Linux-audio-user September 2013

linux-audio-user@lists.linuxaudio.org

99 participants
90 discussions

Re: [LAU] options for hard real time kernel for raring 13.04

by Marco Donnarumma

> > Did you consider building your own kernel? I'm using self-built RT > kernels on Ubuntu 12.04 and that works great: > > http://wiki.linuxaudio.org/wiki/system_configuration#build_your_own_real-ti… > And are you using rtirq? > Alessio Abogani stopped maintaining th RT kernels for Ubuntu quite a > while ago. You might want to ask falkTX about the possibilities of > offering a raring RT kernel. > > Best, > > Jeremy > > Hey Jeremy! Yes, that's the other thing I will try now, good to know it works on 12.04. My pain in the a... is that I have to use nvidia drivers, and had troubles some time ago with them and rt-kernels. Do you happen to know whether I need to patch nvidia support into the rt-kernel I build? (I guess so... just to be sure) thanks! best, M

12 years

options for hard real time kernel for raring 13.04

by Marco Donnarumma

Hey all, I just switched to Mint Olivia 15 (based on Ubuntu Raring 13.04). I use quite cpu-intensive puredata patches with processing of 2 live audio inputs on a firewire soundcard through ffado and qjackctl (jack2). Although my machine runs a low-latency kernel and it has been configured for pro audio (I use the realtimeConfigurationScan script), I still get xruns and sometimes qjackctl randomly hangs up making the sound to stop completely. Before, I used to work with ubuntu 10.04 and rt-kernel without a itch. Is anybody still using a rt-kernel with the latest Mint or Ubuntu, or just refining settings etc..? if a rt-kernel is the best option, should I patch mine, since it looks like there are no packaged rt-kernels for Raring? Can't access Abogani ppa, and KXS kernels are available up to Precise. thanks in advance for any hint, or suggestions about what to try! best wishes, -- Marco Donnarumma New Media + Sonic Arts Practitioner, Performer, Teacher, Director. Embodied Audio-Visual Interaction Research Team. Department of Computing, Goldsmiths University of London ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Portfolio: http://marcodonnarumma.com Research: http://res.marcodonnarumma.com Director: http://www.liveperformersmeeting.net

12 years

OT: Terrible open source definition

by Andrew C

Entirely OT, but I had a lecture at Uni yesterday and the first slide was talking about Eclipse and how it's 'open source, so it means it's free to use for both commercial and non-commercial purposes'. Needless to say, I cringed at the "definition". We now return you to your regularly scheduled linux audio related discussions.

12 years

pro gear that runs embedded linux...

by Jörn Nettingsmeier

hi guys! i'm sure you all have seen your share of professional audio, video, and lighting gear that apparently runs embedded linux but never mentions it much (unless you happen upon the briefly flashing penguins immediately after booting)... i just came across the midas pro2 (which i have to learn for an upcoming job), and lo and behold, in the manual, midas saith: "The PRO2 uses the reliable Linux operating system." not exactly in the brochure afaict, but in the very prominent first section of the manual. :) other expensive boxes i've seen and used which appear to be running linux: * Allen & Heath iLive and GLD series audio mixers * LAWO mc² series of audio mixers * grandMA2 series of lighting controllers * the DirectOut M.1k2 16x16 MADI router none of these make a secret out of their OS, but it doesn't seem to be an advertising item, either. is it because people are generally disinterested in and/or frightened by the fact that their gear has to have some sort of operating system inside? i wonder if we'll live to see the day where "linux inside" is a hot marketing punchline. i wonder if you guys have seen other pro gear whose data gets shuffled around by industrious yet unseen penguins under the hood? -- Jörn Nettingsmeier Lortzingstr. 11, 45128 Essen, Tel. +49 177 7937487 Meister für Veranstaltungstechnik (Bühne/Studio) Tonmeister VDT http://stackingdwarves.net

12 years

Setting-up Focusrite Scarlett 8i6's Internal Mixer in Linux

by Abhayadev S

Anybody has any success in Setting-up Focusrite Scarlett 8i6's Internal Mixer in Linux Regards, Abhayadev S

12 years

Re: [LAU] a tango

by Dave Phillips

[Sorry if this is a dupe, I got a weird server error the first time I sent it.] On 09/08/2013 06:37 PM, Jörn Nettingsmeier wrote: > On 08/26/2013 02:49 AM, Dave Phillips wrote: >> Greetings, >> >> An ominous but not an anonymous tango : >> > a perfect score for another "battle of wesnoth" campaign with loads of > undead... > > It's the Tango Of The Living Dead. New "improved" version at http://linux-sound.org/audio/Tango.mp3 http://linux-sound.org/audio/Tango.ogg Middle section is extended with a bit of new material. Same crappy sounds though, so if anyone wants to have some fun re-orchestrating it (hi Will!) here's the MIDI file : http://linux-sound.org/audio/tango2.mid It's set up for standard GM layout. Best, dp

12 years

a tango

by Dave Phillips

Greetings, An ominous but not an anonymous tango : https://soundcloud.com/davephillips69/tango-in-cm-for-strings-and For the non-nebulous : http://linux-sound.org/audio/Tango.mp3 http://linux-sound.org/audio/Tango.ogg Plain old tonic/dominant stuff here, all in moody good fun. Best, dp

12 years

an AVS waveguide demo

by Dave Phillips

Greetings, A brief demonstration of Jean-Pierre Lemoine's implementation of the Csound waveguide filter in AVSynthesis : https://soundcloud.com/davephillips69/an-avsynthesis-csound For those not on the cloud : http://linux-sound.org/audio/avs-waveguide-demo.mp3 http://linux-sound.org/audio/avs-waveguide-demo.ogg Best, dp

12 years

some new and some updated scores

by Dave Phillips

Greetings, For those of you who follow the dots : http://linux-sound.org/dlp-music-lilypond/ I'm in the process of updating, adding, and getting rid of stuff on that page. Most of the older stuff will be removed permanently, new stuff is on the way. Best, dp

12 years

Re: [LAU] crackling sound

by Fero Kiraly

thanks for ideas. raising the frames number helps me today. i will try to check thw volumes too. all best

12 years

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Linux-audio-user September 2013