Linux-audio-user January 2009

linux-audio-user@lists.linuxaudio.org

165 participants
173 discussions

by Dave Phillips

Mark Knecht wrote: > On Fri, Jan 30, 2009 at 7:19 AM, Dave Phillips <dlphillips(a)woh.rr.com> wrote: > >> Greetings, >> >> Is anyone on these lists using a Frontier Tranzport with Ardour 2.7.1 ? >> If so, how did you set it up, under which distro, kernel, etc. ? >> >> TIA, >> >> dp >> > > Have you seen this Dave? > > I don't use one. Just Googled Tranzport Ardour and found some stuff. > > - Mark > Thanks, Mark. Yes, I have it and have read it. I think my problem is more basic: If I'm correct, I should see the Link light activated. It's not, and I'm pretty sure I'm missing a step or two in the configuration. I'll keep working with it. Best, dp

15 years, 11 months

Tranzport + Ardour2 ?

by Dave Phillips

Greetings, Is anyone on these lists using a Frontier Tranzport with Ardour 2.7.1 ? If so, how did you set it up, under which distro, kernel, etc. ? TIA, dp

15 years, 11 months

Re: [LAU] Recording multiple instruments at once? [OT?]

by James Stone

On Thu, Jan 29, 2009 at 07:04:47PM +0000, rob wrote: > James Stone wrote: >> Hi there, >> >> I was wondering if anyone has recommendations for a reasonably >> cheap USB interface to record a band live (so multiple inputs >> from the different instruments). I guess some kind of mixer would >> be nice, but a sound card with 6 inputs would be fine. >> >> James >> _______________________________________________ >> Linux-audio-user mailing list >> Linux-audio-user(a)lists.linuxaudio.org >> http://lists.linuxaudio.org/mailman/listinfo/linux-audio-user >> >> > I don't use USB, but IIRC USB1 has insufficient bandwidth for >2 channels, > and there are zero USB2 soundcards that work under Linux. > Interesting. What would you suggest instead? James

15 years, 11 months

Csound Security Notice

by David L. Craig

Csound 'PySys_SetArgv' Remote Command Execution Vulnerability BugTraq ID: 33446 Remote: Yes Last Updated: 2009-01-28 Relevant URL: http://www.securityfocus.com/bid/33446 Summary: Csound is prone to a remote command-execution vulnerability. An attacker could exploit this issue by enticing an unsuspecting victim to execute the vulnerable application in a directory containing a malicious Python file. A successful exploit will allow arbitrary Python commands to run with the privileges of the currently logged-in user. -- May the LORD God bless you exceedingly abundantly! Dave Craig - - - - - - - - - - - - - - - - - - - - "'So the universe is not quite as you thought it was. You'd better rearrange your beliefs, then. Because you certainly can't rearrange the universe.'" --from _Nightfall_ by Asimov/Silverberg

15 years, 11 months

multi processor

by alex stone

I've done a bit of googling, but can't seem to find or understand information about linux (audio and vid specific, for example writing for film) and multicore, multi processors. Example being a Mobo that supports quadcore/ 4 cpu. (Tyan) Anyone using one of these monsters for audio/video, with linux? If so, what's the performance/compatibility like? Driver/module issues, things not working, etc.. Alex.

15 years, 11 months

Usb driver debug

by nick83ola

anyone can give me information about how i can debug the driver for my usb edirol ua-20 ?(that not works in advanced mode...sigh sob) i have downloaded the kernel source and locked in sound/usb any examples about how to debug/develop usb linux drivers??? Please I need it!!!!! Nicola Lunghi -- www.nicolalunghi.it http://www.cerchiopisa3.netsons.org P.S. Le informazioni trasmesse attraverso la presente comunicazione sono di sclusiva spettanza dell'effettivo destinatario. Nel caso in cui le stesse raggiungessero, per qualunque motivo, soggetti non interessati, questi ultimi vorranno darne immediata notizia al mittente. In ogni caso, eventuali soggetti diversi dai legittimi destinatari della presente comunicazione e dei dati contenuti negli allegati, possono essere sanzionati ai sensi del T.U. sul trattamento dei dati personali d.lgs. 196/2003, sia ai sensi dell'art. 616 del Codice Penale che disciplina la violazione del segreto sulla corrispondenza.

15 years, 11 months

Linux Audio Music Performance Survey

by John Littler

Hi, thanks very much to those who participated. The result of the survey is here ... http://mstation.org/linux-audio-users-performance.php cheers John -- http://mstation.org an e-zine

15 years, 11 months

New Linux DAW build. AMD790GX chipset working OK?

by R.Wolff

Hi there, I'd like to build a new DAW in the next 2 weeks. Budget is tight and so I have chosen the following components to buy: CPU: • AMD Athlon X2 7750 Black Edition (K10 - Kuma core), 2x 2.70GHz, boxed AD775ZWCGHBOX - €68,21 Cooler: • Arctic Cooling Freezer 64 Pro PWM - €16,65 • http://www.arctic-cooling.com/cpu2.php?idx=80&data=1&disc= Mainboard: • Asrock AOD790GX/128M AMD790GX - €84,03 • http://www.asrock.com/mb/overview.asp?Model=AOD790GX/128M Memory: • 2x2048MB Kit OCZ Platinum XTC 1066MHz CL5 - €44,87 • http://www.ocztechnology.com/products/memory/ocz_ddr2_pc2_8500_platinum_sli… Power Supply: • RASURBO GaminX & Power GAP565 - 550 Watt - €43,95 • http://www.rasurbo.de/netzteil_gap565.html Any thoughts on this? What I'd like to know the most is, how does the AMD790GX perform under Linux? Is it fully supported (chipset, graphics [very important], Which kernel would I need at least? Does anybody here use an AMD790GX board? Are you happy with it? Any known problems? I'd be really grateful for any thoughts, experience, info, whatever. Greets, Raphael ;) -- ________________________________ "A mind is like a parachute - It doesn't work if it's not open." |- - - - - - - Frank Zappa - - - - - - -|

15 years, 11 months

Re: [LAU] Ardour crashing with error about not being fast enough.

by Brian Bergstrom

Okay, so after continuing my search for a solution I can across someone with a similar problem that ended up being cause by a bug in a effects plugin(freeverb). I had about 10 plugins in my project and I narrowed it down to the one causing the problem! TAP Equalizer. I don't know what the actually problem is, but it causes ardour/jack to fall apart. Upon checking out the website for TAP it looks like development has been dead since 2004 so I don't know if it will be fixed. Ardour Rocks. Case closed. > > ---------- Forwarded message ---------- > From: Brian Bergstrom <boilingbergstrom(a)gmail.com> > To: linux-audio-user(a)lists.linuxaudio.org > Date: Thu, 29 Jan 2009 19:08:58 -0600 > Subject: [LAU] Ardour crashing with error about not being fast enough. > I have a project that I was working on in 2.3 and I started getting this > error. > > JACK has either been shutdown or it > disconnected Ardour because Ardour > was not fast enough. Try to restart > JACK, reconnect and save the session. > > It got the point where I couldn't work on the project anymore. I could open > the project and playback my song, but as soon as I stopped playback that > message would pop up and JACK would get Xruns. My session isn't > extroidinary, it has 7 drum tracks that I recorded from Hydrogen, 2 guitar > tracks and a bus. It has 7 effects running which doesn't seem like a lot > since I have run more effects in Abelton Live and Adobe Audition before. > I investigated and tried to make sure my system was tweaked correctly. I am > running Ubuntu Studio Hardy with real time kernel 2.26.24. I have my audio > group setup in the limits file with unlimited memlock. My system has a > 1.8GHz Core Duo and 2GB of ram. I don't have any hefty daemons/processes > running. I am using a Edirol UA-4fx USB audio interface. I have jack setup > with 128 frames and 3 periods. I got the same results when I turned the > frames up to 1024. Ardour plays/records fine in a new session with just a > few tracks. Other audio apps work fine with Jack. I built .116 jack and 2.7 > Ardour from source with optimize flags and still get the same result. My > hard drive is running in udma6 mode and gets 900MB/sec cached read and > 40MB/sec buffered disk read. I have run the realTimeConfigQuickScan.pl from > http://wiki.linuxmusicians.com and all checks are good. I am out of ideas > and just want to make music, any help is greatly appreciated. > > Thanks. >

15 years, 11 months

Re: [LAU] using a condensator microphone live

by Jörn Nettingsmeier

frank pirrone wrote: > Jörn Nettingsmeier wrote: >> fwiw, *any* _directional_ microphone will have the proximity effect >> (i.e. a bass boost when used up close) - it's the directivity that does >> it, not the transducer principle. > > I'm not sure that's consistent with my experience. Even cardioid > dynamics vary significantly in the *quality* of proximity effects I'm > referring to - response to breathy singing, punch, timbre as a function > of harmonics balance, maybe even mechanical overdriving of the diaphragm > in loud passages. > > FWIW, the SM58 is a nice comfortable mike for singers who heavily employ > dynamics in their vocals. > > I understand the theoretical reality of what you assert here, but > believe there's more going on than pickup pattern. i agree that the proximity effect of, say, an U87 in cardioid setting is not usable in the same way than that of an sm58. for one, it would pop like mad :) but that's due to the size and sensitivity of the capsule, the built-in foam (or lack thereof) and the robustness of the suspension. if you take a directional condenser optimized for hand-held (neumann has a veery nice hypercardioid, i forget the model number, or take some of the offerings by beyerdynamic or sennheiser), you will find that it can be used in much the same way than an sm58, although sibilance will become a problem, simply because those mikes are way more linear in the treble range and more sensitive. another downside of the neumann is that it's quite prone to handling noises otoh, no true omni will display a significant proximity effect. in short: i can assure you that it's only the pickup pattern :) but in actual practice you are of course right, other factors come into play, and nobody in their right mind would use a hand-held large diaphragm like a TLM for a dynamic vocal performance (unless money was utterly not an issue, and even then it would probably suck) best, jörn

15 years, 11 months

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Linux-audio-user January 2009