Linux-audio-user September 2009

linux-audio-user@lists.linuxaudio.org

143 participants
148 discussions

MTC syncing Ardour to hardware sequencer as a slave

by Brent Busby

This is my first attempt at getting Ardour to receive MTC. I am syncing it to an Akai MPC2000. I have set 160bpm on both ends, with Ardour set to receive MTC and MMC, and have left fps set to 30. Sync to MTC is on, and QJackCtl has been setup to connect Ardour's virtual port with the USB MIDI port that the MTC is coming in through. The MPC2000 is setup to output MTC and MMC, and its frame rate is set to 30fps. If it completely didn't work, that would be easier to troubleshoot than what it is doing: It works only when seeking forward and back with the transport controls, but not when I press record or play on the MPC2000. Very strange. I can move forward and back a bar at a time with the [<] and [>] buttons on the Akai, and Ardour will move along perfectly in sync on each keypress, keeping to the same point in the timeline. If I make the Akai "Play From Start", it will even jump back to the beginning. But under no circumstances I have been able to find will it actually play. It knows that a "Play From Start" command requires jumping to the beginning, but then that's all it does. If I arm tracks to record and set the system record light flashing, pressing play on the Akai does not make Ardour start recording; it just sits there waiting while the Akai plays. I'm probably missing something dumb here. Is there anything that could cause Ardour to track forward and backward seeks through the timeline but not start and stop? It sounds like it's not getting MMC to me, except it should be -- it's enabled at both ends. I'm puzzled. -- + Brent A. Busby + "We've all heard that a million monkeys + UNIX Systems Admin + banging on a million typewriters will + University of Chicago + eventually reproduce the entire works of + Physical Sciences Div. + Shakespeare. Now, thanks to the Internet, + James Franck Institute + we know this is not true." -Robert Wilensky

14 years, 6 months

Yoshimi oddity

by Folderol

The attached patch (Sharp Synth)behaves very differently on yoshimi to zyn. The notes C1 to F1 and C2 to F2 are extremely dull sounding, and the overall level is higher. I can't really pin it down, but my suspicion is that yoshimi is ignoring the resonance setting and applying it's own strange one. -- Will J Godfrey http://www.musically.me.uk

14 years, 6 months

3 simple questions about Ardour

by Giorgio

Hi,i'm an Ardour user and i have three simple questions: 1. Is it possible to join multiple regions into one? 2. Is there the possibility to create an automation on the send level? 3. Is it possible to move 2 or more points of an automation together (multiple selection and then move)? Thank you G

14 years, 6 months

[ANN] Virtual MIDI Piano Keyboard 0.3.0 released

by Pedro Lopez-Cabanillas

Virtual MIDI Piano Keyboard is a MIDI events generator and receiver. It doesn't produce any sound by itself, but can be used to drive a MIDI synthesizer (either hardware or software, internal or external). You can use the computer's keyboard to play MIDI notes, and also the mouse. You can use the Virtual MIDI Piano Keyboard to display the played MIDI notes from another instrument or MIDI file player. Changelog 2009-09-27 0.3.0 * merged vpiano 0.8 widget * implemented RFE #2106022: better looking keys using SVG graphics. * implemented RFE #2848623: raw keyboard support, raw keyboard map editor. * implemented RFE #2790324: extra controls tool bar: new extra controllers (knobs and on/off buttons) with customizable labels which can be assigned to arbitrary MIDI controllers. * German translation, by Andreas Steinel Copyright (C) 2008-2009, Pedro Lopez-Cabanillas License: GPL v3 More info http://vmpk.sourceforge.net Downloads http://sourceforge.net/projects/vmpk/files Regards, Pedro

14 years, 6 months

The new Drummer's Gigsaw: first edition.

by Philippe Hezaine

Hi all, Here is the new Puzzle du Batteur-The Drummer's Gigsaw. Published under GPLv3 or later Licence, at this time it's only available for Linux. Forget the old versions and first of all read the README. Feedbacks, suggestions, criticisms are welcome, of course. Download the tar.bz2 archive here: http://philippe.hezaine.free.fr/spip.php?article46 Have fun. -- Phil. Superbonus-Project (Site principal) <http://superbonus.project.free.fr> Superbonus-Project (Plate-forme d'échange): <http://philippe.hezaine.free.fr>

14 years, 6 months

Musical Score Editors - some advice for beginners

by Michael Roberts

Thought I'd share my experience in case it helps anyone who is new to this. I'm an amateur musician who's used Linux for everyday computing for about 10 years, and recently decided to use my laptop as a tool for composition. I'm no hacker but reasonably competent at configuring Linux apps. I use a Toshiba 64-bit laptop running Ubuntu 9.04 (2.6.28-3-rt kernel). Sound and video hardware in this machine is the usual Intel OEM stuff - nothing special. I decided to try out a number of music applications but had a lot of problems installing/configuring the likes of Rosegarden, MuseScore, and a few others, and setting up the jack server, minimising latency etc. I tried all the solutions posted in relevant lists and forums but still found problems and eventually got fed up - I'd rather spend the time writing music. Then I found NtEd. I'm surprised there is little mention of it in the archives here. I found it to be the only serious composition tool that installed and ran without any problems, and very easy to use. If you want to make use of midi, the latest version ( 1.8.0 ) supports creating a score from playing a midi keyboard. The developer's website and documentation is comprehensive and well written. So if you are more interested in composing music than tweaking Linux music apps, I recommend you check out NtEd. Michael

14 years, 6 months

More Zyn Goodness

by Folderol

I might not have much clue about programming, but I have had a lot of fun stress-testing zyn and friends. This has had the side effect of prodding me to create some more voice patches, and convert an old tune of mine to entirely Zyn voicing - it had been a mixture of hardware synths and Zyn. The latest version of the tune is at: http://www.musically.me.uk/music/Ghost_Train.ogg http://www.musically.me.uk/music/Ghost_Train.mp3 The very first sound you hear is my new 'Metal Drips' and the lead is 'Super Square'. There is also 'Percussion Organ' but it's mixed with another sound so it's not too discernable. All three of these are attached, and as usual, my entire collection (with some other new goddies) is at: http://www.musically.me.uk/Collection.zip -- Will J Godfrey http://www.musically.me.uk

14 years, 6 months

Re: [LAU] naspro make error

by rosea grammostola

Stefano D'Angelo wrote: > 2009/9/26 rosea grammostola <rosea.grammostola(a)gmail.com>: > >> Stefano D'Angelo wrote: >> >>> 2009/9/26 rosea grammostola <rosea.grammostola(a)gmail.com>: >>> >>> >>>> Stefano D'Angelo wrote: >>>> >>>> >>>>>> It doesn't seems to work here: >>>>>> >>>>>> zynjacku# ./zynspect.py|grep ladspa|wc -l >>>>>> 0 >>>>>> >>>>>> I have ladspa plugins installed >>>>>> >>>>>> >>>>>> >>>>> 1. Make sure that <path-to-bridges-bundle> is included in your >>>>> LV2_PATH environment variable - if you just did make, make install, >>>>> LV2_PATH should probably be set like this: >>>>> >>>>> export LV2_PATH="/usr/lib/lv2:/usr/local/lib/lv2" >>>>> >>>>> 2. Make sure that DSSI_PATH and LADSPA_PATH are set to the >>>>> directiories containing your LADSPA and/or DSSI plugins. On my machine >>>>> they are set like this: >>>>> >>>>> export LADSPA_PATH="/usr/lib/ladspa:/usr/local/lib/ladspa" >>>>> export DSSI_PATH="/usr/lib/dssi:/usr/local/lib/dssi" >>>>> >>>>> 2.bis. (optional) If you want categorization of LADSPA plugins, also >>>>> set LADSPA_RDF_PATH to the directories containing RDF data files for >>>>> LADSPA plugins. On my machine: >>>>> >>>>> export >>>>> LADSPA_RDF_PATH="/usr/share/ladspa/rdf:/usr/local/share/ladspa/rdf" >>>>> >>>>> 3. Enjoy ;-) >>>>> >>>>> P.S.: Hexter and WhySynth DSSI plugins do not work yet (Hexter is not >>>>> even listed, WhySynth produces no output)... this is something I am >>>>> still working on... everything else should be just fine. >>>>> >>>>> Stefano >>>>> >>>>> >>>>> >>>>> >>>> Still doesn't work. I've installed core and bridges- by: $make, #make >>>> install >>>> >>>> Exported the paths, but didn't solve it. >>>> >>>> >>> Strange... Are you using the current git version of zynjacku or version 5? >>> >> git version >> > > I know the makefiles are very odd now, try to rebuild from a clean tree... > > I'm coming on IRC now, anyway. > Thanks for your help Besides the missing headers, it was a zynjacku build problem (my fault) \r

14 years, 6 months

Auto-Wah and Clav... not quite

by Ken Restivo

For several years I've lusted away over the Clavinet-through-Auto-Wah sound: the Stevie Wonder sound (also used notably by Herbie Hancock, Medeski, Martin and Wood, and others). The problem is that either the LADSPA auto-wah plugin doesn't quite cut it, or the Clav soundfont I found on Hammersound several years ago doesn't have enough dynamic range to really make the thing "wah" in any noticeable way. Am I doing something wrong here, or is the plugin not quite the best implementation, and if so, are there any better ones? Likewise with Clavinet soundfonts too. -ken

14 years, 6 months

Re: [LAU] naspro make error

by rosea grammostola

Stefano D'Angelo wrote: >> >> It doesn't seems to work here: >> >> zynjacku# ./zynspect.py|grep ladspa|wc -l >> 0 >> >> I have ladspa plugins installed >> > > 1. Make sure that <path-to-bridges-bundle> is included in your > LV2_PATH environment variable - if you just did make, make install, > LV2_PATH should probably be set like this: > > export LV2_PATH="/usr/lib/lv2:/usr/local/lib/lv2" > > 2. Make sure that DSSI_PATH and LADSPA_PATH are set to the > directiories containing your LADSPA and/or DSSI plugins. On my machine > they are set like this: > > export LADSPA_PATH="/usr/lib/ladspa:/usr/local/lib/ladspa" > export DSSI_PATH="/usr/lib/dssi:/usr/local/lib/dssi" > > 2.bis. (optional) If you want categorization of LADSPA plugins, also > set LADSPA_RDF_PATH to the directories containing RDF data files for > LADSPA plugins. On my machine: > > export LADSPA_RDF_PATH="/usr/share/ladspa/rdf:/usr/local/share/ladspa/rdf" > > 3. Enjoy ;-) > > P.S.: Hexter and WhySynth DSSI plugins do not work yet (Hexter is not > even listed, WhySynth produces no output)... this is something I am > still working on... everything else should be just fine. > > Stefano > > Still doesn't work. I've installed core and bridges- by: $make, #make install Exported the paths, but didn't solve it. \r

14 years, 6 months

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Linux-audio-user September 2009