Linux-audio-user December 2005

linux-audio-user@lists.linuxaudio.org

174 participants
145 discussions

[linux-audio-user] midi-through vs virmidi

by Atte André Jensen

Hi I'd like to route all keyboards into one alsa device and then make csound read from there. I used to use virmidi for that, but unfortunately that's unavailable under the demudi 2.6.12-3-multimedia-686 kernel. So I tried using midithrough for the same purpose and although I only have one keyboard with me it seems to work. So my questions are: 1) Can I expect to reliably mix alsa clients by routing them to the midi-though client and reading from it's output? 2) Is there a cleaner way of doing this? 3) What's the conceptual difference between virmidi and midi-through? Thanks in advance for any response... -- peace, love & harmony Atte http://www.atte.dk

18 years, 4 months

[linux-audio-user] kernel - using rtlimits, realtime_lsm

by Josh Lawrence

Hello all, I'm a bit over my head here, so please be gentle :) I've been working with Ubuntu 5.10 and trying to use it as an audio machine. I have been learning about different approaches to getting a multimedia kernel (low latency, etc.). In reading around the web, I see that there are three general approaches: 1. Build your own kernel from scratch - too complicated for me at this time 2. Use the realtime_lsm module on an existing kernel - I've tried this, but I read it's no longer supported in the kernel because of #3... 3. Use rtlimits, which is already a part of the default kernel. Last night I downloaded the set_rtlimits program and was able to get jackd running with real time capabilities. I haven't done any real-world work yet, so I don't know if my efforts were truly successful. Here are my questions: 1. Is rtlimits all that I need for audio work? It seems way too simple. I remember that people using 2.4 kernels had at least two patches that had to be applied before the kernel was suitable for audio work. If I use rtlimits, do I still need to build a kernel with, for instance, the ck patches for a preemptable kernel? 2. Is anyone using rtlimits instead of realtime_lsm? Is there any benefit to using one over the other, in terms of real-world audio work? 3. Should I just break down and install DeMudi? :) I hope my questions make sense. Please feel free to correct any errors in my logic here, that is exactly what I am looking for - to learn how to do things myself the right way. Thanks! Josh -- Josh Lawrence http://www.hardbop200.com

18 years, 4 months

Re: [linux-audio-user] FOLKS, PAY ATTENTION TO NOTEEDIT, the score editor!

by eviltwin69＠cableone.net

On Mon, 19 Dec 2005 20:31 , Sean Edwards <cybersean3000(a)yahoo.com> sent: >This may be anti-open, but here it goes. I think if >you want to copyright a piece of music in the U.S.A, >it needs to be in standard music notation. This >requirement may be a Library of Congress requirement, >but I am not sure. > Sorry, but this is incorrect. Since 1998 any piece of music that has been published (this is a very loose term which includes putting it on a CD and handing it to a friend) is automatically copyrighted. You may register this copyright with the US Copyright Office but this is not required. If you do wish to register the copyright all you need is a cassette tape and a copy of the lyrics (if any). Jan

18 years, 4 months

[linux-audio-user] A bit of homemade music

by Steve D

No fancy stuff, just a short trifle, a piano piece recorded into Ardour, run through Jamin, exported by Ardour, opened in Rezound, LADSPA TAP auto-panner plugin applied, saved, encoded into OGG-Vorbis format by oggenc, OGG file tagged with easytag, uploaded with gftp. Simple, educational and fun! ;-) http://www.xscd.com/pub/music/audio/ogg/arabesque1.ogg Regarding the recent discussion about NoteEdit and music notation in general, Linux/*BSD and Windows have the best notation editor in the world, in my opinion, in Lilypond. And it's free (although financially sponsored in part by various of its grateful users). Ardour and Lilypond are both great programs. And so are Rezound, Audacity, qjactctl, Jamin, Rosegarden4--the list of great audio and MIDI programs for Linux users is long and staggering in its richness. -Steve Doonan, New Mexico, US -- ---------------------------------------------------------------- History from a 10 year old: "Charles Darwin was a naturalist. He wrote the Organ of the Species. It was very long people got upset about it and had trials to see if it was really true. He sort of said God's days were not just 24 hours but without watches who knew anyway? I don't get it." ----------------------------------------------------------------

18 years, 4 months

[linux-audio-user] Proof of the Pudding [New Music]

by tim hall

I'm very pleased to announce the release of "Flutter", best described as a MIDI Tone Poem. It's the piece I have used to test out and learn the capabilities of Rosegarden, Ardour and various other applications. It uses fairly standard soundfonts and a couple of custom voices from my external D10. The whole piece runs to 28:00 minutes, I would really encourage people to listen to the whole thing in order, as that was how it was intended. That said it's all released under CC-by-sa-2.5 so do as you will with it. :) Direct links: http://www.archive.org/download/Flutter/flutter0_flap.ogg http://www.archive.org/download/Flutter/flutter1_fluke.ogg http://www.archive.org/download/Flutter/flutter2_fidget.ogg http://www.archive.org/download/Flutter/flutter3_fplusf--fplusf.ogg http://www.archive.org/download/Flutter/flutter4_flubber.ogg http://www.archive.org/download/Flutter/flutter5_flounder.ogg http://www.archive.org/download/Flutter/flutter6_fly.ogg Web: http://www.archive.org/audio/audio-details-db.php?collection=opensource_aud… http://muzik.agnula.org/view.php?search=any&view=search&text=Flutter Thanks to everyone. Have fun! -- cheers, tim hall http://glastonburymusic.org.uk/tim

18 years, 4 months

[linux-audio-user] Re: extract and mix

by LinuxMedia

> Thanks Rocco, > That's close to what Jeremy mentioned over on the ecasound > list. I asked him, and I'll ask here: do you know who to find > the closest zero crossing? in the extracted "from" file? That > would seem to be a necessary step to prevent clicks. > brad I'm not familiar with the concept of a "zero crossing". Did you want to explain further? Rocco

18 years, 4 months

Re: [linux-audio-user] Favorite way to use Jamin?

by Sampo Savolainen

Quoting Lee Revell <rlrevell(a)joe-job.com>: > No released version of Audacity supports JACK, last time I checked you > need the CVS version. As far as I know, Audacity uses portaudio for routing audio to/from audacity. This means that Audacity will automatically support JACK if it's compiled against a proper version of portaudio. The problem is that the current stable release V18.1 doesn't support JACK. So you need to get the V19 development version. So yes, Audacity doesn't support JACK. :) .. But it does use JACK as long as you have built it againsta a newer-than-stable version of portaudio. Sampo

18 years, 4 months

Re: [linux-audio-user] CLI vs. GUI and other Linux sound issues

by philicorda

> From: Greg Wilder <greg(a)gregwilder.com> > Subject: Re: [linux-audio-user] CLI vs. GUI and other Linux sound > issues > To: linux-audio-user(a)music.columbia.edu > Message-ID: <200512211101.34073.greg(a)gregwilder.com> > Content-Type: text/plain; charset="utf-8" > > On Wednesday 21 December 2005 10:09, Dave Phillips wrote: <snip> > > > I believe the primary reasons more musicians don't use Linux have to do > > with at least these conditions: > > > > 1. The perpetuation of outmoded perceptions re: usability and interfaces. Most people are happy with the DAW they are using, if only because it's what they know. People rarely change DAWs. Trying to get a Logic user to switch to Cubase is virtually impossible, yet alone getting them to use a different OS. Also, there could be years worth of work in a propriatory format that can only be read in a particular version of a DAW running under a particular version of the OS. I've had people who are used to recording with computers pick up Ardour in a few minutes. I don't know if the same people could install a Linux distro and Ardour and whatever softsynths unassisted though. > > 2. The lack of wide hardware manufacturer support. > > 3. The reticence of the major music journals to cover the growing > > Linux audio scene. Sound on Sound has been pretty good. There are little bits almost every month, if not about Linux then about Jackd on OSX. Other music magazines seem to consist of cut and pastes from web pages and advertisements. > > 4. The lack of serious attention given Linux audio from within the > > larger Linux community itself. > > 5. No-one has released a hit created with Linux audio tools. Just you wait. :))) > > While I agree with points 1-4, I think there needs to be a bit of > clarification added to point #5. > > Hundreds (probably more like thousands) of commercial releases involve > GNU/Linux audio tools. I know this because I have contributed dozens myself > (national television and radio spots, theatrical scores, commercial CD > releases etc.). But how would anyone know which tools I've used? I try to give credit to software I've used in the sleeve notes if possible. The last one I recorded ('I bless the day I found you' on Boobytrap records) has thanks to: "Linus, Paul Davis, JLC, SWH and anyone else involved in Linux audio, Charlie Steinberg". I still work in a weird mishmash CubaseSX mixed with Linux stuff. Mostly Cubase for work. For telly and video work I've used Ardour sometimes, though sleeve notes are irrelevent there, and no one I was recording has even commented on what DAW I was using.

18 years, 4 months

[linux-audio-user] Reminder: LAC2006 Call For Papers/Music/Demos

by Frank Neumann

Hi list(s), just a short reminder: The Call for Papers, Call for Music etc. for the 4th International Linux Audio Conference (LAC2006) is still running until January 8th, 2006. That means for those of you who drive home for Christmas like me - use the time wisely :-). Write a paper, compose a piece, think of a software demo - and submit your entry in time. See all the details at: http://lac.zkm.de Hoping to hear from you (and then see you) soon, Goetz Dipper & Frank Neumann LAC2006 Organization

18 years, 4 months

[linux-audio-user] Re: recording from jack

by Kjetil S. Matheussen

Atte Andr? Jensen: > > Hi > > I have some patches in om that I'd like to sample into specimen. Since > om runs under jack I need a simple program that'll record and works with > jack. I know of only ardour, but I never used that program and it seems > like a bit of overkill installing it and figuring it out just to perform > this trivial task. Which other programs will do the job? > jack_capture is the program you are looking for: [kjetil@ttleush kjetil]$ jack_capture Recording! Press <RETURN> to stop it. disk thread finished [kjetil@ttleush kjetil]$ http://www.notam02.no/arkiv/src/ Its based on jackrec (and a little bit of timemachine), but is made to be as simple as possible to use. --

18 years, 4 months

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Linux-audio-user December 2005