Linux-audio-user July 2013

linux-audio-user@lists.linuxaudio.org

101 participants
94 discussions

[ANN] Qtractor 0.5.10 - The Kilo Papa is out

by Rui Nuno Capela

Nothing much to say... but anything goes, as long it goes before the proverbial midsummer meltdown... whatever:) Qtractor 0.5.10 (kilo papa) is out! Release highlights: * Edit/Insert, Remove range options (NEW) * LV2 Dyn-manifest support (NEW) * Time, frames, BBT display option in-place menu (NEW) * Audio export track automation (FIX) * Clip/event selection clear/reset (FIX) Website: http://qtractor.sourceforge.net Project page: http://sourceforge.net/projects/qtractor Downloads: http://sourceforge.net/projects/qtractor/files - source tarball: http://downloads.sourceforge.net/qtractor/qtractor-0.5.10.tar.gz - source package (openSUSE 12.3): http://downloads.sourceforge.net/qtractor/qtractor-0.5.10-7.rncbc.suse123.s… - binary packages (openSUSE 12.3): http://downloads.sourceforge.net/qtractor/qtractor-0.5.10-7.rncbc.suse123.i… http://downloads.sourceforge.net/qtractor/qtractor-0.5.10-7.rncbc.suse123.x… - quick start guide & user manual: http://downloads.sourceforge.net/qtractor/qtractor-0.5.x-user-manual.pdf Weblog (upstream support): http://www.rncbc.org License: Qtractor is free, open-source software, distributed under the terms of the GNU General Public License (GPL) version 2 or later. Change-log: - Default drum-key note names are now properly showing on MIDI tracks that are assigned to known drum/percussive instrument patches (eg. SoundFont 2 (.sf2) bank 128). - Time display format (frames, clock-time or BBT) may now be changed from the context-menu on any time entry spin-box. - LV2 plugin support is now tightly tied to liblilv; the same tie applies to LV2 plugin UI support and libsuil and vice-versa. - Mixer buses racks (ie. left/input and right/output panes) are now both kept fixed-width when whole mixer window is resized. - Unconditional LV2 Dyn(amic)-manifest support has been added. - Main track-view Edit/Insert,Remove/Range dialog is now being introduced with optional applicability to Clips, Loop, Punch in/out, Automation, Tempo-map and/or Markers. - New range removal editing tool, split/moving clips backward at the specified edit-head/tail interval (Edit/Remove/Range, Track Range)--by Tuomas Airaksinen, thanks. - Andy Fitzsimon's original icon from opencliparts.org makes it through as the default standard scalable format (SVG). - Automation's back in effect on Track/Export Tracks.../Audio. - Reversed shift/ctrl keyboard modifier roles on middle-button clicking over the main track and MIDI clip editor views (aka. piano-roll) in regression to original old semantics. - Color selection actions now have a brand new palette icon. - Make sure main track-view and MIDI clip editor selection is only cleared on specific discrete commands. - Try keeping the original session file in most recent files menu list, despite current version auto-incremental backup mode is in effect. - Fixed non-zero clip offsets upon tempo/time-scale changes. - Some sympathy to extreme dark color (read black) schemes is now indulged on empty backgrounds. See also: http://www.rncbc.org/drupal/node/680 Enjoy && have (lots of) fun. -- rncbc aka Rui Nuno Capela rncbc(a)rncbc.org

10 years, 9 months

Music(?) made with Linux: Meeting Point

by Neil C Smith

Well, as well as improving the web presence for Praxis LIVE this week (see t'other thread), I've also recently built a website for Digital Prisoners. All our projects are created with Praxis LIVE on Linux. However, I thought I'd share this page and video of Meeting Point from earlier this year - an interactive projection that allow 2 people at opposite ends of a public square to dance "together". Audio and visuals are being processed live - a mix of generative and motion triggered effects. Input loops / samples are a mix of stuff. Mostly created and/or edited on Linux, a couple of things off FreeSound, and at least one loop was created a long time ago on an Acorn A5000 (now that's a computer! :-) ) http://www.digitalprisoners.co.uk/projects/meeting-point http://youtu.be/lXLmhCwWSNw Enjoy! Best wishes, Neil -- Neil C Smith Artist : Technologist : Adviser http://neilcsmith.net Praxis LIVE - open-source intermedia development - www.praxislive.org Digital Prisoners - interactive spaces and projections - www.digitalprisoners.co.uk OpenEye - the web, managed - www.openeye.info

10 years, 9 months

Announcing praxislive.org

by Neil C Smith

Hi All, I finally got around to giving Praxis LIVE its own home on the web this week. There's a lot more to come in the near future in terms of help and resources, but this should hopefully give a better overview of what the project's all about. www.praxislive.org Praxis LIVE is an open-source, graphical environment for rapid development of intermedia performance tools, projections and interactive spaces. This replaces and enhances the somewhat outdated information on the Google Code site. Downloads and code are still hosted there, though I'll be looking to host downloads elsewhere in the near future now Google has deprecated this. Thoughts and / or contributions to the further development of the project and its online resources very much appreciated. Thanks to whoever mentioned Praxis LIVE on the open-source musician podcast last month - your slight confusion over what it was for was one of a number of factors that prompted the development of this website! :-) Best wishes, Neil -- Neil C Smith Artist : Technologist : Adviser http://neilcsmith.net Praxis LIVE - open-source intermedia development - www.praxislive.org Digital Prisoners - interactive spaces and projections - www.digitalprisoners.co.uk OpenEye - the web, managed - www.openeye.info

10 years, 9 months

raspberry-qmidinet-synth headless

by Nicola

Hi all, now that i have some spare time to invest i was trying to control my RPI headless with my tablet (nexus 7 with android). I saw jeremy's video https://www.youtube.com/watch?v=Pycl9Oi1tv8&feature=c4-overview&list=UUby-h… (great job man!) that was so inspiring and i've tried to follow his steps. I was able to make it work but i miss only 1 piece to the chain... Is there any possibility to run qmidinet headless without the gui? I can't make a script at boot working in this way 'cause i disabled X on my rpi. Any suggestion? Thank you Nicola

10 years, 9 months

6 x MIDI in

by Fero Kiraly

Hi, maybe not a linux audio question but I try: I need 6 MIDI IN ports ( six separate instruments) connect to my system (presonus 1818vsl) is there some (cheap) solution ? thanx fero

10 years, 9 months

mtc over network

by Nacho -

Hi everybody. My first mail here. I have a question about send mtc between two different cities over network. Something like the osx rtp-midi for linux. I've heard that you can do it with jack, but I´m not sure if it´s only for a lan network. Just want to know if possible before starting. Thanks!

10 years, 9 months

Raspberry: problems with shell script launcher when booting

by Carlos sanchiavedraz

Hello, dear folks. I'm still (constantly) tweaking my raspberry here and there when I can. I have some configurations/sessions that run ok, Looper (jack+sooperlooper), Looper+Fx (jack+sooperlooper+rakarrack/guitarrix). But I'm still having some annoying problems that wanted to share with you: 1) Simple session script, Looper, runs quite well when launched (via ssh -X or from console) logged as PI user. When I run it as a boot/init script (simple launcher script placed in /etc/init.d and then installed with "update-rc.d launcherscript defaults 99"), almost in every first start there's crackles and noise and my loops sound distorted, even with clean guitar; if I restart then it goes well (2nd or 3d time). 2) Next step forward I added Rakarrack in charge of guitar FX routed to the Looper. First, it happens almost same thing as mentioned about noise. Well, I guess It should have something to do with the signal path and things connected to the same power supplier, so I'll have to reserve some time to debug and switch off things until I get a cleaner signal and get rid of the hum and crackles. But the main issue is that there's problems with Rakarrack not been able to start because several problems with not enough Jack ports and Jack and RT. I didn't have any of these problems before. I got to solve the problem with ports changing -p16 to -p32 when launching jack+sooperlooper (-p24 is enough for just Rakarrack). Then I made a launcher script LSB compliant (service script placed in /etc/init.d and then installed with "update-rc.d servicescript defaults", with LSB flags and functions for "start" and "stop", as a proper newer Debian service, and configured to launch last in boot phase) which then call the Jack-config+Rakarrack+Sooperlooper session launcher script. I can see on screen in the init messages this error: "JACK is running in realtime mode, but you are not allowed to use realtime schedule..." But I know RT is already configured, so I guessed it was something to do with the boot/init stage configuration and environment. I tried using "su" with several different parameters to run the launcher script as "pi" user, as It runs quite well when logged as this user (calling just the script and even with "sudo /etc/init.d/script start"). So, maybe you can't get RT in init phase on RaspberryPI and you can only when you get to the login prompt and everything is loaded and ready. But I think there's a "Puredata on Raspberry PI" project that runs some scripts in the init stage; and it seems that in order to get a headless FX+looper station, running some configuration+apps-launcher at boot time is an obvious choice. I'm sure something escapes me after so much try-error-code cicles. Maybe you have some ideas. Thanks as always. -- Carlos sanchiavedraz * Musix GNU+Linux http://www.musix.es

10 years, 9 months

Re: [LAU] mtc over network

by Len Ovens

On Tue, July 16, 2013 4:54 am, Julien Claassen wrote: > Hello Paul1 > Did you change it again or was theLAN thing only in either of the > twoJACK > versions? I definitely did want to try and we had to set up a VPN tunnel > to > use the JACK net driver. Maybe I'm just antiquated in my knowledge. At least one end has to have a "visible" IP. Physical distance of the two ends affects the latency, as do the switches/routers in the path. The lowest bandwidth link in the path determines the maximum bandwidth of information a netjack link deal with. Obviously MTC is low bandwidth, but MTC without some other information (either a midi or audio stream) is of limited value :) -- Len Ovens www.OvenWerks.net

10 years, 9 months

My second album is done!

by Gabbe Nord

Hello everyone! I'm very pleased to announce that my second album is finished and online! :D It's called "Ordinary Day Montage", and it consists of 8 tracks, and is a bit more electronic than last one. I prepared a page for this at my new website, http://zthmusic.se/Ordinary_Day_Montage , but my host is a little shaky, so it might not always work. So, if that link doesn't work, you can find the album at: Bandcamp http://zthmusic.bandcamp.com/album/ordinary-day-montage Soundcloud https://soundcloud.com/zthmusic/sets/ordinary-day-montage FLAC/OGG/MP3-formats for download at Piratebay: http://thepiratebay.sx/user/zthmusic/ I'm very excited to be finished and to have completed this. Everything was, as always, 100% made with Linux and Linux software. It's also licensed CC-BY-SA. I wrote a bit about the album and what I've used technically too at http://zthmusic.se/Ordinary_Day_Montage , if anyone wants to check that out! Anyway, thank you for taking your time to listen! I greatly appreciate it!

10 years, 9 months

[a bit OT] Vocal microphone

by Grekim Jennings

>Hello! > I need to get a vocal microphone. I've had this project several times >before, but now I'm decided. There are a couple of alternatives. there is the >Shure SM5x and there is the SE-220, if my memory doesn't betray me. Any more >suggestions on the topic? I want to pay around 100-200 EUR maximum. This >microphone will be meant solely for singing. No instruments to mic. > Warm regards and sorry for the OT again > Julien Hi Julien, I think it's the Audix OM-6 that I have here. It is nicely built and has a lot of clarity, maybe too much presence in some cases. Also, check out the Heil PR-20 which I think is a little more neutral sounding and less expensive. And the AKG C700 is a very good value. As with most mics, with a good voice it can sound great. Grekim

10 years, 9 months

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Linux-audio-user July 2013