Linux-audio-user December 2011

linux-audio-user@lists.linuxaudio.org

103 participants
104 discussions

by Renato

Hi, I'm trying to follow the wiki screencasting guide: http://apps.linuxaudio.org/wiki/screencasttutorial however I don't get how Xephyr should work. I just get a big black window. That's probably because I just removed the "/etc/X11/Xession" line, but I don't have that file (I'm on Archlinux). I tried substituting it with "xinit" (how I normally start X) but that didn't work too. how is it supposed to work? cheers, renato

13 years, 3 months

Re: [LAU] eliminating xruns on 64-bit Arch ?

by Mac

Date: Thu, 15 Dec 2011 07:49:23 -0500 Subject: Re: eliminating xruns on 64-bit Arch ? > From: Dave Phillips <dlphillips(a)woh.rr.com> > Subject: [LAU] eliminating xruns on 64-bit Arch ? <snip> > Greetings, > > I like my Arch system, but its rt performance is simply not so good as > my old 64 Studio installation. I think I have it optimized, but I wonder > if there isn't more I could do to eradicate the occurrrence of xruns > when recording with Ardour. Technical details follow. > A couple years back I did a lot of this sort of parameter adjusting to get Ubuntu Studio (vintage 9.x) to work with as few xruns as possible with 2 AF12's. After getting it running I did the same in vintage UB Studio 10.x, but could never get it to the point of no xruns in a 2 hour recording. I then stumbled on AVLinux. I installed it, fired up Jack and Ardour...and it just worked. So that's what I've been using for sometime now. This is of course a single data point and I have not had the occasion to do try anything with later releases. So: YMMV , caveat emptor. Regards, Mac

13 years, 3 months

Re: [LAU] screencasting with xephyr - wiki page

by Renato

On Thu, 15 Dec 2011 13:45:59 +0100 Jeremy Jongepier <jeremy(a)autostatic.com> wrote: > On 12/15/11 13:22, Renato wrote: > > On Thu, 15 Dec 2011 13:02:00 +0100 > > Jeremy Jongepier<jeremy(a)autostatic.com> wrote: > > > >> On 12/15/11 12:34, Renato wrote: > >>> Hi, I'm trying to follow the wiki screencasting guide: > >>> > >>> http://apps.linuxaudio.org/wiki/screencasttutorial > >>> > >>> however I don't get how Xephyr should work. I just get a big black > >>> window. That's probably because I just removed the > >>> "/etc/X11/Xession" line, but I don't have that file (I'm on > >>> Archlinux). I tried substituting it with "xinit" (how I normally > >>> start X) but that didn't work too. > >>> > >>> how is it supposed to work? > >>> > >>> cheers, > >>> renato > >>> _______________________________________________ > >>> Linux-audio-user mailing list > >>> Linux-audio-user(a)lists.linuxaudio.org > >>> http://lists.linuxaudio.org/listinfo/linux-audio-user > >> > >> Hello Renato, > >> > >> Which DE are you using? > >> > > > > only openbox wm > > Even though it doesn't really matter anymore (since you're not going > to use Xephyr) but you could try xinit /usr/bin/openbox-session as > mentioned in the Arch wiki. But you probably have an .xinitrc file uh yes and quite a populated one ;) >so > you shouldn't get a black screen. Anyhoo, probably works better > without using Xephyr. > Ok, I'll give it a shot at editing the wiki best wishes, renato

13 years, 3 months

Good audio interface for GNU/Linux?

by tizo

Hi there, Nowadays, I use Debian Squeeze to play my keyboard, which is an M-Audio midi controlled connected to my PC through USB. The software I am using is jack to connect all the stuff, mididings to control my keyboard on real time (keyboard partitions on different outputs channels, octaves configuration, etc), and QSynth to synthesize the sounds. This works really nice by the way. Now, I would like to practise with my band, using my computer and headphones to not annoy my neighbours. At the beginning we would be three: a bass, a guitar and the keyboards. I am thinking in using guitarix to control the bass and the guitar. So, what I am searching is a good audio interface, that works on GNU/Linux out of the box, with some instrument inputs, and some headphones outputs. I was thinking in something like http://www.m-audio.com/products/en_us/FastTrackUltra.html, but I have read that it does not work out of the box in GNU/Linux. Besides, it has only two headphones outputs, and we would need at least three at the beginning, and I don't really know if those headphones outputs could be used as system outputs. In the future, we would like to add and electric drum too. I think that this would not be a problem for the instrument inputs of the audio interface, as it could be connected directly to USB sending MIDI signals, but the problem would be that we would need another pair of headphones. To sum up, the questions are: 1- Do you know any good audio interface that works out of the box in GNU/Linux, with at least two instrument inputs? 2- Could we use the same interface to connect 4 headphones?. Or should we think in another hardware to make this? Any help is really appreciated. Thanks very much, tizo

13 years, 3 months

Bell characteristics (list of partials)

by Julien Claassen

Hello everyone! I'm trying to design a bell with csound. I found a bit of material on the web, but most of it has only graphic representations of the partials of the sound and their suggested envelopes. I found one side with some basic settings. I'm sure though, that somewhere there will be a nice collection of analysed bell sounds recorded from real bells or as part of some physical project. Is anyone of you aware of textual data about bell sounds? Oh yes: I want to work with additive synthesis and do the proper job. FM might be OK, but not for this sound and not for the control over the exact sound I have in mind. Thanks in advance for any help on this! Kindest regards Julien =-=-=-=-=-=-=-=-=-=-=-=- Such Is Life: Very Intensely Adorable; Free And Jubilating Amazement Revels, Dancing On - FLOWERS! ====== Find my music at ====== http://juliencoder.de/nama/music.html ..................................... "If you live to be 100, I hope I live to be 100 minus 1 day, so I never have to live without you." (Winnie the Pooh)

13 years, 3 months

New floss made album released, Garage Orchestra! - The decison of Don Rodrigo

by Giorgio - Audiophilo

Hi everybody, i'd like to share my happiness with you all for the release of the fully free software made album Garage Orchestra! - The decision of Don Rodrigo. It has been released by Futurebeat Ltd. It has been a very hard and long work since i've made the entire production, from the arrangements to the final master. The result is a mix of atlernative rock, pop and electronic. I hope you appreciate the effort. Cheers http://www.youtube.com/watch?v=WAjixbQf4fQ -- Giorgio Baù *Sound engineer* T.Rex Studio www.trexstudio.com

13 years, 3 months

a piece using Cmask/Csound

by Dave Phillips

Greetings, Continuing the SoundCloudification of DLP : http://soundcloud.com/davephillips69/harmonia-mundi-mei Yes, it's another composition made with AVSynthesis. Sigh. However, to spice things up I decided to deploy the very nice Cmask module in Jean-Pierre's program. Btw, I tried to post MP3/OGG files to my usual station at linux-sound.org but the site is still under maintenance. I'll post a notice when they're available, for those of us who have not yet succumbed to the Cloud. Best, dp

13 years, 3 months

[Music] Periri - Säkert sant

by Robert Jonsson

Hello everybody, It seems I'm working on lots of songs but never complete any of it ;) So to break with tradition, here's a new tune that popped out during beta testing of MusE. :) Link and player on this page: http://spamatica.se/periri/ I think it may be somekind of progressive electronica... if it matters ;) Feedback is very welcome, Robert

13 years, 3 months

Transmittance #2 - telepresence online performance

by Luka Prinčič // Nova deViator

hi all, just wanted to announce a live performance. In this project we use primarily linux and GNU GPL software (Pure Data, GEM, SuperCollider, Icecast, Ogg/Theora video) and hardware (SenseStage). Appologies for any cross posting. Transmittance #2 - telepresence performance =========================================== @ http://transmittance.si & @ Tobacco 001 Cultural Centre, Ljubljana // 13. december 2011 @ 20:00 CET // Online audience can watch and interact with the performance live using a recent version of popular browser like Firefox or Chrome. No other software is needed. Transmittance explores collaboration which is local, global, networked and broadcasted. It involves an artistic group of performers, visual artists, musicians and computer programmers to research performative possibilities of streaming, broadcasting and telepresence forging new types of performance and audience. With focus on critical and socially-aware artistic languages this work is based on asking questions about body, self and society - opening non-dualistic perspectives. The project tries to rethink the notions of spectatorship and spectacle, ways of watching and seeing and the audience as spectators from the outside. In framework of free telepresence technologies it is a quest to open new spaces of visibility for performance and new media art and while critically deconstruct also actively bypass power structures that have a hold on physical spaces of artistic representation. Emphasis is made on creative use of free and open source software and its impact on artistic process and collaboration. The project develops a specific method of improvised performance which allows compositional freedom beside specific prepared scenes at the same time and in the process collide different specifics of various artistic media (performance art, expanded cinema, sound art, new media realities). Transmittance is a project proposed by Maja Delak & Luka Prinčič. Transmittance_#2 is in collaboration with: Loup Abramovici, Boštjan Božič, Maja Delak, Matija Ferlin, Jakob Leben, Ana Pečar, Luka Prinčič, Maja Šorli, Igor Štromajer, Jelena Ždrale and Nataša Živković Produced by: Emanat Institute, Ljubljana Coproduced by: Galerija Kapelica (Zavod K6/4), Tobacco 001 Cultural Center (MGML), Ljubljana Financial support: Ministry for culture of Slovenia, City of Ljubljana //////////////////////////////////////////////////////////////////////// Previous Transmittance phases: Transmittance #1.5, Ljubljana/Graz [26/8 2011] with Maja Delak, Luka Prinčič, ESC Gallery, Graz, Reni Hofmueler and "mur.sat" project // organized by Emanat Institute, ESC Gallery Graz Transmittance #1 Pula,.hr [27/5 2011] with Marko Bolković, Maja Delak, Matija Ferlin, Luka Prinčič, Messmatik, Rea Korani, Mauricio Ferlin, Marcel Mars/Nenad Romič // executive production by: Egle Vošten // produced and organized by: Polis Jadran Europa Pula, Emanat Institute Ljubljana // financially supported by: Ministry of Culture Croatia, Municipality of Pula, Ministry of Culture RS, City Municipality of Ljubljana // supported by: Region of Istria, Tourism Office Pula Transmittance #0, Teatro Petrella, Longiano, Italy [19/12 2010] Maja Delak & Luka Prinčič (Wanda & Nova deViator) // preparation of the tools / open rehearsal // with Adele Cacciagrano, Tihana Maravic, Silvia Mei, Fabrizio Zanuccoli // program VIA DEL CONFINE, The East Side (of the moon) // curator: Nhandan Chirco // organized by: YANVII, Rad'Art Project/Artéco, Teatro Petrella, Emanat Institute Dirty Dozen BodyLab, Berlin, Ljubljana [28/8 2010] Luka Prinčič & Maja Delak - research of streamed interactive performance by invitation of Kathleen Reynolds (Berlin team: Michel Abdoul / Pascal Baes / Joao Costa / Awatef Fettar / Oscar Garcia / Dusan Pejcic / Kiril Bikov / Kathleen Reynolds / Aï Suzsuki / Gill Viandier / Raphaël Vincent / Vero Mota) //////////////////////////////////////////////////////////////////////// http://transmittance.si || http://emanat.si http://wndv.si || http://skylined.org

13 years, 3 months

pressure sensitive tablets for music

by Renato

Hi list, I'm wondering, how is the linux support for those tablets with a fake pen used for drawing? Are they plain HIDs and thus usable in pd/sc? I'm particularly interested in the pressure sensitive ones... cheers, renato

13 years, 3 months

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Linux-audio-user December 2011