Linux-audio-user October 2011

linux-audio-user@lists.linuxaudio.org

130 participants
138 discussions

OT: Linux-audio-user Digest, Vol 56, Issue 23

by Ralf Mardorf

On Tue, 2011-10-18 at 22:56 +0000, linux-audio-user-request(a)lists.linuxaudio.org wrote: > Message: 14 > Date: Tue, 18 Oct 2011 20:56:40 +0200 > From: Philipp ?berbacher <hollunder(a)lavabit.com> > Subject: Re: [LAU] Top DSP plugins? > To: linux-audio-user <linux-audio-user(a)lists.linuxaudio.org> > Message-ID: <1318964116-sup-1443@eris> > Content-Type: text/plain; charset=UTF-8 > > I hope holborn and other will move their pages in time, because > berlios > will close down by the end of the year: > http://developer.berlios.de/forum/forum.php?forum_id=37450 Yep, financing of development ins't that wanted by the Germans today, we prefer financing of faild banks, Greek fat cats and others from Federal Chancellor Mrs. Merkel blackguard friends. They close one school after the other in Germany, that there isn't money for a webpage from Frauenhofer isn't surprising. As long as the folks can watch soccer they don't care. Education isn't wanted in the land of poets and thinkers. Consuming is wanted. They ask idiots why they spend the night in front of the Apple store to get a iShit 4s and the idiots had no arguments but consuming. Fortunately Steve Jobs died this month, hopefully Bill Gates will follow ... and Angela Merkel and ... Worship mammon! Ralf

14 years

Re: [LAU] [Ardour-Users] MIDI workflow

by Edward Diehl

To fred - thanks for the detailed suggestions on how to improve my audio performance and lower my Ardour DSP usage. I'll try these suggestions out and report back. I think AVLinux is already set up with a lot of these suggestions but I'll double check.

14 years

Re: [LAU] Top DSP plugins?

by Ralf Mardorf

> Message: 9 > Date: Tue, 18 Oct 2011 19:08:16 +0200 > From: fred <f.rech(a)yahoo.fr> > Subject: Re: [LAU] Top DSP plugins? > To: linux-audio-user(a)lists.linuxaudio.org > Message-ID: <4E9DB280.7050806(a)yahoo.fr> > Content-Type: text/plain; charset=ISO-8859-1; format=flowed > http://web.forret.com/tools/bpm_tempo.asp?bpm=100&beat=4&base=4 > 60000/BPM=secs for 1/4 For example 60000/120BPM=500ms for 1/4 500ms/3=166.666666667ms for 1/8 triplet aka 1/12 500ms*4=2secs for a bar My favourite app is gcalctool.

14 years

Some little tunes

by Florian Paul Schmidt

Hi, I just recorded two song ideas using ardour3. They are just three tracks each and consist of only first takes ;D So bear that in mind: A tune that's a little bit older, but I only got to recording it just now: http://shirkhan.dyndns.org/~tapas/violao_arvensis.mp3 This one was inspired by a lazy sunday afternoon after my return from a two weeks vacation in Istanbul, so it has a bit of Huesuen in it: http://shirkhan.dyndns.org/~tapas/phosphorus.mp3 Have fun, Flo

14 years

Re: [LAU] [Ardour-Users] MIDI workflow

by fred

Le 17/10/2011 21:43, Edward Diehl a écrit : > I'm running AVLinux5 with kernel 3.0.6-avl-4 which is not RT but has the > PREEMPT patch (not really sure of the difference). My general > understanding is that with recent kernels the RT patch is not really > needed. However, I would think the RT patch would mainly affect latency > rather than CPU usage. Also, AVLinux has the rtirq script. I am a bit > puzzled by DSP usage, too. > Hi Edward, sorry for the long book, it may help ? http://www.restivo.org/blog/archives/sanity-checking-rtirqs upthere a link that you may like, to dig, and down some useful commands, they are the kind of 'howto-reminder' made for the "ok, let's format /, I f***** it up again" man than I am !! For your DSP excessive use, you may pay attention to : -never use PulseAudio, have only ALSA (and Jack)))) -check if Jack settings and IRQ prios are ok -killall services and daemons that you don't use for making music (web, print, automount, bluetooth...) -not share IRQ with video -record audio (Ardour session in fact) in another HD than programs if you can -use a light weight WM (Gnome or Kde are too much "power eaters") Let me know, I think about trying AVLinux soon (next f***** up near I feel))) and like to read your advice on it with some settings done !! HTH, Good luck, Fred # commands # ulimit -l will tell you how much memory you can lock ulimit -r will tell you at what realtime priority you can run software uname -r will tell which kernel is on use lspci list the chips lsmod list modules loaded at boot dmesg read the bootlog lsi -v|grep audio list audio chipset ps -eo cmd,rtprio will list all the realtime priorities for all your tasks # maybe too much services started ? ls /etc/rc2.d list daemons started at boot # 2.6.29-rt1 = good kernel for P4! # Maybe you share an IRQ with video ?? ps -eo cmd,rtprio will list all the realtime priorities for all your tasks cat /proc/asound/cards will show the IRQs for your cards cat /proc/interrupts list IRQs # RT prio goes like this : 99 watchdog 90 sound card 80 ALSA 70 Jack 60 Ardour # at the end of /etc/security/limits.conf (depending your distro, sometimes elsewhere or autogenerate when install Jack) add the following (with sudo gedit ie) @audio - rtprio 99 @audio - memlock unlimited #@audio - nice 10 #nice value has nothing to do with real time or latency, forget it ! # jack settings I record tracks in Ardour with these Jack settings, and it was fine : -R -P89 -p128 -dalsa -dhw:0 -r48000 -p128 -n3 -D -Pplughw:0 -i2 -o2 -Xseq Then I try to mix with many plugins, and due to the "formidable" PC I use, Ardour don't want to do anything... So, thanks Ralf, I fixed QJackCtrl settings to : -R -P89 -p128 -dalsa -dhw:0 -r48000 -p512 -n2 -D -Pplughw:0 -i2 -o2 # you can record several settings in QJackCtl...

14 years

audio/video composition

by Jeremiah Benham

This is composition I wrote for my Electro-Acoustic Music class. This was created with csound, festival, gimp, xmorph, cinelerra, and broadcast 2000. I created this back in 2000-2002. I can't remember exactly when. http://www.youtube.com/watch?v=Ra1ypiJEZjg&feature=feedu Jeremiah

14 years

Fwd: A new track made in Neil tracker

by Vytautas Jancauskas

---------- Forwarded message ---------- From: Vytautas Jancauskas <unaudio(a)gmail.com> Date: Mon, Oct 17, 2011 at 9:09 PM Subject: Re: [LAU] A new track made in Neil tracker To: Julien Claassen <julien(a)mail.upb.de> Thanks man. Drum effects are done using a combination of tracker retrigger command, a special effect I made for neil called stutter and feeding short chunks of drum line to the delay and reverb respectively. I'm glad you liked the track. On Mon, Oct 17, 2011 at 9:04 PM, Julien Claassen <julien(a)mail.upb.de> wrote: > Hello Vytautas! > I've just listened to your track. I like the overall atmosphere and basic > harmonies of the piece. > I do like the drums. The bass drum has a nice kick and oomph to it. The > clap sound took some getting used to, but it too has something. I wonder, > how do you do all those drum effects. I suspect, that Neil Tracker and > Renoise - as used by Atte - have similar approaches. Is it partly based on > turntable effects? > Well two minor criticisms: The drum section before the intermission around > 2:15min sounds a little too busy in a repetetive way. It's so out of > character for the rest of the piece. But it didn't do any harm to my > listening experience. > the other minor issue is one of melody. Around 1:38min you bring in a > mixture of arpeggio/melody sound on the right side. Between the chord > movements it depicts a melody, which would have been even more memorable, if > you hadn't gone up so high, after the lowest melodic note. It's probably not > very clearly expressed. But that too didn't bother me much. I just noticed > and thought it would have been nice to have a more distinctively melodic > layer to the mix at that point. > It's a nice electronic track. Well balanced between harmony, melody and > rhythmic breakouts. I do like it! > Warm regards > Julien > > =-=-=-=-=-=-=-=-=-=-=-=- > Such Is Life: Very Intensely Adorable; > Free And Jubilating Amazement Revels, Dancing On - FLOWERS! > > ====== Find my music at ====== > http://juliencoder.de/nama/**music.html<http://juliencoder.de/nama/music.html> > ..............................**....... > "If you live to be 100, I hope I live to be 100 minus 1 day, > so I never have to live without you." (Winnie the Pooh) > -- "Cheshire-Puss," she began, "would you tell me, please, which way I ought to go from here?" "That depends a good deal on where you want to get to," said the Cat. "I don't care much where--" said Alice. "Then it doesn't matter which way you go," said the Cat. -- "Cheshire-Puss," she began, "would you tell me, please, which way I ought to go from here?" "That depends a good deal on where you want to get to," said the Cat. "I don't care much where--" said Alice. "Then it doesn't matter which way you go," said the Cat.

14 years

Re: [LAU] integrating linux+osx boxes?

by shane richards

> ----- Original Message ----- > From: Robin Gareus > Sent: 10/17/11 09:43 AM > To: shane richards > > Using netjack on the mac ... how? > > jack2's built-in 'netone' driver (aka netjack2) works OOTB. > > > Is there a gui? > > yes and no. JackPilot's preferences do not include the netone/netjack > setup. I'm running 0.87 but I don't think this has changed in 0.88. > > The ardour2 "Audio Setup" dialog does include it but it fails with > "invalid parameter" messages here. Launching `jackd -d netone` manually > works just fine. Thankyou for the tip. > shell-scripts can be copied easily over to other systems or OS. I don't > know if you can migrate [jack-]sessions to/from OSX. It seems that you can't - even between different session hosts on linux. :( > Personally I prefer a shell-script in the work-folder to a session-dir > in my $HOME, YMMV. Couldn't agree more. I store everything related to a project together. Sometimes even binaries and plugins. You're mad if you don't. "Stark-raving-lunatic-asking-to-lose-data-at-the-most-inconvenient-moment". Been there. Thanks for the detailed reponse, btw. I figured qtractor wouldn't be there, but that leaves me with the problem of Rosegarden. Or at least a cross-platform notation/MIDI/sequencing headache. I'll ask on the rg list. Shane Richards Producer, Composer, Multi-instrumentalist Josh Music shanerich(a)email.com www.josh.com.co www.shanerichardsmusic.com

14 years

Nothing really new, but...

by Julien Claassen

Greetings! I have updated my music site again, now to include all the lyrics to the few songs, that have any. It occasionally came up and I had the time and thought of it. :-) http://juliencoder.de/nama/music.html They might at some points not be 100% accurate, since I sometimes discovered while singing, that a few phrases sounded better slightly changed. It can't be much though. Just thought I'd let you know. Kind regards Julien =-=-=-=-=-=-=-=-=-=-=-=- Such Is Life: Very Intensely Adorable; Free And Jubilating Amazement Revels, Dancing On - FLOWERS! ====== Find my music at ====== http://juliencoder.de/nama/music.html ..................................... "If you live to be 100, I hope I live to be 100 minus 1 day, so I never have to live without you." (Winnie the Pooh)

14 years

Re: [LAU] integrating linux+osx boxes?

by shane richards

> ----- Original Message ----- > From: Dan MacDonald > Sent: 10/17/11 02:22 AM > > Note that the OSX version of A2 doesn't support LV2 plugins! Important detail. Thanks. > > Shane Richards > > Producer, Composer, Multi-instrumentalist > > Josh Music > > shanerich(a)email.com > > www.josh.com.co > > www.shanerichardsmusic.com

14 years

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Linux-audio-user October 2011