Linux-audio-user February 2011

linux-audio-user@lists.linuxaudio.org

157 participants
129 discussions

by James Morris

Hi, I've forked the Specimen sampler to create Petri-Foo[1]. The main goal of Petri-Foo was to make the ADSRs and LFOs independent from the items they modulate (ie amplitude/pitch/etc). This has been achieved and is quite nice to play with switching modulation sources on the go as a sequences plays and the output is recorded. I'm currently overhauling the sample-'editor'. So far I've ported the deprecated GDK drawing code to Cairo, and prettified the display of play start/stop and loop start/stop points and areas. What I want to do next is explained here Sample editor zoom [2] Your ideas would be welcome in how it should work. I'll try and implement it. If you're interested subscribe to the Petri-Foo-Devel list[3]. Please note though, it's not ready for general usage by inexperienced users who don't know how to download and compile software from git repo's nor for users who aren't expecting things to be broken. Thanks, James. [1] http://petri-foo.sourceforge.net/ [2] http://sourceforge.net/mailarchive/message.php?msg_id=27069524 [3] https://lists.sourceforge.net/lists/listinfo/petri-foo-devel

14 years, 11 months

[LAU] kokkinizita -- correction

by Fons Adriaensen

In a fit or complete braindeadness FA wrote: kokkinizita.linuxaudio.org 198.82.152.114 which should of course have been: 198.82.152.114 kokkinizita.linuxaudio.org Sorry for the confusion !!! -- FA

14 years, 11 months

[LAU] kokkinizita

by Fons Adriaensen

Hello all, As posted before, kokkinizita.net went offline last week as the result of some stupid but apparently uncorrectable issues with my hosting service, hosteurope.de. They are flatly refusing to put the site back online or allow me to create a new one. The kokkinizita.net domain will appear again (I still own the domain name), but this could take some time. Meanwhile the site has been recreated at <http://kokkinizita.linuxaudio.org>. You won't be able to access it until linuxaudio.org's DNS will be updated to include this url, which will happen some time friday. In the meantime, if you need something urgently, just add the line kokkinizita.linuxaudio.org 198.82.152.114 to your /etc/hosts, but don't forget to remove it later. Many thanks to Robin Gareus, Ico Bukvic and Virginia Tech for providing this solution, and also to all people who suggested alternative hosting. For email, please use the from: address of this message, not the gmail one I posted earlier (I'll still check it, but not as frequently as I do now). Ciao, -- FA

14 years, 11 months

[LAU] Packages in clam-project lucid don't look like signed.

by Mike Cookson

I added repo: deb http://clam-project.org/download/linux-ubuntu-lucid/svnsnapshots ./ When i added svn repo for lucid, i got one clam package - clam-tools, which seems to be not signed (i'm warned when try to install). P.S. Also there is clam-networkeditor-examples, whose version showes, it is not from svn, which depends on clam-networkeditor, which is not available. Is index correct?

14 years, 11 months

[LAU] Harrison Mixbus ... now available on Linux!

by Ben Loftis

Harrison Consoles, manufacturer of the world's finest mixing consoles, is proud to announce that Mixbus is now available for the Linux platform. Mixbus(tm) extends Ardour ( the well-known Digital Audio Workstation ) with Harrison's world-renowned sound and features in a knob-per-function interface. Now cross-platform on both Linux and OSX, Mixbus provides a solution for engineers and mixers who need a recorder, editor and mixing system with world-class sound and features. -------------------------- Mixbus Features: * Straightforward “knob per function” mixer layout based on Harrison's renowned 32-series and MR-series music consoles. * Precision DSP algorithms for EQ, Filter, Compression, Analog Tape Saturation, and Summing based on Harrison's world-renowned large format analog and digital mixing consoles. * Unlimited stereo or mono input channels (based on available CPU power) featuring High-pass Filter, EQ, Compression, and 4 Mix Bus sends on every c channel. * 4 Stereo Mix Buses (can be used for groups or auxes) featuring Tone controls, Compression, Sidechaining, and Analog Tape Saturation. * Stereo Master Bus that features Tone controls, Analog Tape Saturation, K-meter, and Limiting to help you make polished mixes. * Automatic delay compensation for any routing combinations of Tracks to Mixbuses and/or Master Bus. This allows for parallel paths with different plugins that remain time-aligned to the output. * Comprehensive "at-a-glance" metering with peak, peak hold, and compressor gain reduction visible on every track and bus. * Extensive DAW features via the Ardour Digital Audio Workstation. * Uses any sound I/O supported by ALSA and/or JACK on Linux * Supports LADSPA and LV2 plugins on Linux ------------------------ The development of Mixbus is the culmination of a multi-year collaboration between Harrison and the Ardour development team. Mixbus is available at an introductory price of only $79. Purchase Mixbus now at: http://mixbus.harrisonconsoles.com Purchasers of Mixbus are also able to take advantage of a LinuxDSP plugin "bundle" at a dramatically reduced price. The included plugins ( channelstrip with gate, fully parametric EQ, multiband compressor, and reverb) extend Mixbus to provide a full-featured editing, mixing and mastering package at a great price. Best Regards, Ben Loftis Harrison Consoles

14 years, 11 months

Re: [LAU] [CLAM] Is this project still active (and still no Lucid packages)?

by rosea.grammostola

On 02/15/2011 06:16 PM, David García Garzón wrote: > On Tuesday 15 February 2011 14:31:44 David García Garzón wrote: > >> On Friday 11 February 2011 21:05:05 David García Garzón wrote: >> >>> On Monday 07 February 2011 17:38:30 Pau Arumí wrote: >>> >>>> El ds 05 de 02 de 2011 a les 13:29 +0100, en/na Mark Dammer va escriure: >>>> >>>>> I just stumbled across CLAM and find the website and the software >>>>> very inspiring. But I wonder if this project is still under active >>>>> development. The fact that there are still no packages for Ubuntu >>>>> 10.04LTS "Lucid" - what was discussed in the mailing lists since >>>>> almost a year ago makes me wonder if this project is still under >>>>> active development. >>>>> thanks for any update, Mark >>>>> >>>> Hi Mark, >>>> yes the project is well active. However the svn log is a better >>>> thermometer of activity than the web or mailing list. >>>> Lead developers/maintainers are working at BarcelonaMedia and using >>>> clam extensively for prototyping their real-time systems. Therefore >>>> the main activity is in the networks real-time infrastructure >>>> (including ladspa and lv2 plugins), the NetworkEditor and python >>>> modules to generate and modify networks. >>>> Though most of the signal processing we develop at BM nowadays about >>>> spatial audio is kept private, the CLAM infrastructure improvements are >>>> always public and GPL. >>>> >>>> About Ubuntu packages: David is your man i wait him to answer. >>>> >>>> Cheers, >>>> P >>>> >>> I am currently working on having ubuntu packages for maverick based on >>> subversion snapshots. Once they are ready, at your request, i will try to >>> backport them to lucid, but no warranty: last time i tried i found some >>> show stopper dependency problems. I just don't want to expend too much >>> time on that again, sorry. >>> >>> We are few developers and package building steal too much hours from >>> developing the framework and its applications, which should be our main >>> focus between releases. While we provide some binaries when we do a new >>> release, packaging for every platform/distro/version should be something >>> that people working on those platforms do. >>> >>> If you want to help but you can't maintain the packages yourself, please, >>> file or vote bug reports for you distro asking for maintained CLAM >>> packages. Thanks. >>> >>> As i have the packages I will send a new mail to the list. >>> >>> David. >>> >> Subversion based packages for maverick are built[1], just libs, plugins, >> NetEditor and chordata. Not even tested if they work properly (i am in >> natty) so please, give me any feedback on succes or failure. >> >> [1] http://clam-project.org/download/linux-ubuntu-maverick/svnsnapshots/ >> >> Now trying to build for lucid[2], although i got the expected dependency >> problems i think i found some solutions, which won't be accepted by debian >> policy guardians but allows the same packaging work in both lucid and >> maverick. >> >> [2] http://clam-project.org/download/linux-ubuntu-lucid/svnsnapshots/ >> >> David. >> > Lucid packages finished too. > Thanks! Great software. \r

14 years, 11 months

[LAU] Stereo width was: Harrison Mixbus ... now available on Linux!

by Ben Loftis

There are several plugins that can mono-ize the master output. SWH's Matrix Spatializer should do the trick. Or I think Invada has a nice plugin. Once you've got the plugin inserted and set-up, you can just middle-mouse-click on the plugin to toggle it on and off. ( Kevin in the video didn't mention this) Ardour3 has a mono button for this purpose... -Ben

14 years, 11 months

[LAU] OT: Problems with the LAU list - Some subjects not collapsing

by R.Wolff

Hi there list, I'm having a little problem with the LAU list. Namely as described in the header already, some of the topics won't collapse in thunderbird 3.1.7 under Ubuntu 10.10. Here's a screenshot of what I mean: http://dl.dropbox.com/u/11495591/thunderbird_not_opening_list_subject_from_… The topics with a red square around won't open at all, no matter what I try, how often I click on the arrow or whatever. LAU is the only list of a few I'm subscribed to, to expose that behaviour, which makes me think it must have to do with the configuration of the list manager maybe? I don't know. Does this happen to anybody else? I already tried to disable all tb-plugins etc., no joy. If anybody could help with this, it would be really nice. Cheers, Raphael ;) -- ________________________________ "A mind is like a parachute - It doesn't work if it's not open." |- - - - - - - Frank Zappa - - - - - - -|

14 years, 11 months

[LAU] audio configuration for ulatencyd

by Daniel Poelzleithner

Hi, I'm the developer of ulatencyd[1], a dynamic system optimizer for the linux kernel. I want to write a configuration that suits hifi audio usage better then the default configuration. The default optimizes for normal workloads, restrains amok running processes, gives priority to the active running program, the window manager and desktop ui. One problem I was facing is realtime tasks. Currently only two programs are allowed to get rt priority, thats jackd and pulseaudio. I don't know of any other that a normal user may use. The default configuration looks like this: https://github.com/poelzi/ulatencyd/blob/master/rules/scheduler_desktop.lua jackd and pulseaudio go into users bg_high group which has 1/3 of the users cpu share time and max 45% cpu realtime, which should be enough for normal workload. Normal processes, that are not caught specially are grouped into groups, using the pgrp process value. ( to workaround bad ui behaviour like kde & gnome this value can be overridden by rules. Usually all programs started get a group and all children of them end in the same group.) I guess you guys need something different. • do you a lot of rt tasks besides pulseaudio and jackd ? • do they need a lot of cpu time ? is 45% not enough for jackd/pulseaudio ? • would it be better to just put everything into one cgroup instead of many smaller groups ? maybe just make exceptions for ui apps and the rest into one group ? There are other neat things that could be done: • move all away from one processor and move jackd for example on it, giving him lowest latency possible. ok, not perfect as the kernel may still use this cpu. But interrupts can also be masked on the core. • maybe changing /proc/sys/kernel/sched_latency_ns will help As you can see, there is a lot that can be done. As I'm not doing audio, I really would like to get some requirements from users first, or even better. Someone with insights is writing the configuration/rules. I will be glad to assist :-) kind regards daniel [1] https://github.com/poelzi/ulatencyd

14 years, 11 months

Re: [LAU] [ANN] Taijiguy GigaTron (fwd)

by Julien Claassen

Oops,... seemd to have included another spam in the subject line. Sorry. See below for the original message... It's certainly not spam. :-) Hello Q! Thanks for releasing the Gigatron publicly now. It's been a great pleasure to play it and see it grow. And it makes one appreciate the work, that goes into such a thing. but you might think about changing your sender name from Q to at least a nick. Since your list mails invariably land in my spam folder. It would be a pitty, if people missed this only because of stupid mail software. Tronnily yours Julien In Feb 14 A.D. 2011 Q scripsit: > Hello everyone > > It is with great pleasure that I announce the release of the Taijiguy > GigaTron, a Mellotron sample set in Giga format. > > The set is very kindly being hosted by the Linuxsampler team and can be > found here: > > http://www.linuxsampler.org/instruments.html > > The samples were made by Bernie Kornowicz (aka taijiguy on the KVR Audio > forums). The samples were recorded over a number of years and are freely > available from taijiguy's site[1]. > > Some of these samples were packaged in SFZ format with his permission a > couple of years ago[2]. Other KVR members have packaged the samples in > Kontakt and other formats[3]. > > With Bernie's kind permission, I packaged the samples into Giga format > using Linuxsampler's Gigedit. As the samples are his copyright and I > have merely packaged them, the Giga file cannot be released under any > sort of free licence, but is (and must remain) free of charge. > > Each note of each sound is individually sampled, with no looping, in > order to preserve the essence of the Tron. A low-pass filter is mapped > to the modwheel to emulate the Mellotron's tone control. The Giga file > is keyswitched to allow fast selection of the different sounds: > > "M400 Violins" -- EQ'd Mk II Violins > "M400 Violins Yes EQ" -- EQ'd Mk II Violins > "M400 Violins Smooth Ryder EQ" -- EQ'd Mk II Violins > Cello > String Section > Mk II Violins > M300A (violins) > M300B (solo violin) > Mk II Brass > GC3 Brass > Mk II Flute > Woodwind2 > Combined Choir > > My thanks go to taijiguy for his wonderful samples, for sharing them and > for his kind permission to package them; to the Linuxsampler team for > the wonderful software, for fixing a libgig bug that was hindering > me, not to mention also for generously hosting the Giga file; to Ryder > Duncan for his perseverance in trying to replicate the fantastic sound > of the M400 Three Violins[4]; to the developers and maintainers of a > number of Linux audio apps which I've made use of in the production of > this sample set. > > Finally, for assistance with road testing, thanks go to my tame keyboard > player: some say he gets violent when not surrounded on three sides by > synths and that he can transmit midi control changes using telepathy... > all I know is, he's called Julien ;-) A technical demo of the sounds is on > the LinuxSampler website, but a musical demo of many of the sounds can be > found here: > http://juliencoder.de/nama/dream_of_the_old_land.ogg > http://juliencoder.de/nama/dream_of_the_old_land.mp3 > > Enjoy. > > Q > > [1] www.leisureland.us/audio/MellotronSamples/MellotronSamples.htm > [2] http://realmusicmedia.net/Mellotron.html > [3] www.kvraudio.com/forum/viewtopic.php?t=304393 > [4] http://ryderduncan.com/themusicalbox/?p=33 > > > > _______________________________________________ > Linux-audio-user mailing list > Linux-audio-user(a)lists.linuxaudio.org > http://lists.linuxaudio.org/listinfo/linux-audio-user > -------- Music was my first love and it will be my last (John Miles) ======== FIND MY WEB-PROJECT AT: ======== http://ltsb.sourceforge.net the Linux TextBased Studio guide ======= AND MY PERSONAL PAGES AT: ======= http://www.juliencoder.de _______________________________________________ Linux-audio-user mailing list Linux-audio-user(a)lists.linuxaudio.org http://lists.linuxaudio.org/listinfo/linux-audio-user

14 years, 11 months

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Linux-audio-user February 2011