Linux-audio-dev March 2003

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[linux-audio-dev] lad conference on slashdot

by Paul Davis

i submitted an article about the meeting to /., and its on there now. --p

22 years, 2 months

[linux-audio-dev] LAD conference Karlsruhe info

by Frank Neumann

Hi list, the Linux Audio Developer's Conference in Karlsruhe is soon to begin, and here is just a little information I wanted to give you: - The live audio stream to be broadcast on Friday and Thursday (probably between ~ 2 P.M. and 9 P.M. on both days) is available at these LiveIce servers: x http://plugin.org.uk:2300/liveice (currently set to max. 50 clients) x http://politik.uni-duisburg.de:2300/liveice (max. 20 clients) We have never done this before, so forgive us if we run into problems there. - In order to have a "channel back" from the audience, some of us might lurk on what I think is the inofficial IRC meeting point, irc.openprojects.net, channel #lad. See also http://www.linuxdj.com/audio/lad/irc.php3. - Photos will be made, for sure :-). I don't know yet when and how we can make these available; probably already during the conference, time permitting. - The same is true for recordings of both the talks and the music we (might?) make. These might take a while to be made available. Greetings, Frank PS: Oh, and yes, reports..right. Some time later, hopefully :-).

22 years, 2 months

[linux-audio-dev] MuSE 0.8 codename PERGOLA

by jaromil

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ANNUNCIAZIO' ANNUNCIAZIO' | __| _ _ _ __ ,_ __, supported by: / | | | / |/ | |/ / \_/ | / | SERVUS.AT http://servus.at \_/|_/ \_/|/ | |_/|__/o\__/ |_/\_/|/ PUBLIC VOICE Lab http://pvl.at /| autoproduzioni /| & many friends around :) \| http://www.dyne.org \| proudly present __ __ ____ _____ ___ ___ | \/ |_ _/ ___|| ____| / _ \ ( _ ) | |\/| | | | \___ \| _| | | | |/ _ \ | | | | |_| |___) | |___ | |_| | (_) | |_| |_|\__,_|____/|_____| \___(_)___/ signori e signore, e' uscita una nuova release di MuSE Streamer the Multiple Streaming Engine (uazzagana !) a new RELEASE IS OUT! 0.8 codename PERGOLA NOW YOU CAN GET IT FOR FREE ( LIKE BEFORE AND LIKE IT WILL EVER BE ) http://muse.dyne.org <- LA VOTAMAZZA! http://muse.dyne.org http://muse.dyne.org http://muse.dyne.org it is a sourcecode, it works on gnu/linux and is a net radio tool; download size is 578Kbytes, you can choose to download from 3 mirrors http://freesoftware.fsf.org/download/muse/ http://www.autistici.org/dyne/muse http://muse.dyne.org/releases/ _ _ _ _ _ ____ ___ . ____ _ _ ____ _ _ _ __. | | | |__| |__| | ' [__ |\ | |___ | | | _] |_|_| | | | | | ___] | \| |___ |_|_| . /* stable, also useful from commandline, has ogg and mp3 both in and out at the same time. from commandline you can do multiple encodings at different settings ( -e and -s are position sensitive). */ OGG/VORBIS streaming (experimental ***) Full Rewrite of Outchannels improved FIFO multithreaded pipes thread locking has been strenghtened to improve stability does'nt crashes if icecast crashes, tries to reconnect every 5 mins *** it works with an icecast2 snapshot from 08 07 2002 i suggest you upgrade if you need a better commandline and stability! BUGS ARE BEING HUNT join on irc.freenode.net #muse or mailinglist _ _ _ _ _ ____ ___ _ ____ _ _ _ _ ____ ____ __. | | | |__| |__| | | [__ |\/| | | [__ |___ _] |_|_| | | | | | | ___] | | |__| ___] |___ . MuSE provides the free software community with a user friendly but powerful tool for network audio streaming, making life easier for indypendent free speech online radios. MuSE is an application for the mixing, encoding, and network streaming of sound: it can simultaniously mix up to 6 encoded audio bitstreams (from files or network) plus a souncard input signal, the resulting stream can be played locally on the sound card and/or encoded as an compressed (mp3 or ogg) sent to an icecast server. MuSE offers graphical interfaces to be operated realtime, but is also a practical and complete commandline tool for streaming. MuSE is free software and it's sourcecode is released open source and free to be redistributed under the terms of the GNU General Public License ____ _ _ ___ _ _ ____ ____ ____ |__| | | | |__| | | |__/ [__ | | |__| | | | |__| | \ ___] the actual MuSE development team is composed by: ------------------------------------------------ = Denis Rojo aka jaromil <jaromil(a)dyne.org> MuSE author and mantainer = nightolo <night(a)autistici.org> GTK+ graphic user interface = Luca Profico aka rubik <rubik(a)olografix.org> NCURSES console user interface = Matteo Nastasi aka MatOfPenguins <matteo.nastasi(a)milug.org> DSP, resampling if you wish to collaborate, join us on irc.freenode.net #muse MuSE as it is now would have never existed without the contributions of: = Markus Seidl ( funda.ment.org ) for his vision of such a tool = August Black ( aug.ment.org ) for the original graphic user interface = Asbesto Molesto ( freaknet.org ) for testing and documentation = Alex, Rasty and Martinez ( ! ) for the good vibes = SERVUS.AT trusting in this project since its early stage and supporting it = PUBLIC VOICE Lab ( pvl.at ) for further support and new horizons of use = Lobo for herbivore and free open air open source also waves and thanks to: voyager, void, blicero, sandolo, eni, the Freaknet Medialab, the ASCII squat, henk, the imc-audio collective, jeff, the LOA hacklab, the TPO, bundes & didi, indymedia italy, neural.it, autistici.org, Mag-One, radio onda rossa, bomboclat, c1cc10, vanguardist, janki, godog, kysucix and all the others i'm forgetting here! MuSE redistributes, linked statically, the following libraries: = libmpeg by Woo-jae Jung (now mantained by Mikael Hedin) = libshout by Jack Moffit, Chad Armstrong and Scott Manley = libcdk by Mike Glover MuSE can link itself dinamically to the following libraries: = libogg, libvorbis, libvorbisfile - www.xiph.org = glib, libgdk, libgtk - www.gtk.org = liblame - www.mp3dev.org/mp3 = libX11, libXext - www.xfree86.org = other common GNU libraries MuSE sourcecode also got inspirations and code snippets from the stream mixer sourcecode by Scott Manley, the buffered FIFO pipe source by Charles Samuels, the GTK knob widget by Alexander Koenig, GNOME icons by Jakub Steiner MuSE is copyright (c) 2000 - 2001 Denis "jaromil" Rojo and August Black (c) 2002 - 2003 Denis "jaromil" Rojo MuSE's GTK+ GUI is copyright (c) 2001, 2002 by nightolo MuSE's NCURSES GUI is copyright (c) 2002 by Luca Profico aka rubik part of the included code is copyright by the respective authors, please refer to the distributed sourcecode for details. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (GNU/Linux) iD8DBQE+bhQTWLCC1ltubZcRAoC+AJ4j25Qm2qjjGtbllhTQyId8w1/bpACgzZoH 5kQAP9T5icfWyEShtHZZubA= =BZAD -----END PGP SIGNATURE-----

22 years, 2 months

[linux-audio-dev] BU FIRSATTAN RARARLANIN.

by MARAMARA Erotik Market

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22 years, 2 months

[linux-audio-dev] request for a small app

by Dave Phillips

Greetings: I'm setting up some machines for people who want to start working with Linux audio applications. I've installed RH 8.0 and the PlanetCCRMA software, and I'm sure the users will be very pleased with these systems. However, one of the guys wants a simple app that I'm not finding (or am overlooking on my own site). He mostly wants to play his external MIDI keyboard through his soundcard (SBLive), which is no problem, but he'd like to be able to see what patches he selects via program changes sent from his keyboard. I'm wondering if it might be possible to whip up a small app that displays the following: ALSA/JACK connection status patch name update MIDI message flow (minus active sensing, of course) I'm imagining a simple 1-panel app that just lets him know that his keyboard is working and what are his selected patches. Yes, I know he can do this in MusE but he isn't interested in sequencing yet, he just likes to jam out on his keyboard. He's been using some similar app under Windows 3.1 (!!!), it would be nice if I can give him something under Linux that's at least as amenable. Comments, suggestions ? Best regards, == Dave Phillips The Book Of Linux Music & Sound at http://www.nostarch.com/lms.htm The Linux Soundapps Site at http://linux-sound.org Currently listening to: Brian Eno, "Unfamiliar Wind"

22 years, 2 months

[linux-audio-dev] BU FIRSATTAN RARARLANIN.

by MARAMARA Erotik Market

22 years, 2 months

Re: [linux-audio-dev] shared memory tools?

by Juhana Sadeharju

>From: "Kjetil S. Matheussen" <k.s.matheussen(a)notam02.no> > >Just define a common filename_prefix for all your processes, >and let them call the function: >You can find aipc at http://www.notam02.no/arkiv/src/k_jack.tar.gz/aipc/ I will take a look at it as soon as possible. Thanks. >From: rm <async(a)cc.gatech.edu> >> Could somebody please write these routines to me? > > yikes! [ insert nasty comment here ] What is wrong in asking somebody expert to write these routines for me? Should I write slowly everything myself and feel like a brave hacker, or should I just get the application written as soon as possible? The old hacker tradition a la A. Cox et al (did he wrote some memo on open source coding) should be forgotten yesterday. If people need utils or algorithms, they should be encouraged to ask them instead of spending days in thinking the best approach (which could kill all the fun). In any case, change in attitude does not make a harm at all, instead, we might end up to see more finished software, and less unfinished software. Experience talks. Best regards, Juhana

22 years, 2 months

[linux-audio-dev] Re: Merhaba..

by Hande

22 years, 2 months

RE: [linux-audio-dev] How to delay video?

by Sreelal Chandrasenan

Hardware video delay price is around $2500-$3500. Cost is based video delay time. These are having about one second delay. -----Original Message----- From: Anders Torger [mailto:torger@ludd.luth.se] Sent: Friday, March 07, 2003 11:22 AM To: linux-audio-dev(a)music.columbia.edu Subject: Re: [linux-audio-dev] How to delay video? On Friday 07 March 2003 10.04, Nick Bailey wrote: > Just at thought, but the best place to insert the delay would surely > be the MPEG data stream. Unfortunately, I don't know of any DVD > players which have MPEG out on the back, presumably because of the > Movie maffia being afraid you can take stills of their beautiful art > and make it into a lowly mouse mat or something. Since MPEG is ?about > 2Mb/sec (just guessing), it should be quite easy to buffer a few > seconds of it. > > Incidentally, RGB would be better than the S-Video: the chrominance > in S-Video is still band-limited and QAM, but separate from the > luminance (hence the S) so that they don't interfere with eachother. Ok, I see there are some hardware solutions in separate boxes, which probably works quite well, but price is quite high, it seems to be at least 5000 US dollars to get a video delay box. /Anders

22 years, 2 months

[linux-audio-dev] [ANN] RTMix software interactive multimedia interface version 0.7 released (3/10/03)

by Ivica Bukvic

Hello fellow musicians, composers, multimedia sculptors, and developers! It is my pleasure to announce to you the newest release of RTMix version 0.7. New improvements include: *Internal error widget has been removed. *External Error Log now became a general purpose Console. *Added visuals for monitoring of data flow at the bottom of the external Console. *Sped-up the start-up time by 300-400% (literally :-) *Fixed bug where global transport events did not execute on a local client causing many scripts to fail. *Reordered Tabs on the main widget. *Made External resizable widgets resizable only when performance was not in session (in order to minimize cpu-utilization by RTMix during the performance settings). *Fixed Metronome weird resizing bug. Now when the meter is changed, the widget resizes appropriately. *Fixed color coding errors for the notification interface. *Re-arranged the settings saving routines. *Added new parameters to the config file. *Added networking authentication code and made it configurable in the settings tab. *Added filter for events in order to disable potentially malicious sys-calls to be executed. *Fixed gazillion (literally :-) bugs in the parsing engine. *Standardized error and logging output messages. *Color-coded Console messages. *Added "go-to-error" feature. *Implemented MIDI protocol as a separate thread. Users can now use MIDI for real-time events, as well as MIDI routing. *Provided new tabs in the settings menu that enable user to specify the appropriate MIDI port. *Implemented OSC (Open Sound Control) for inter-app communication. *Implemented generic OSC network communication. *Implemented OSC routing for the purpose of sharing the MIDI port. *Enabled variables to be included in notification interface messages. *Enabled multiple instance of variables and MIDI parameters to be included in functions, assigns, and events (sys calls and others). *Fixed metronome's inconsistent resizing. *Fixed bug where BPM's on the metronomes 2-4 were corrupt. *Jump events now interpret events they jump to in a proper fashion. *Added full-fledged HTML documentation (Yay!) *Included more tutorials and provided better annotations for the older ones. *Made apply button disabled in the settings menu, unless something was changed. *Made MIDI monitoring and MIDI logging buttons disabled by default, unless the real-time monitoring is enabled. *Added color-coding and more verbose descriptions of the real-time events in the table. *Enabled differentiation between keyboard presses and releases and their mappings to the real-time events. *Added line-number tool for the editor. *Fixed behavior of the probability parameters. *Annotated more parser's warnings. *Implemented protection against infinite recursion scripts. *Other stuff that I cannot think of at this moment. --------------------------------------------------------------- RTMix is downloadable here: http://meowing.ccm.uc.edu/~ico/rtmix-latest.tar.gz (approx. file size is 4.8MB). For more info, see the included HTML docs, or visit the author's webpage at http://meowing.ccm.uc.edu/~ico/ RTMix currently runs only on Linux, although the transparency of code should make it easily portable to other Unix platforms supporting Qt toolkit. --------------------------------------------------------------- If you are not familiar with RTMix, here's a quick overview: What is RTMix? RTMix is an open-source (GPL-licensed) software application designed to provide stable, user-friendly, standardized, and efficient performance interface that enables performer(s) to interact with both the computer and each other in the least obtrusive fashion. What this means is that RTMix offers an array of visual stimuli that can be utilized on-stage in order to coordinate various performing forces utilizing diverse media. What do I need it for? How many times have you witnessed an interactive work that requires coordination between the composer and performer, composer usually being off-stage and posing as an aircraft navigator sending out all kinds of signals with waving hands and other distracting (perhaps even comical) physical gestures? Have you ever questioned computer's off-stage presence when it has an important role in generating the resulting sonic landscape (or even a multimedia setting)? Did you ever wish to have an elegant on-stage interface that is easy to use and furthermore provides the least amount of distraction for the performer(s) -- an interface that offers standardization, transportability, and most importantly low cpu-footprint, therefore enabling user to utilize majority of processor cycles for the stuff that matters the most -- the content-generation, processing and reproduction? Have you ever wished to have your work more "transportable", to have it more accessible and more easily performable in settings where you were not physically available to provide technical support to the not-so-computer-literate performer? Did you ever write a chamber acoustic work that required considerate amount of coordination but you did not want to use a conductor? How about a work for a large performing groups? Do you use powerful Music-N languages for real-time work but do not have an elegant interface for real-time performance settings? Are you a PD/Max/MSP/jMax object-oriented multimedia composer, but do not want to deal with designing the user-interface for your contraptions, nor with the lack of standardization such interfaces impose on end-users (i.e. performers other than the composer themselves)? Did you ever feel like using only one multimedia tool at a time was limiting your creativity (i.e. Csound, RTcmix, Supercollider, Pd, Max/MSP, etc.) and that you always wanted to have multiple audio applications to coexist in your work? If you have answered any of these questions positively, then RTMix just might be the answer to your needs :-). Ivica Ico Bukvic, multimedia sculptor http://meowing.ccm.uc.edu/~ico P.S. Apologies for cross-posting! Some mailing lists ate up my original post :-(

22 years, 2 months

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Linux-audio-dev March 2003