Linux-audio-dev

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7535 discussions

[LAD] Music made with Linux: Airship - A 16bit Soundtrack Theme

by Nils

Hello list, I would like to share a piece I've just finished. The original blog entry is here, but for your convenience I'll include a copy into this mail. Feel free to use any channel you want if you would like to comment on it. http://www.nilsgey.de/2012/02/29/airship-theme/ Airship - A 16bit Soundtrack Theme direct download: http://www.nilsgey.de/uploads/NilsGey-AirshipTheme.mp3 I have finished my first just-for-fun composition since a very long time ago. It is a game-soundtrack like piece I named “Airship”. I can imagine this in a Japanese 90’s RPG from the SNES or Sega Genesis/MegaDrive era. Software used: Laborejo composition and midi generation, Fluidsynth for midi to wave rendering and Ardour for the fadeout :) . I used an .sf2 called Setzers SPC which I have downloaded here. I am not sure about the soundfonts legal status so I am careful and release the Airship Theme not as a free piece but just as: Listen to it freely, share and redistribute it but don’t use it in any work, derived or original, or as part of a game or video etc. Don’t do anything commercial with it and don’t change the mp3 tags. If you find a named, matching License to this description feel free to use that instead. I would be very happy if you leave a comment or click this blogs “Like” button. Greetings, Nils http://www.nilsgey.de http://www.laborejo.org

13 years, 11 months

Re: [LAD] audio on Raspberry PI

by Victor Lazzarini

If there is Linux and Alsa, we should just be able to cross-compile (or even compile on the Raspberry if there is gcc); I don't see many difficulties. It should be easier than android and iOS. I might see if I can get one to run Csound on. Regards Victor On 29 Feb 2012, at 10:46, James Harrison wrote: > I'm hoping that adding an ADC won't be too tricky, though it has USB so a USB sound card should work. For $25 an end, it'd make a lovely portable IP codec for broadcast with CELT and RTP... > > Cheap synth would be neat, though. Wonder how much stuff in the Linux audio world is ARM-compatible? > > Cheers, > James Harrison > > > On 29/02/2012 10:45, Victor Lazzarini wrote: >> Thanks, sounds good, I am thinking here: cheap synthesizer. >> >> Victor >> On 29 Feb 2012, at 10:40, James Harrison wrote: >> >>> Comes with a DAC, but no ADC as far as I can see. >>> >>> Cheers, >>> James Harrison >>> >>> >>> On 29/02/2012 10:30, Victor Lazzarini wrote: >>>> Does anyone know whether the Raspberry PI comes with a DAC/ADC? >>>> >>>> Dr Victor Lazzarini >>>> Senior Lecturer >>>> Dept. of Music >>>> NUI Maynooth Ireland >>>> tel.: +353 1 708 3545 >>>> Victor dot Lazzarini AT nuim dot ie >>>> >>>> >>>> >>>> _______________________________________________ >>>> Linux-audio-dev mailing list >>>> Linux-audio-dev(a)lists.linuxaudio.org >>>> http://lists.linuxaudio.org/listinfo/linux-audio-dev >> Dr Victor Lazzarini >> Senior Lecturer >> Dept. of Music >> NUI Maynooth Ireland >> tel.: +353 1 708 3545 >> Victor dot Lazzarini AT nuim dot ie >> >> >> >> _______________________________________________ >> Linux-audio-dev mailing list >> Linux-audio-dev(a)lists.linuxaudio.org >> http://lists.linuxaudio.org/listinfo/linux-audio-dev Dr Victor Lazzarini Senior Lecturer Dept. of Music NUI Maynooth Ireland tel.: +353 1 708 3545 Victor dot Lazzarini AT nuim dot ie

13 years, 11 months

[LAD] audio on Raspberry PI

by Victor Lazzarini

Does anyone know whether the Raspberry PI comes with a DAC/ADC? Dr Victor Lazzarini Senior Lecturer Dept. of Music NUI Maynooth Ireland tel.: +353 1 708 3545 Victor dot Lazzarini AT nuim dot ie

13 years, 11 months

[LAD] Ardour 3 : How to link automation to region ?

by Fons Adriaensen

See subject - I've been unable to find out ... TIA, -- FA Vor uns liegt ein weites Tal, die Sonne scheint - ein Glitzerstrahl.

13 years, 11 months

[LAD] Non Session Manager Distributed Session Demo

by J. Liles

Here's another video, this one demonstrating the fact that NSM can manage a single session with clients spread across multiple machines (nsmd must be running on each system). http://youtu.be/xzspJXbEoc0 I forgot to show that when you add a client via the GUI, it asks you which server to start it on. Otherwise, the behavior is identical to having a session on a single machine. If you just start up an NSM capable client on any of the machines participating in the session (with the appropriate environment variable set), then that client will join the session as normal. This distributed session feature is just a natural consequence of the architecture of NSM and doesn't add any complexity to either the client or server implementation (just a small amount to the session manager GUI). I'm getting pretty close to doing the release, but I still have a lot of documentation to write and update for the user interface changes. Enjoy!

13 years, 11 months

[LAD] question re: latency of native Linux VSTs

by Dave Phillips

Greetings, I notice that whenever I use any Juce-based native Linux VST plugin - fx or instrument - in Ardour3 the plugin produces dramatically more xruns than any LV2 or LADSPA plug. Does anyone else have that problem ? If so, can anything be done about it, apart from raising my latency settings ? Thanks, dp

13 years, 11 months

[LAD] Non Session Manager Preview

by J. Liles

Sometimes, I wonder why I even bother... First, recordmydesktop didn't work, so I had to film the screen with a video camera, then ffmpeg2theora took ages to transcode the video from MJPEG and added some annoying clicks to the audio track, then the new archive.org uploader didn't work, so I was stuck with using youtube.com, which refuses to display the video in HD. Alas, I am to learn again and again that the only way to have things done right is to do them yourself. On that note, I'd like to introduce to the wider audience a project that I started shortly after writing this: http://lists.linuxaudio.org/pipermail/linux-audio-dev/2008-May/021084.html ... post to the LAD list back in 2008. Well, I haven't been very active since then--well, such is life--but in the past couple of weeks I've spent some time developing the idea and I'd like to demonstrate it in the following video: http://www.youtube.com/watch?v=ui-gC_ZMeGM I'll be pushing my changes in the next week or two along with some other fixes and enhancements to the Non-* family. Those who have been following on #lad may have already seen draft versions of the NSM API. The final draft (version 1.0) will be posted to the LAD list soon also. Robust audio session management on Linux is now a solved problem. You're welcome ;-) Enjoy!

13 years, 11 months

[LAD] [ot] rme fireface: weird balanced output measurements

by Jörn Nettingsmeier

hi everyone! yesterday, i visited my friends' new studio, to help them shake out some bugs in the patch and fix a monitor problem. there i came across a really weird issue with the line outputs on two rme fireface 800s: we put a test tone out in logic (yeah, they run a mac shop), and i went to measure the outputs. in addition to really high fluctuations from one output to the next (with identical digital input signals), i measured huge differences in voltage on the hot and cold side, such as hot to ground: 2.00 V cold to ground: 1.82 V despite the fluctuations across several channels, this trend was pretty constant. so i figured, maybe this box has a problem with its negative voltage rail. they had another ff 800 in there, which we measured for comparison. same issue. i figured, maybe apple wrote an oscillator with a dc offset, so we applied a known-good test tone .wav file. same result. is my thinking flawed, or are rme really delivering such crappy output stages on such a pricey box? my multimeter is not a calibrated one, but it's in the 100+€ range, and i used AC true rms measurement mode. i understand my meter has a very high input impedance, and that's what line level connections should have, right? operating more or less open-loop, without significant currents flowing. or should i use a shunt resistor and measure across that? if so, what value is recommended? thanks for any insights, best, jörn

13 years, 12 months

[LAD] DrMr: a new lv2 sampler/drum machine plugin

by Nick Lanham

Hello all, I've written a new sampler/drum machine lv2 plugin called DrMr. You can find it here: https://github.com/nicklan/drmr It's main reason to exist is to give a way for lv2 hosts to have a built in drum synth that can save its entire state (i.e. no need to go out to external tools and no need to save extra state). DrMr currently supports the following: - Control via midi - Scan for and load hydrogen drum kits - Multi-layer hydrogen kits (will pick layer based on that sample's set gain) - Kit is set via an LV2 control - LV2 controls for gain on each sample - LV2 controls for pan on each sample - GTK ui that can select a kit and control gain/pan on each sample There's more info in the README.md which you can see if you click the above link. There are a couple of screenshots on the github wiki page. I hope people find it useful, and as it's rather new code, bug reports are of course very welcome. Cheers, Nick

13 years, 12 months

Re: [LAD] DrMr: a new lv2 sampler/drum machine plugin

by Alexandre Prokoudine

On Tue, Feb 14, 2012 at 5:49 PM, Nick Lanham wrote: > Firstly, yes, at some point I would like to have kit editing/creation > available from the GUI. This is non-trivial however, and a bit down the > road. > > To your second point, I agree that it's non-optimal to have to fire up > hydrogen to make minor changes to kits and the like. However, I still think > DrMr improves the situation, as it sits nicely in your host, saves all your > parameters, and doesn't require any external routing. Of course if you're > fine with setting up all the external routing and kit loading etc, you > should just avoid DrMr all together, hydrogen is more fully featured and > almost certainly more stable anyway, but the whole point of me writing DrMr > was that I got sick of having to set up both my host and hydrogen for every > track i wanted to open. Nooooooo, I actually quite like the idea of being able to JFD drums programming directly in a DAW :) The UI could do with quite a bit of love (it's really OK for an initial release), but DrMr is already a huge win for me. > But yes, kit customization is in the pipeline, although behind getting the > core solid and stable. What are the top priorities for you right now? Alexandre Prokoudine http://libregraphicsworld.org

14 years

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Linux-audio-dev