Linux-audio-user December 2007

linux-audio-user@lists.linuxaudio.org

151 participants
147 discussions

by Robert Persson

On 10/12/2007, Robert Persson <ireneshusband(a)gmail.com> wrote: > > > > Hydrogen is really looking very good, but it is lacking in the midi sync > department, it slows down rather than stuttering when it is overloaded, > which is not good when you need it to keep in sync with something else, and > you can't yet gate your hi-hats. And of course it also lacks groove > quantise. > > Sorry, I was mistaken. You can gate your open hi-hats with your closed ones using "mute groups". I don't think it's in the stable version yet, but it is in 0.9.4-svn which I built a few days ago. Actually someone had told me about this before but I couldn't find it until just now. -- Robert Persson ireneshusband(a)gmail.com

17 years

Software or performance?

by Folderol

For those who don't know, for some time I've made available all the voice patches I've created for ZynAddSubFX. However, for the first time I've been asked what license they are under, which presents a curious problem. Would these be best regarded as 'software'? - in which case I'd go for GPL2 or later, or are they more like a 'performance'? - where I would then go for creative commons BY-SA I'd be interested in peoples opinions. -- Will J Godfrey http://www.musically.me.uk

17 years

Midi problems with audiophile 2496

by Bob van der Poel

Looking for some suggestions here. I've had a Maudio 2496 card for a few years. Works fine for audio, but if I use an the external midi ports it cause random freezes to my system. Only solution at this point is to hit the <RESET> button. Not much fun. Right now I'm using Ubuntu with the 2.6.20-16-lowlatency kernel and alsa 1.0.14rc1. What is interesting is that I had the same problems when I first installed the card and was running a kernel much older and Mandrake. Checking some of the alsa mailing lists I found a discussion about this dating back to 2004 ... so I'm assuming that whatever the problem was ... it's been fixed? Nope. For the past few years I've been using a usb-midi thingie, and that does work fine. But, I'm running out of USB ports, and I'd like to dedicate the usb-midi thing to my laptop. So, I tired the 2496 again ... same problem. So, should I just forget about the 2496 and buy yet-another-card? Do something creative with the usb port situation? Or does someone know a simple solution for the 2496 problem. Thanks. -- Bob van der Poel ** Wynndel, British Columbia, CANADA ** EMAIL: bob(a)mellowood.ca WWW: http://www.mellowood.ca

17 years

high latency with usb controller during high cpu loads

by Jozef Henzl

Hello list, Is it possible to prioritize irq of a usb device? I have the behringer bcr2000 midi controller, plugged to a usb port, and i experience really heavy latencies when cpu is on a high load (latency > 1s). During normal system operation it's ok, latency is practically realtime. thanks. -- Jozef Henzl http://popcorp.org

17 years

Ladspa scanning

by David Baron

Rosegarden and Muse, probably using the same code, kick about numerous ladspa plugins missing headers--are you sure this is a ladspa plugin? Freecycle, on the other hand, simply polls and loads them all up with nary a burp. (My local compiled version does segfault afterwards but that is another issue.) If they are good for the goose, why not the gander (honk!)?

17 years

DSSI-VST

by David Baron

The entries on sourceforge are very old, will no longer compile. Is this still be maintained, newer code available?

17 years

Rosegarden 1.6.0 and Roland Sound Expansion Synths

by The Other

Hello All, I've got the hardware connections between Rosegarden 1.6.0 and my Roland Sound Expansion module M-OC1 (orchestra) model working. I would like to get the banks and patch names on the M-OC1 recognized by Rosegarden. When I try the Studio-> Manage Midi Devices ; I see the list of play devices. I've seen the Rosegarden supplied .rgd files and how they will add a synth with all of the patch names supplied; but how do I create such a file for the M-OC1? I've tried my best guess and typed in the first bank of 128 names, found no way to save it, and lost the work. How should I be doing this? I also have a Roland Sound Expansion module M-GS64 with multiple banks. I'd be happy to send these .rgd files to the Rosegarden people, but I don't know how to encode them. Also, any tips on how to specify MSB, LSB would be helpful. The first bank on the M-OC1 shows CC0: 80; CC32:0. The second bank shows CC0: 81; CC32:0. How does that get encoded into the MSB, LSB, that Rosegarden uses? Thanks All, Stephen.

17 years

Multitracking a band live at a gig

by drew Roberts

Does anyone here record a band live at gigs to seperate tracks? If so, I would appreciate chatting and / or pointers. all the best, drew

17 years

Re: [LAU] MIDI keyboard compatability

by arisstotle.54695488＠bloglines.com

--- gnome(a)hawaii.rr.com wrote: Kjetil S. Matheussen wrote: > > > > david: > >> David Griffith wrote: > >>> On Sun, 4 Nov 2007, ANDERSON GREGORY wrote: > >>> > >>>> I am looking to buy a MIDI keyboard controller but I am > >>>> having trouble coming up with a site that has > >>>> compatibility info on it. Could someone point me in the > >>>> right direction? > >>> > >>> Any MIDI keyboard will work as long as you have a MIDI interface that > >>> works. Trickiness comes into play with USB/MIDI keyboards. Those are > >>> essentially USB/MIDI interfaces tucked into a keyboard. As > >>> previously-discussed here, USB/MIDI devices may or may not work with > >>> Linux. Roland/Edirol and Korg are two brands known to work. > >> > >> When ALSA isn't fighting over which sound card to load in which order on > >> my system, the E-MU Xmidi1x1 works just fine. > > > > In your modules settings file (mine is /etc/modules.d/alsa), set: > > I don't have an /etc/modules.d directory. I have an /etc/modprobe.d > directory. > > > alias snd-card-0 snd-<card1> > > alias snd-card-1 snd-<card2> > > etc. > > I found a file called "sound" in the modprobe.d directory. It already > had an alias setting snd-card-0 to the intel sound driver. So I added an > alias to it for the snd-usb-audio. Restarting only brought up error > messages about usb device 2,2, and killed both the USB<>MIDI adapter and > my external flash card reader. So I decided to go the other way - > renamed the sound file to something else and restarted again. Then > everything came up. > > So far, audio has been working since then, but won't really know for awhile. > > Running GNU/Debian Linux ... > > -- > David > gnome(a)hawaii.rr.com > authenticity, honesty, community > _______________________________________________ > Linux-audio-user mailing list > Linux-audio-user(a)lists.linuxaudio.org > http://lists.linuxaudio.org/mailman/listinfo/linux-audio-user > use the vendor and product IDs from lsusb and lspci to give each alsa driver an index number to make sure that each driver gets put in the same spot each boot. in my modprobe.d/alsa file I have: options snd-usb-audio index=1,2,3 vid=0x08bb,0x0763,0x0c45 pid=0x2902,0x0199,0x1 7fd

17 years

multiple inputs with wine-jack?

by Robert Persson

Before I ask my question, I've been getting behind with email as always and I haven't always thanked the people who have responded to my questions on this list. So I would like to take this opportunity to thank you to those people. Anyway, my question: Is it possible to get jack to present multiple inputs to audio applications running under wine and wineasio? The reason is that I would like to route native jack applications into a Windows DAW such as Reaper or Tracktion. For instance it would be nice to have a couple of instances of zynaddsubfx controlled by the DAW and routed back into its master mix in addition to the two soundcard input channels. Of course what would be really useful would be to have jack/wineasio inputs and outputs wrapped in a windows VST plugin, a bit like the mac-nativeVST jack in/output plugin that comes with jackosx. I believe there was some talk of such a thing at some point. Anyone know if it is ever likely to come to fruition? Many thanks Robert -- Robert Persson ireneshusband(a)gmail.com

17 years

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Linux-audio-user December 2007