Linux-audio-user

linux-audio-user@lists.linuxaudio.org

20661 discussions

by Atte André Jensen

What's the best/easiest/cheapest way to connect one or more keyboards to a laptop? My own plans was one of the USB-keyboards, but: *How well is USB-MIDI supported under linux in general? *Which keyboards is known to work under linux? *Is the response faster than with MIDI? -- peace, love & harmony Atte

22 years, 3 months

[linux-audio-user] Re: Measuring latency on my Apple G3

by Ismael Valladolid Torres

Michel Dänzer escribio el 22/07/03 02:22: > Probably a GTK bug, not related to this thread. I know, I know... ;) > Which isn't very surprising, as they can use parts of the graphics chip > that we don't have specs for, for one. Sure. Only I remember having installed Mandrake 9.1, and I think video performance was somewhat better. Maybe I am wrong and memory cheats... > Beware that at least the low latency patch needs fiddling with > arch/ppc/config.in to actually be enabled (check with grep LOLAT > .config), and that the preempt patch (which I assume you mean by R. > Love's) actually made things worse for me when I tried it on PPC a while > ago. This may have been fixed in the meantime though. You're right! First line in the patch file says: arch/i386/config.in | 3 + So the patch to the config.in file is only applied automatically for the i386 architecture. Indeed CONFIG_LOLAT_SYSCTL was not in my .config, so should I paste this manually into arch/ppc/config.in? Would this be enough? And about the preempt, patch, well, it seems I still have enough tests to perform so I can spend my holydays safely. > YMMV IJLUW (indeed, just like using Windows!) ;) Regards, Ismael

22 years, 3 months

[linux-audio-user] Re: Measuring latency on my Apple G3

by Ismael Valladolid Torres

Michel Dänzer escribio el 21/07/03 13:09: > First of all, you mentioned in another post that you use x11perf to > create X11 stress. Are there also problems with real world apps? "Real world" apps work properly (except for the Gnome theme manager which displays garbage). I only find video performance using Linux a lot lower than using any of the Mac OS's. > Also keep in mind that neither the vanilla 2.4 kernel nor the X server > were designed for low latency. Have you tried the low latency and/or > O(1) scheduler kernel patches, and not running the X server with > negative nice values if you are? Both of those patches (A. Morton and R. Love's ones) were applied to my kernel. I don't know about running the X server with different nice values, which advantage would I get? (I am using gdm as my X session manager). > Last but possibly not least of all, the dmasound driver has been less > prone to dropouts in my experience than the ALSA driver. I should try with pure OSS. Let's not forget that the latency test suite is using the OSS compatibility layer of ALSA. Thanks a lot. Any feedback is still very useful. Regards, Ismael

22 years, 3 months

[linux-audio-user] Measuring latency on my Apple G3

by Ismael Valladolid Torres

Hi, I am trying latencytest-0.42-png.tar.gz for measuring latency on my Apple G3 (Debian/Sid PowerPC). Of course I am enabling USE_GENERIC_TIMER and tuning my hard disk using hdparam before tests. But, results show a very poor performance. Indeed, any X11 stressing involves a raise of the latency and lots of dropouts. I can't blame hardware. Apple hardware is top-class, and this same machine features under 1,5 ms of latency using CoreAudio on Mac OS X. So, whether the PowerPC kernel or X11 are not fully optimized, or the latencytest application is not reliable on non-Intel platforms. Any ideas? Sorry for crossposting... ;) Regards, Ismael

22 years, 3 months

[linux-audio-user] ALSA virtual multi device for DIGI96/8

by Reuben Martin

I'm using an RME Digi96/8 PAD and I'm trying to configure ALSA so that when JACK loads it will provide transports to both the stereo device and the ADAT device on the card. I think the proper way to do this is by creating a virtual multi device but I can't find much info other than just an example on how to set it up. The multi device is easy enough to figure out, but I'm not quite sure how to set up the interleaved PCM stream correctly, the example given on the ALSA website is for a 4 channel setup and I need to set one up for 10 channels. Here's my current .asoundrc: pcm.rme_stereo { type hw card 0 device 0 } ctl.rem_stereo { type hw card 0 device 0 } pcm.rme_adat { type hw card 0 device 1 } ctl.rme_adat { type hw card 0 device 1 } pcm.multi { type multi; slaves.a.pcm rme_stereo; slaves.a.channels 2; slaves.b.pcm rme_adat; slaves.b.channels 8; bindings.0.slave a; bindings.0.channel 0; bindings.1.slave a; bindings.1.channel 1; bindings.2.slave b; bindings.2.channel 0; bindings.3.slave b; bindings.3.channel 1; bindings.4.slave b; bindings.4.channel 2; bindings.5.slave b; bindings.5.channel 3; bindings.6.slave b; bindings.6.channel 4; bindings.7.slave b; bindings.7.channel 5; bindings.8.slave b; bindings.8.channel 6; bindings.9.slave b; bindings.9.channel 7; } ctl.multi { type hw; card 0; } Also, if there is a better/easier way to do this please tell me. -Reuben

22 years, 3 months

[linux-audio-user] desparate for MIX!

by Panayiotis Kokoras

Hello list, I successfully installed the Planet CCRMA CDs with all the applications on. However, I am desperate for one application called MIX (9-channel mixer from NoTAM)ported for Linux by Guenter Geiger. The reason is that I have done several pieces under that program in the University (on Unix System) and now being away of the University I cannot access them any more... So far I tried the RPM from Planet CCRMA and the tarball from ftp://xdv.org/pub/gige/mix with lesstif lib included but the program opens with a couple of warnings; "Warning: Cannot convert string "flat_foreground" to type SliderVisual" "Warning: No font found." and then crashes after I add some sounds. Some times it gives immediate segfault. I would be very greatfull if any of you do run MIX without major problems under RH9, Planet CCRMA. In fact all I want is to be able to load the files back and play them. I don't want the effects and the processing tools. I don't even want to record through that. I would very much appreciate your help. Thanks, Panayiotis --- _____________________________ http://p.kokoras.tripod.com/ [last update 06 July 2003] ____________________________________________________________ Get advanced SPAM filtering on Webmail or POP Mail ... Get Lycos Mail! http://login.mail.lycos.com/r/referral?aid=27005

22 years, 3 months

[linux-audio-user] jack 0.74.1 released

by Taybin

JACK 0.74.1 Changes: Removed remaining references to error.h for clean compiling enjoyment. Taybin Rutkin

22 years, 3 months

[linux-audio-user] gmorgan-0.05

by holborn

Hi. Sorry i was make a mistake in Makefile, now is solved. Josep

22 years, 3 months

[linux-audio-user] gmorgan-0.05

by holborn

Hi! gmorgan is a .. Rhythm Station, an organ with auto-accompaniment and a "small" Band in a Linux Box. Uses MIDI and the ALSA sequencer for play the rhythm patterns. Styles, patterns , sounds, and the mixer settings, can be edited and saved. Program is released GNU/GPL version 2. News in v0.05 -------------------- - Major bugs solved now runs 3/4 - Added Play in thirds in Acc2. - Added Play in sixths in Acc2. - Added More chords in Batch Play-Editor. - Added Clear Pattern in Pattern window edit. - Added Patterns. - Minor bugs solved. REQUERIMENTS -------------------------- Fast Computer Linux ALSA Fltk Take a look at http://personal.telefonica.terra.es/web/soudfontcombi/ And please ... if you enjoy this prog and wants to share patterns, send me, and i will include in future versions, i have a large TODO, and i need some help. Josep

22 years, 3 months

[linux-audio-user] CSound newbie problems

by DevDSP Info

-- take care, Matthijs de Jonge http://devdsp.net - news and resources for computer musicians

22 years, 3 months

Jump to page:

2025

2024

2023

2022

2021

2020

2019

2018

2017

2016

2015

2014

2013

2012

2011

2010

2009

2008

2007

2006

2005

2004

2003

2002

Linux-audio-user