Linux-audio-user December 2004

linux-audio-user@lists.linuxaudio.org

186 participants
209 discussions

[linux-audio-user] Jackd realtime-lsm 2.6.10 and PD

by thewade

I built 2.6.10 with the realtime-lsm patch pointed to by Lee and things are looking good. I did modprobe realtime gid=(my gid, one user machine) and started jackd using qjackctl as I did as root on my old kernel and got about the same results... ...as far as I can tell. I cannot connect PD to jack for some reason now. I usedto run both PD and Jackd as root. PD drops its root status after setting up scheduling (I think) but now I get a seg fault if I have jackd running as me, and pd as me, or pd runs with Jackd as me if I start PD as root; but then PD cannot connect to jackd. What do I do now? Im anxious to test jackd and this realtime kernel! Thanks! -thewade

20 years

[linux-audio-user] Unnecessary Services

by mark＠kfm.co.za

Hello Everybody - hoping your Old year is Excellent Is there a list that I could look at that would show all necessary and unnecessary services in terms of Linux Audio. If possible I would also like to see which files are to be editted for real fine tuning of my workstation. Best wishes for the New Year and Thank you for any responses! Bye mark Regards Mark Mark McBride 0844146809 ____________________________________________________________________________ The information in this e-mail is confidential and is intended solely for the addressee. Access to this e-mail by anyone else is unauthorised. If you are not the intended recipient, any disclosure, copying, distribution or any action taken or omitted in reliance on this, is prohibited and may be unlawful. Whilst all reasonable steps are taken to ensure the accuracy and integrity of information and data, and to preserve the confidentiality thereof, no liability or responsibility whatsoever is accepted if information or data is corrupted or does not reach its intended destination. KFM Radio (Pty) Ltd. will not accept responsibility for unauthorised use, be it public or private, to express opinion, promote or demote individuals or groups.

20 years

[linux-audio-user] hearing testing

by Andrew Gaydenko

Is there any softaware/methodology for ... ears? :-) I mean testing ears hearing capabilities (frequencies, thresholds, masking, ...). Andrew

20 years

Re: [linux-audio-user] Re: [Jackit-devel] 2.6.10

by Lee Revell

On Fri, 2004-12-31 at 00:07 +0100, Florian Schmidt wrote: > On Thu, 30 Dec 2004 22:40:12 -0000 (WET) > "Rui Nuno Capela" <rncbc(a)rncbc.org> wrote: > > > I have to agree with Fernando when he says that when a RT configured > > kernel boots (and those IRQ threading gets properly tuned) its The > > linux-audio-dream come true. It just makes everything else look like a > > joke ;) > > > > Full Ack! I'm still rubbing my eyes in disbelief trying to understand > why there's still people involved with linux audio who haven't tried the > RP kernels yet. I was dreaming of this sort of functionality since i > first installed a slackware distribution back in the days (with some 1.x > kernel) ;) Yes, of course the RT kernel is a lot better, but I agree with Jack that it's important to have good realtime support in the base kernel. Previous Linux kernels were much worse than the proprietary alternatives, so having a kernel release that's as good or better is a huge milestone. Can you imagine Linux owning the server space the way it does now, if you had to patch the kernel to get superior performance? Linux got huge in this area because you could take it and install apache out of the box on a spare machine and get better server performance than the proprietary guys. Anyway, everyone's goal is to get the performance of the RT kernel out of the stock kernel anyway. So we should figure out what else needs to go upstream before 2.6.11. I think in order for it to get much better we need the softirq and hardirq threading stuff upstream and turning the might_sleeps into preemption points - IOW the original aspects of VP. I would still like to see a comparison between RT and DESKTOP. I think it's reasonable that we could get PREEMPT_DESKTOP like performance out of the vanilla kernel very soon. Lee

20 years

[linux-audio-user] RME Multiface again..

by Jamie Bullock

Dear list, I am currently trying to set up an RME multiface under Linux. I am running a 2.6.9 kernel with ACPI patches, the Nitro 4/Con Kolivas patches, and the latest LSM module. I am running ALSA 1.0.8rc1 compiled as modules from Source. Most things work well. I have Jack running in realtime with very few Xruns. PD and Audacity also work OK so far as I can tell. I have three problems: 1/ The no audio can be heard from the Multiface unless the HDSPmixer app has been opened once. 2/ The inputs meters on the HDSPmixer are constantly showing around -7dB even though there is no input. 3/ There are constant clicks when playing from DVD, regardless of whether I use Xine or Mplayer, OSS or ALSA. Playback is fine if I use the internal Intel sound card. Any help would be much appreciated. Regards, Jamie

20 years

[linux-audio-user] Trying to get OSS driver to recognize midiport

by airplays55＠yahoo.com

I have a knoppix installation that includes rosegarden2 and OSS drivers. The midiports are not recognized upon bootup. How can I configure/check the midi port configuration for the OSS drivers? Yes I know that rosegarden4 blows away rosegarden2, and ALSA is the way to go, but since knoppix includes rosegarden2 and OSS, I think it would be easier for me to get this working than switch to ALSA and new software. I have tried several midi interfaces/soundcards which I know are supposed to work (ISA, PCI, and USB) Any advice would be much appreciated! __________________________________ Do you Yahoo!? Yahoo! Mail - 250MB free storage. Do more. Manage less. http://info.mail.yahoo.com/mail_250

20 years

[linux-audio-user] how 'bout more music

by R Parker

There haven't been to many songs recently so here's another one: http://www.iaxs.net/~rparker/finlander_wrap.ogg Something is wrong with this master. It sounds like the limiter peaks. It could be the source but I was having the same problems on another one of the songs. Doesn't matter enough to fix because my music doesn't pay any of the bills. ron __________________________________ Do you Yahoo!? Meet the all-new My Yahoo! - Try it today! http://my.yahoo.com

20 years

[linux-audio-user] Re: Athlon 64?

by Brian Redfern

I've used a compaq laptop that I was setting up with Suse Linux 9.1 for amd_64, and it runs a lot cooler than I expected, and for those apps that have native 64 bit version, you definitely do get a performance boost. So if you can afford it, a dual 64 bit system would be a real powerhouse for an audio workstation, but it can be difficult to get some hardware working, the 64 bit laptop mobos use a problematic yenta socket, so pcmcia might not work at all.

20 years

[linux-audio-user] Athlon 64?

by Spencer Russell

Hey there listers, Does anyone have any experience with Athlon 64 processors? Do those extra 32 bits come in handy for audio work? I'm looking to move away from my laptop for most of my audio work, and I like the flexibility of using a desktop. From what I hear, because we can compile most of our software, linux seems to use the athlon 64 much better than windows, but I could be wrong. Any thoughts? spencer

20 years

[linux-audio-user] x-session midi controller page

by Iván Almada

heres the product page http://www.evolution.co.uk/products/evo_xsession.htm for those who might want to check it out... ivan. _________________________________________________________ Do You Yahoo!? La mejor conexión a internet y 25MB extra a tu correo por $100 al mes. http://net.yahoo.com.mx

20 years

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Linux-audio-user December 2004