Linux-audio-dev

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7513 discussions

[linux-audio-dev] Re: Project: modular synth editor

by vanDongen/Gilcher

> At 05:53 AM 14/01/2004, Nathaniel Virgo wrote: > >I think another great application for such a thing would be a JACK patch > >bay. It would be so much easier to use something like this to connect > >apps (and internal ardour connections) than it is at the moment. I always > >wanted to write such a thing myself but never really had the time. Me too. I am still playing around with ideas, but I never find the time to really implement them. I am thinking there should be different representation of the graph, that you can switch between. Two ideas I have been thinking of: 1) A matrix like connection view, rows are output-ports, collums are input-ports Very useful when you look at it port-centrically. You see all the connections of a single port at once. 2)Some kind of graph layout algorithm. More like pd, but maybe the connections on the side. Useful for looking at the signal path through multiple modules/jack-clients. There are some OS libraries/apps and a lot of literature for this. But I think most of it is too heavy for a patchbay. A complicated jack-graph is _very_ simple for program meant for 1000+vertex graph layout. Luke Yelavich wrote: > There already is. Check out http://qjackctl.sourceforge.net. > That is not what is being discussed though. The patch-representation model of qjackctl is pretty much useless (unreadable) for anything beyond connecting an application to the pcm. Although it _is_ a great app, it is a bad patchbay gui. I regularly use a session with: 10 channel pcm, 8 channels fluidsynth 2 channels hydrogen drum machine 16 channels ardour 2 channels rosegarden (only used for sequencing, but it still connects it self) When I finished routing, I see a blur between input and output ports in qjackctl. Gerard -- electronic & acoustic musics-- http://www.xs4all.nl/~gml

21 years, 8 months

[linux-audio-dev] Tascam US-122

by Klaus Bickert

Recently bought a Tascam US-122 interface (24bit/96khz 2 in/2out w mic phantom preamp, 2 midi, phones, direct monitoring). Works great on Megascrap. Found a hint on US-428 driver supporting it but doesnt work on a Suse 8.2 (Kernel 2.4.20), seems to lack other parts of module stack, cant identify. Suggestions anyone, please ? Ciao, ufo <kfb(a)mpe.mpg.de>.

21 years, 8 months

[linux-audio-dev] ANNOUNCE: JAMin [0.8.0] first JACK Audio Mastering interface release

by Jack O'Quin

The first stable release (0.8.0) of JAMin - the JACK Audio Mastering interface is now available for download. JAMin is a GPL licenced, state-of-the-art realtime mastering processor designed to bring out the detail in recorded music and provide the final layer of polish. Every effort has been made to ensure a clean, distortion-free signal path. All processing elements use linear-phase filtering, ensuring that no phase distortion is introduced. JAMin runs on Linux using the JACK Audio Connection Kit, a low-latency audio server, which can connect a number of different applications to an audio device, and also allow them to share audio among themselves. Homepage http://jamin.sourceforge.net/ Download http://prdownloads.sourceforge.net/jamin/jamin-0.8.0.tar.gz?download http://plugin.org.uk/jamin/ http://www.joq.us/jamin/ Installation instructions + requirements http://jamin.sourceforge.net/ALSA_JACK_JAMin.html Usage instructions http://jamin.sourceforge.net/Using_JAMin.html Features * Linear filters * JACK I/O * 1024-band hand-drawn EQ with parametric controls * 30-band graphic EQ * Spectrum analyser * 3-band peak compressor * Lookahead brick-wall limiter * 3-band stereo processing * Presets and scenes * Loudness maximiser -- JAMin is (c) 2004 J. Depner, S. Harris, J. O'Quin, R. Parker and P. Shirkey.

21 years, 8 months

[linux-audio-dev] ANNOUNCE: Rosegarden-4-0.9.6 released

by Chris Cannam

The Rosegarden team announce the release of Rosegarden-4 0.9.6, an audio and MIDI sequencer and score editor for Linux. To download the source package, go to the homepage at http://www.rosegardenmusic.com/ This release is primarily to address a significant problem with 0.9.5 that was seriously affecting sequencer timing performance for some users. For this reason we strongly recommend an upgrade. Be aware that one of the fixes in this release mandates the use of Qt 3.1 or newer to build; Qt 3.0 is no longer supported. This release also contains new translations of the GUI into Italian, Swedish and Estonian, thanks to Daniele Medri, Stefan Asserhäll, and Hasso Tepper. These are in addition to the existing support for US and UK English, Russian, Spanish, German, French, and Welsh. Chris

21 years, 8 months

[linux-audio-dev] rt irqs patch to 2.4.23

by Kai Vehmanen

Hello all, here's a new approach to improving kernel RT performance. This specifically tries to improve interrupt latencies, so it's complementary to the existing preempt and lowlatency patches. # linuxdevices.com article http://www.linuxdevices.com/news/NS3235024671.html ""Metrowerks Senior Software Engineer and veteran real-time programmer Bernhard Kuhn has created a Linux kernel patch that he claims enables hard, real-time performance in the Linux kernel by adding priorities to interrupts and spinlocks. Kuhn believes his approach to be more "natural" and akin to traditional real-time operating systems (RTOSs) than the dual-kernel approach taken by real-time projects such as RTAI and RTLinux, and he is hopeful that his patch might one day win enough interest and support to become part of the official Linux kernel tree."" # Kuhn's post to linux-kernel http://www.ussg.iu.edu/hypermail/linux/kernel/0401.1/0300.html # Kuhn's announcement http://linuxdevices.com/articles/AT6105045931.html # patch against 2.4.23 http://home.t-online.de/home/Bernhard_Kuhn/rtirq/20040108/rtirq-20040108.tgz -- http://www.eca.cx Audio software for Linux!

21 years, 8 months

[linux-audio-dev] OT: spam

by Joern Nettingsmeier

hi *! after getting about 20 spam/day to linux-audio* from a single taiwanese domain, i filed a complaint with their postmaster and abuse addresses. i thought i'd share this laugh with you: -------- Original Message -------- Subject: Returned mail: Service unavailable Date: Sun, 11 Jan 2004 20:23:59 +0800 (CST) From: Mail Delivery Subsystem <MAILER-DAEMON(a)mx144.hinet.net> To: <nettings(a)folkwang-hochschule.de> The original message was received at Sun, 11 Jan 2004 20:23:57 +0800 (CST) from netnews1.hinet.net [168.95.195.29] ----- The following addresses had permanent fatal errors ----- <fukuei.chung(a)msa.hinet.net> ----- Transcript of session follows ----- mail.local: /var/mail/00/92/fukuei.chung: Disc quota exceeded 554 <fukuei.chung(a)msa.hinet.net>... Service unavailable ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ FUCKWITS! THIS IS THE FRIGGIN POSTMASTER ADDRESS! sigh. if taiwan doesn't do something about their email legislation, they will find the entire country in a mail blackhole soon. why is every moron allowed to run an internet server just so, and driving a car takes a license ? ----- Original message follows ----- Return-Path: <nettings(a)folkwang-hochschule.de> Received: from netnews1.hinet.net (netnews1.hinet.net [168.95.195.29]) by mx144.hinet.net (8.8.8/8.8.8) with ESMTP id UAA22270; Sun, 11 Jan 2004 20:23:57 +0800 (CST) Received: from kuwiserv.folkwang-hochschule.de (kuwiserv.folkwang-hochschule.de [193.175.156.250]) by netnews1.hinet.net (8.9.3/8.9.3) with ESMTP id UAA23347; Sun, 11 Jan 2004 20:23:36 +0800 (CST) Received: from folkwang-hochschule.de (kuwiserv.folkwang-hochschule.de [193.175.156.250]) by kuwiserv.folkwang-hochschule.de (8.11.6/8.11.6/SuSE Linux 0.5) with ESMTP id i0BCLeD04610; Sun, 11 Jan 2004 13:21:41 +0100 Message-ID: <40013FC8.2050502(a)folkwang-hochschule.de> Date: Sun, 11 Jan 2004 13:21:28 +0100 From: Joern Nettingsmeier <nettings(a)folkwang-hochschule.de> User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.6b) Gecko/20031210 X-Accept-Language: en-us, en MIME-Version: 1.0 To: postmaster(a)hinet.net, abuse(a)hinet.net Subject: please take action against spammers from your domain! Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: quoted-printable to whom this may concern, i'm the mailing list administrator for the linux-audio-* lists=20 (http://linuxaudiodev.org). this is to let you know that your domain has by far been the greatest=20 nuisance in terms of unsolicited email (spam) to our lists over last week= s. the mail has been coming in from bogus addresses of the form [a-z]{3}linu[sx](a)ms[0-9]{2}.hinet.net. below i have included the headers of one spam message for your reference.= since it is putting a significant load on our servers and consumes a lot = of work time, i urgently request that you stop this practice immediately.= sincerely, j=F6rn nettingsmeier -- "I never use EQ, never, never, never. I previously used to use mic positioning but I've even given up on that too." - Jezar on http://www.audiomelody.com Jörn Nettingsmeier Kurfürstenstr 49, 45138 Essen, Germany http://spunk.dnsalias.org (my server) http://www.linuxaudiodev.org (Linux Audio Developers)

21 years, 8 months

[linux-audio-dev] programming time signature and tempo

by James W. Morris

Hello everyone, I've recently started updating wav composer not toilet (wcnt.sourceforge.net) the humourously named, rarely used, not-real-time audio sequencing, sampling, synthesis wav file generator. can anyone point me to some information about time signatures and tempo which would be useful from a programmers perspective. I've looked on the internet and what I found either told me nothing I did not know or just said that time signature was irrelevant (ie for notation only) and it was down to the performers to decide. so far my code is based on 4/4 (4 'beats' of quarter notes per bar/measure). a single bar has a value of 256, with halfnote 128, etc. What I need to work out is how a different time signature will effect this, would I need to change the value of a bar etc? I tried some experiments in cubase (i've not got any realtime sequencers working in linux yet) with audio blocks snapped to every half bar. What confused me completely was when I changed the time signature to 5/8. the snaps to half bars stayed in the same place, but the snaps to bars changed, ending with every 5th block snapped to a half note actually landing on a bar. Uh? can any one shed any light ? thanks in advance, James Morris. ~(sirromseventyfive)~ _________________________________________________________________ Find a cheaper internet access deal - choose one to suit you. http://www.msn.co.uk/internetaccess

21 years, 8 months

[linux-audio-dev] ANN: Audiality 0.1.1

by David Olofson

Audiality 0.1.1 is available! Most important changes: * All source code is now LGPLed * API namespace cleanup * ALSA 0.9 sequencer (MIDI) support * Includes Cooledit/mc syntax highlighting definition * New mixer/routing subsystem * "Auto-wah" effect * A "real" reverb * Sample accurate MIDI file playback Site: http://audiality.org Direct link: http://audiality.org/download/Audiality-0.1.1.tar.gz Check out the site and the Audiality mailing list (or archive) for more info and 0.1.0->0.1.1 ChangeLog. //David Olofson - Programmer, Composer, Open Source Advocate .- Audiality -----------------------------------------------. | Free/Open Source audio engine for games and multimedia. | | MIDI, modular synthesis, real time effects, scripting,... | `-----------------------------------> http://audiality.org -' --- http://olofson.net --- http://www.reologica.se ---

21 years, 8 months

[linux-audio-dev] Q 4.6 released

by Dr.Graef＠t-online.de

Q is a multi-platform functional programming language based on term rewriting, which comes with a collection of useful addon modules for system, scientific and multimedia programming. Release 4.6 of Q is now available, along with Q-Audio 1.2 and Q-Midi 1.12. Q 4.6 provides a much improved GGI module and a new ImageMagick module, both very useful for programming graphics in Q. Q-Audio 1.2 features a new module to display audio data in a GGI visual and a sample graphical audio player application. Q-Midi 1.12 sports some minor fixes and a simplified Windows install procedure. Downloads and more information about the Q project can be found on the Q website at http://q-lang.sourceforge.net Enjoy! -- Dr. Albert Gr"af Email: Dr.Graef(a)t-online.de, ag(a)muwiinfa.geschichte.uni-mainz.de WWW: http://www.musikwissenschaft.uni-mainz.de/~ag

21 years, 8 months

[linux-audio-dev] LJ audio column, new edition on-line

by Dave Phillips

Greetings: Linux Journal On-line has published the latest edition of my monthly column : http://www.linuxjournal.com/article.php?sid=7342&mode=thread&order=0 It's about living on Planet CCRMA and visiting my Aunt AGNULA... On-line since yesterday morning, currently at 3330 reads... Best, == dp

21 years, 8 months

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Linux-audio-dev