Linux-audio-user January 2012

linux-audio-user@lists.linuxaudio.org

133 participants
123 discussions

scheduled server downtime - 10/Jan/12 - linuxaudio.org

by Robin Gareus

Hi all, As you may or may not have noticed, linuxaudio.org was rebooted today 15:06 UTC. The server now features shiny (faster) new virtual HDDs (with backups and everything..). Sponsored by the Virginia Tech Department of Music and DISIS. Cheer a loud "Hip Hip,..." to Ico, who made it possible in the first place and send Kudos to Brian Maloney from the vt.edu tech dept for outstanding excellent GNU/Linux support! All systems go. robin

12 years, 4 months

Fwd: sndfile-waveform PNG generator ?

by Vytautas Jancauskas

---------- Forwarded message ---------- From: Vytautas Jancauskas <unaudio(a)gmail.com> Date: Tue, Jan 10, 2012 at 3:59 PM Subject: Re: [LAU] sndfile-waveform PNG generator ? To: Robin Gareus <robin(a)gareus.org> It's fairly trivial to write one your own with python using scipy. Should be in the ballpark of 20 lines or so. On Tue, Jan 10, 2012 at 2:47 PM, Robin Gareus <robin(a)gareus.org> wrote: > Hi *, > > Is there a command-line tool akin to `sndfile-spectrogram` that > generates an image (preferably PNG) of an audio wave-form? > > I found endless GUI apps, but command-line tools are scarce. > > TIA > robin > _______________________________________________ > Linux-audio-user mailing list > Linux-audio-user(a)lists.linuxaudio.org > http://lists.linuxaudio.org/listinfo/linux-audio-user > -- "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.

12 years, 4 months

Job opening at HoerTech, Oldenburg, Germany

by Giso Grimm

Dear List, I am forwarding this open position, since people on this list might be interested. Giso -------------------- The Center of Competence for Hearing Aid System Technology – HoerTech gGmbH – is happy to announce a full-time job opening to expand its research and development team at the earliest possible date. HoerTech is a leading non-profit research institute in the field of audiological and acoustical developments related to hearing systems. For a national research project, we are seeking a qualified and motivated RESEARCH ASSOCIATE (f/m) with established experience in scientific research in either audio signal processing, physics, communications engineering, or similar. The position will be concerned with the further development of a software platform for hearing aid algorithms ("Master Hearing Aid") and the development of novel hearing aid algorithms. Another focus can be the co-development of auditory models for perceptual speech and audio quality estimation. The opportunity to undertake a doctoral research at the Oldenburg University is provided. For details please visit www.hoertech.de/cgi-bin/wPermission.cgi?file=/web_en/hoertech/job_1.shtml

12 years, 4 months

sndfile-waveform PNG generator ?

by Robin Gareus

Hi *, Is there a command-line tool akin to `sndfile-spectrogram` that generates an image (preferably PNG) of an audio wave-form? I found endless GUI apps, but command-line tools are scarce. TIA robin

12 years, 4 months

New Avantgarde Music - or just more Prog?

by Julien Claassen

Hello everyone! I've just completed my latest piece and it has reached its intended audience, so I'm ready to post it here. It's called Raw Magic: http://juliencoder.de/nama/raw_magic.ogg http://juliencoder.de/nama/raw_magic.mp3 And you can find lyrics here: http://juliencoder.de/nama/raw_magic.html Or of course visit the music page at: http://juliencoder.de/nama/music.html This time I'd like to utter my heartfelt thanks to Joy Bausch, for guitars. A nice job! I'd like to thank S. Massy, Gabbe Nord and the mysterious Mr. Bennett for being my second pair (and third and fourth :-) - though not necessarily in that order) of ears. Without you I'd still suffer from some of my mixing difficulties. And I'd like to thank Silvia. The beginning of that song the first four notes or so came to me in a small bar in Paris almost two months ago now. I thought of some more notes there, but they didn't sound right. :-) The other main idea followed later that day, after having attended a concert by Goran Bregovic. So this piece again stretches the boundaries of my usual influences. You'll find some light asian influence, the balkaniser, simple piano music, light jazz, metal, glam-rock, synth-pop and a bit of the good old prog all bundled into this. And it's not because I didn't know, whereelse to put them. It's actually a study of some rather personal experiences, seeing them from very different angles. I hope I succeeded. :-) I know, that my singing leaves somethig to be desired (better intonation for a start :-) ), but I suspect, that it could have been worse. As ever any feedback is welcome and a beer to those, who find the fun and games in the lyrics. :-) Kindest 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)

12 years, 4 months

Jack midi sequencer?

by Juhana Sadeharju

Patchage + muse + zynaddsubfx failed to work. No sound; except with Z's virtual keyboard. Patchage freezed at some point. How to get midi from muse to zynaddsubfx? Please test the combo in your system. Any other midi sequencer? Rosegarden failed to install in Ubuntu (as well as GTK2 and SDL dev packages grrrr!). Juhana

12 years, 4 months

Re: [LAU] OS for realtime operation

by harryhaaren＠gmail.com

Hi Moshe, Yup recent convert to Arch here, its a very nice way of keeping on top of your linux distro: All options are available to you, config files are *very* well laid out, and documentation is extremely good. For configuration its really flexible, but it does require a certain amount of config before its running optimally in my experience. That said, configuring it is very easy and rewarding, it just does what you tell it to do, without trying to be smarter than you and changing stuff for you. AVLinux is a more "polished" solution and you'll no doubt need less effort to get it running, but then you've lost some control over how it works, and you'll have to pray its good. TangoStudio is Ubuntu based, and I had a pretty good experience there... not very RT performance, but stable @ 20ms or so. Here on Arch I'm pushing to 5ms, and getting pretty good results :) I'ma happy Arch user, but its definatly not the distro for everyone... as some Arch people put it: Arch doesn't find you, Archers find Arch -Harry On , Moshe Werner <moshwe(a)gmail.com> wrote: > Hi Raffaele, > thanks for the reply! > My needs would be: > Mainly tracking (by now up to 8 channels at given time). > Mixing and monitoring - Yep > Realtime fx - also yes. > Tried AVlinux and found it to be pretty cool, but its 32 bit and till now > I'm used to 64 bit and wouldlike to keep using the more advanced PC > technology. (Finally when Protools 11 takes the leap into 64bit > technology it would be sad to see my Linux system going backwards). > Heard good things about Arch in audio use too. Anyone got experience with > Arch use for pro audio? > On Mon, Jan 9, 2012 at 5:05 PM, Raffaele Morelli > raffaele.morelli(a)gmail.com> wrote: > 2012/1/9 Moshe Werner moshwe(a)gmail.com> > Hi everyone, > after many years of studio work using the openSuse distro with the > kernel-rt from Jan Engelhard it seems that he no longer continues his > great work on rt kernels. > Being more on the recording engineer side of things and not a Linux > expert (user yes, expert no) I really fret at the thought of patching and > compiling my own kernel package. > I would like to hear your opinions on what distro is solid for audio work > and has a reliable rt kernel. > Also I would appreciate if you could explain the degree of difficulty and > learning curve of the specific distro. > debian lover since 2005 here :-) rock solid > I won't try to explain debian learning curve because of too many if/then > sentences to work with :-) > A lot of work has been done since 2005 and actually AFAIK the features > offered by the rt patch are being merged in the kernel mainline little by > little and actually I can say that a debian stock kernel is really near > the rt one... depending on your needs (record? mixing? both? + > monitoring? + realtime fx? and how many tracks?...). > BTW, there are several multimedia distros around and they do not require > you to do tricky things on your system and some are debian based (eg. AV > linux). > PS I tried to use Ubuntu on the same machine I use openSuse 11.2 on and > got pretty bad results regarding latency and x runs on jack 2. > Don't know about openSuse but Ubuntu is debian with lipstick and > makeup... too much IMHO :-) > regards > -r > -- > L'unica speranza di catarsi, ammesso che ne esista una, > resta affidata all'istinto di ribellione, alla rivolta non isterilita > in progetti, alla protesta violenta e viscerale. > _______________________________________________ > Linux-audio-user mailing list > Linux-audio-user(a)lists.linuxaudio.org > http://lists.linuxaudio.org/listinfo/linux-audio-user

12 years, 4 months

Re: [LAU] OS for realtime operation

by Mac

On Mon, Jan 9, 2012 at 12:41 PM, Mac <macdroid53(a)gmail.com> wrote: > On Mon, Jan 9, 2012 at 11:37 AM, > <linux-audio-user-request(a)lists.linuxaudio.org> wrote: >> Message: 3 >> Date: Mon, 9 Jan 2012 16:24:00 +0200 >> From: Moshe Werner <moshwe(a)gmail.com> >> Subject: [LAU] OS for realtime operation >> To: linux-audio-user <Linux-audio-user(a)lists.linuxaudio.org> >> Message-ID: >> <CAGFf1oiCSvrwPRCvpW4dJVdQSXt-Vs5uzVZvrH0BMv=4Ww14pw(a)mail.gmail.com> >> Content-Type: text/plain; charset="iso-8859-1" >> >> Hi everyone, >> >> after many years of studio work using the openSuse distro with the >> kernel-rt from Jan Engelhard it seems that he no longer continues his great >> work on rt kernels. >> Being more on the recording engineer side of things and not a Linux expert >> (user yes, expert no) I really fret at the thought of patching and >> compiling my own kernel package. >> >> I would like to hear your opinions on what distro is solid for audio work >> and has a reliable rt kernel. >> Also I would appreciate if you could explain the degree of difficulty and >> learning curve of the specific distro. >> Try AVLinux: http://www.bandshed.net/AVLinux.html Mac

12 years, 4 months

How to get 64-bit Flash plugin to play through JACK2?

by david

I'm sure I have this somewhere in my mail archive, but search can't find it now ... Have heard of something called the alsa-jack-plugin, but can't find it anywhere. Have tried something else using something in .asoundrc (don't remember what it was, it didn't work, so I got rid of the .asoundrc I had created to try it - didn't have an .asoundrc file before). My lovely wife would like to watch her Amazon movies on my 64-bit desktop PC because it has the large LED monitor. Stupid computers. -- David gnome(a)hawaii.rr.com authenticity, honesty, community

12 years, 4 months

Music: The Divorcees Waltz

by Josh Lawrence

A cover of a tune written by the great guitar player Adrian Legg, posted here for your enjoyment and suggestions. Link to blogspam: http://devio.us/~jhl/blog/?p=9 Direct link to the song: http://devio.us/~jhl/blog/wp-content/uploads/2011/11/divorcees-waltz.ogg Hope you all enjoy! (For Leigh - yea, that's all finger drumming in there :) -- Josh Lawrence 903-490-3700

12 years, 4 months

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Linux-audio-user January 2012