Στις Κυρ 27 Φεβ 2011 00:17:23 Hartmut Noack γράψατε: > Am 26.02.2011 21:52, schrieb Scott Lavender: > > On Sat, Feb 26, 2011 at 2:16 PM, Alexandros Bitoulas<[email protected]>wrote: > >> Hello everybody! > > > > Hi Alexandros! > > > >> I run kubuntu 10.10 with 2.6.35-25-generic kernel and I am very pleased > >> and enthusiast about it's aesthetic feel. > >> > >> However, I want to record live my guitar. With this kernel, the latency > >> that I > >> get in Jack, (with 512 frames/period, 44100 Sample Rate and 2 > >> Periods/Buffer) > >> is 23.2 msec which is a little bit annoying. If I lower the Frames to > >> 256 I get 11.6 but I have many Xruns. > > > > it would be helpful to know what you audio interface is to perhaps help > > you get better performance. > > > > Also, in some cases (and yours might be one) if you add the user to the > > 'audio' group it helps performance as well. > > > >> So, I am thinking to install the realtime kernel. The question is: are > >> Kubuntu > >> 10.10 and real-time kernel full compatible with each other? Do I need to > >> make > >> any considerations/modifications in my system before installing the > >> real-time > >> kernel. Did anyone had any problems with Kubuntu 10.10 and real-time > >> kernel? > > > > Good question. But since it's all based on Ubuntu I wouldn't expect much > > deviation in performance except in specific, restricted cases. > > > >> I searched on the web and I only found some generic comments like "that > >> KDE isn't suitable for audio production", but with no serious support > >> that validate those comments. > > > > I think many people would argue with that position. > > KDE is not as "light" in terms of memory/CPU-usage as Fluxbox but if one > disabeles the desktop-search-system, KDE will have little impact on the > audio-performance. > Kernel and System-Setup are really important. If a capable basic-system > is set up carefully, the desktop-system does not matter much. Running > KDE instead of Fluxbox will not have much more impact than another Synth > started in a session. > > I use to run KDE4.3 under Suse 11.2 with jengelh-RT-kernel on my > quad-core workstation and tested the same system with Fluxbox and LXDE > also. I did not see any improvement of performance so I stuck with KDE > for convenience ;-) > > best regs > > HZN >
Hello Hartmut! All right, this is valuable information/experience! Thanks for sharing! Alex > > A good friend created and maintains that KXStudio distro which is based > > on Ubuntu Studio and uses KDE. It's brilliant and beautiful and > > includes a -realtime kernel I believe. It's a live DVD so I would > > highly recommend researching it. You can find it here: > > http://kxstudio.sourceforge.net/ > > > >> I am looking forward to your replies and comments! > >> > >> Thank you in advance, > >> > >> Alex > >> > >> -- > >> Ubuntu-Studio-users mailing list > >> [email protected] > >> Modify settings or unsubscribe at: > >> https://lists.ubuntu.com/mailman/listinfo/ubuntu-studio-users > > > > ScottL -- Ubuntu-Studio-users mailing list [email protected] Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-studio-users
