymbale d'un pattern. N'oubliez pas les vélocités. Vous pouvez router les sorties du séquenceur vers Hydrogen... Vous pouvez importer un fichier Midi dans Csound ou Pure Data et complètement changer les sonorités... Ayez du bonheur. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% USER'S NOTES. Here are some ways about how to use this patterns: -- WITH THE SOURCES: In the Pdf, point the mouse on one note,a pop-up window will emerge which gives you the corresponding line number in the source file. It's the easiest way to select in the source file what about you're interesting. Do copy in the stocked template: 01-modele-patterns-1voix.ly and make your own editing, then recompile in command line. Look out! If you change the time signature you have to add \\time n/n before the concerned bar. Exemple: \\time 4/4 <bd hhc>8 hhc8 <ss hhc>8 <bd hhc>16 hhc <bd hhc>8 hhc8 <ss hhc>8 <bd hhc>8 | \\time 7/8 <bd hhc>8 hhc8 <bd ss hhc>16 hhc <bd hhc>8 hhc8 <ss hhc>8 <bd hhc>8 | etc ... ... otherwise you'll get too much compiling errors and a unreadable Pdf for the best. All the imaginable time signature are available but write whole bars, inevitable rudiments of music, with a completion of rests,if necessarily. You can change a pattern tempo whatever you want, make slow down or accelerando. Like time signature you have only to insert \\tempo = n at the right spot. As you do such change at the beginning of a piece, as you edit the midi block below, down there it's writed: tempoWholesPerMinute = #(ly:make-moment n n) You'll avoid an useless mark tempo at the beginning of your midi file. -- AVEC LE MIDI: The only drawback with Lilypond is the ruined values of precise velocities. But What? Open a sequencer. Import the Midi file. Create one or several tracks. Open the drum Editor. Copy and paste the bar which is interesting you and, in no time at all, you customize the velocities before to duplicate them in your song. Essential. For instance with ghost notes (see: Swing). Also, you will be able to shift from a selected note before or after the beat, etc... Thanks to Midi, in a new tracks you can only copy from a pattern this cymbal you love. Don't forget the velocities. You can route the sequencer outputs in Hydrogen... You can import a midi file in Csound or Pure Data and change all the tones... Have fun. -- Phil. Superbonus-Project (Site principal) <http://superbonus.project.free.fr> Superbonus-Project (Plate-forme d'échange): <http://philippe.hezaine.free.fr>

15 years, 8 months

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Linux-audio-user September 2008