Linux-audio-user December 2003

linux-audio-user@lists.linuxaudio.org

149 participants
190 discussions

[linux-audio-user] JACK session management.

by Patrick Shirkey

Just wondering if anyone else has noticed a very simple way to have session management is to have a script which connects all the neccessary ports with jack_connect jack_disconnect? I feel foolish that I haven't noticed this earlier and felt I should share... -- Patrick Shirkey - Boost Hardware Ltd. Http://www.boosthardware.com Http://www.djcj.org - The Linux Audio Users guide ======================================== Apparently upon the beginning of the barrage, the donkey broke discipline and panicked, toppling the cart. At that point, the rockets disconnected from the timer, leaving them strewn around the street. Tethered to the now toppled cart, the donkey was unable to escape before the arrival of U.S. troops. United Press International Rockets on donkeys hit major Baghdad sites By P. MITCHELL PROTHERO Published 11/21/2003 11:13 AM

20 years, 4 months

[linux-audio-user] Students need help!

by Mirouf Linux

Hello, We are two students in France in a sound engineer school and we are loocking for a "Memory director"(???) from the Linux Community, french. So, please diffuse this message. Thanks and sorry for my bad anglish... Bonjour Nous sommes étudiants en troisième année à l'ENS Louis Lumière (Paris) dans la section son, et nous préparons actuellement un mémoire de fin d'études sur les applications de LINUX dans le domaine des stations de travail audionumériques professionnelles. Nous prévoyons de faire un état des lieux de l'audio sous LINUX, et de mettre au point une station de travail dédiée qui sera en démonstration à l'école. Notre formation initiale portant plutôt sur les métiers du son, nous souhaiterions entrer en contact avec un développeur ou un chercheur spécialiste de LINUX qui pourrait nous aiguiller dans nos recherches. Nous envisageons deux parties différentes, la première sur l'architecture sonore de Linux, les drivers ALSA, JACK et la façon dont tout ça fonctionne. Etablir une guide d'installation et de mise en oeuvre de Linux pour travailler le son. La deuxième serait plus pratique et concernerait des logiciel comme ARDOUR, ou les différentes distributions Planet CCRMA, Agnula... Un comparatif et des tests seront menés pour dégager les avantages et défauts d'un station sous Linux par rapport à des logiciels propriétaires du type Protools. Nous recherchons deux directeurs, des personne plutôt orientées et compétantes sur les aspects techniques de Linux (nous sommes nouveaux), les drivers et l'optimisation, ayant une connaissance du travail dans l'Audio. Une petite rénumération de l'ordre du dédomagement et prévu par l'école, Etudiants en thèse acceptés N'hésitez pas à nous contacter si vous êtes intéressé, nous avons besoin de réponse assez rapides... Merci Vous pouvez nous joindre aux adresses suivantes: francois_gueurce(a)yahoo.fr Joseph_jaouen(a)yahoo.fr Merci de passer par ces adresses, nous n'avons pas le temps d'éplucher les mailing lists Merci Joseph Jaouen François Gueurce _________________________________________________________________ Do You Yahoo!? -- Une adresse @yahoo.fr gratuite et en français ! Yahoo! Mail : http://fr.mail.yahoo.com

20 years, 4 months

RE: [linux-audio-user] rme Digi96/8 adat

by Reuben Martin

> From: hayesjaj(a)notes.udayton.edu [mailto:hayesjaj@notes.udayton.edu] > Now that I have my card working to its fullest potential, I am > having some difficulty with xruns. Most of my projects are > rather long > recordings but I cannot seem to make ardour work for more > than 8 or so > minutes before an xrun in jack stops the transport. I have > tried the jack > startup settings from the wiki (the rme_adat ones) and have > not been able > to get them to work. I am currently using -R -t 2000 -d alsa > -d rme_adat > -r 44100 -p 256 -n8 -zs -H -M which seems to give me the > longest stretch > of recording time. There could be any number of reasons for xruns. My first question would be, have you applied the capabilities patch to the kernel and compiled support into jack? Are you using a tmpfs file system for jack's FIFO? What version of jack are you using? >I would like to bump up the period length > to -p 512 > but jack will not accept anything above -p 256 (64 works > though). This card has a fixed buffer size and will only work with with the number of periods set to 8 or 32. When using the adat device, the only combinations that will work (with 32 bit word size) are "-p 256 -n 8" and "-p 64 and -n 32". You bump the period length up to 512 but only if you are in 16 bit mode. -Reuben

20 years, 4 months

[linux-audio-user] Drums on Demand

by Jan Depner

Is anyone using Drums on Demand on Linux. If so how do you like it. Also, what do you use to modify the BPM of the samples. Thanks. Jan

20 years, 4 months

[linux-audio-user] Getting Flash to make sound on ALSA/ICE1721

by Frank Barknecht

Hallo, this actually is no question, but an answer, I'm posting here for archive searchs. For a long time, I had no sound output from Flash-enabled websites in Mozilla with the official flash plugin using a ICE1712 chipset card and ALSA (using OSS-emulation). Today I tried running Mozilla through the libaoss-hack like $ aoss mozilla My asoundrc only contains this: "pcm.dsp0 pcm.default" Voila: sound was playing on sites like this: http://en-f.tezuka.co.jp/play/games/dancing_atom/index.html Unfourtunatly this does still not work with dsp0 routed to dmix. ciao -- Frank Barknecht _ ______footils.org__

20 years, 4 months

[linux-audio-user] JAMin

by davidrclark＠earthlink.net

Jan, Steve, et al. In trying to install JAMin, I found: jamin-geq.o: In function `geq_set_coefs': /mnt/hdb7/home2/davec/c/user/downloads/jamin/jam/src/geq.c:126: undefined reference to `libintl_dgettext' jamin-geq.o: In function `geq_set_sliders': /mnt/hdb7/home2/davec/c/user/downloads/jamin/jam/src/geq.c:151: undefined reference to `libintl_dgettext' So I added -lintl to the gcc link line (manually). Linked OK after that. Dave.

20 years, 4 months

RE: [linux-audio-user] rme Digi96/8 adat

by hayesjaj＠notes.udayton.edu

Thanks much. I found the problem was a little error in my modules.conf file. Now that I have my card working to its fullest potential, I am having some difficulty with xruns. Most of my projects are rather long recordings but I cannot seem to make ardour work for more than 8 or so minutes before an xrun in jack stops the transport. I have tried the jack startup settings from the wiki (the rme_adat ones) and have not been able to get them to work. I am currently using -R -t 2000 -d alsa -d rme_adat -r 44100 -p 256 -n8 -zs -H -M which seems to give me the longest stretch of recording time. I would like to bump up the period length to -p 512 but jack will not accept anything above -p 256 (64 works though). Any thoughts? James

20 years, 4 months

RE: [linux-audio-user] rme Digi96/8 adat

by Reuben Martin

From: hayesjaj(a)notes.udayton.edu [mailto:hayesjaj@notes.udayton.edu] >>3) The ability to tell Jack how many ports to make available. >Specifically, I am interested in the third item. I have successfully >captured and sent 2 channel audio from both dev 0 and 1, but I (as I am >VERY new to ALSA and the .asoundrc voodoo) have not been able to use all 8 >channels of ADAT optical io. The goal of my setup is to capture 8 streams >into Ardour via jackd from the ADAT in but I have yet to figure out how to >access all of the interleaved data. Please excuse me if my difficulty is >naive but as I said I am new to the finer workings of alsa and am eager to >get some direction beyond the fragments found in news group archives. That option is available in the alsa driver options within Jack. Perhaps you might try qjackctl, it might make everything a bit easier, especially for somebody new to Alsa, jack etc. http://qjackctl.sf.net/ Also check out the RME Digi96/8 section in the alsa wiki, I've been keeping it up to date and it might help you out a bit. http://alsa.opensrc.org/index.php?page=rme96 -Reuben

20 years, 4 months

Re: [linux-audio-user] Sounds Expo in the UK

by Daniel James

Hello all, Please forward this to all relevant lists. I've negotiated with the organisers of Sounds Expo 2004 (a studio technology trade show taking place near London, England, 10th to 12th February) to have a Linux audio and music stand. http://www.sounds-expo.co.uk/index2.php This will be a non-commercial stand demonstrating Linux audio systems and offering free advice from Linux experts. What we need now are: 1. Firm commitments from people who can travel to London on these dates and offer help on the stand (doesn't have to be all three days). You need not be an expert, as you won't be on the stand on your own - a Linux audio user who is confident to talk about their experience would be great. If you can bring hardware that would be a bonus. 2. Offers of sponsorship for the stand - we will need to cover venue expenses, as we can't expect the organisers of the event to subsidise the stand. I believe this is the first time that an event of this type will have a Linux stand, and I think it's really important to get the software in front of a specialist audio (but non-Linux) audience. Cheers Daniel

20 years, 4 months

[linux-audio-user] gmorgan 0.18

by holborn

Hi! gmorgan is a .. Rhythm Station, an organ with auto-accompaniment and a "small" Band in a Linux Box. Uses MIDI and the ALSA sequencer for play the rhythm patterns. Styles, patterns , sounds, and the mixer settings, can be edited and saved. Program is released GNU/GPL version 2. == v0.18 (10/12/2003) == ---------------------------------------------------------------------------------- - Added full extensive documentation in .pdf and .sxv formats. Thanks to Gilles Maire. - Format file of patterns changed, hardly reduced size. - Added miscelaneous edit functions. - Parts of code rewrited to impove speed. - Solved major and minor bugs. - Pattern Added. REQUERIMENTS -------------------------- Linux ALSA Fltk Midi Keyboard (Optional). Available in: http://gmorgan.sf.net http://personal.telefonica.terra.es/web/soudfontcombi/gmorgan.html http://www.telefonica.net/web/soudfontcombi/gmorgan.html http://perso.wanadoo.fr/guy.clotilde/GMORGAN/index.html Grettings Josep

20 years, 4 months

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Linux-audio-user December 2003