Linux-audio-user November 2005

linux-audio-user@lists.linuxaudio.org

147 participants
156 discussions

[linux-audio-user] keyboard/soundcard w. linux

by Atte André Jensen

Hi I was wondering id the edirol pcr-1 is working under linux? If not are there other 2 octave usb keys with soundcard that are? -- peace, love & harmony Atte http://www.atte.dk

19 years

[linux-audio-user] UA-25 and other USB audio options

by Peter Leigh

Hi everyone, my first post here, after a long while lurking and reading archives - so first: thanks for all the help I've already got from this list (quite a lot!) I want to do some audio stuff on my new laptop - it's an AMD-64 box with a via k8t890 / vt8237 chipset.. I'm able to get jackd at -p 64 on an unpatched 2.6.14-rc5 kernel, but I'd like a better quality soundcard. It has ExpressCard slot, but no PCMCIA, so that is out, and the firewire support looks too experimental for me just now, leaving me with USB as the only option, it seems. Ideally, I'd like to work in 64-bit mode, but I can boot into a 32-bit installation if unavoidable (32-bit is gentoo, 64-bit is slamd64 right now). After looking at the market, the edirol / roland UA-25 looks like a good basic unit for my needs (occasional mic recording, guitar input, midi) and my budget (not entirely fixed, but the ~ 150 GBP is, er, "convenient" just now..:) However I've seen some problems mentioned on this list with that card, and I'm unsure about the via usb controller on my m/b: 00:10.3 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 81) (prog-if 00 [UHCI]) [four of these, though only 3 physical ports..] 00:10.4 USB Controller: VIA Technologies, Inc. USB 2.0 (rev 86) (prog-if 20 [EHCI]) I've seen some worrying things written about the VT82xxxxx and audio. I've also looked into the UR-80, similarly priced Tascam and M-audio models, the UA-101 (more expensive, but I could just about buy that if it turned out to be a good idea), the BCA-2000 (what a shame!) and the Mindprint Trio USB (which has no midi, but looks like an interesting bit of kit - again, I could just about stretch to it - it claims to work with standard USB drivers on windows, but haven't seen any mention of it on linux-related sites..) I'd welcome any advice related to the above, in particular reports of working UA-25's on VT82xxxxx (rev 81! ;-) controllers, or strong recommendations pro or anti the other hardware I've mentioned, or indeed ones I haven't thought of.. Thanks for any contributions received! Cheers, - Pete.

19 years

Re: [linux-audio-user] Problems starting JACK...

by Carlos Pino

> > Hi,sorry about the delay of the answer,I'd been very busy. > First of all tank you very much for interesting in my message,I > couldn't imagine to have a response from the main developer of one of > the best things made for Linux-Audio,and excuse my english. > > I'm very newbie in this kind of linux tasks,and try to learn as > much as I can. > I'm trying to build my own audio-system and compile only the more > ussual apps for me;Ardour and Jack are the main core of this.By now I > take the Demudi kernel till I learn to compile my own,and compile with > succes Ardour and some other apps.Before try to compile jack I > installed it from Sid and everythings works fine but the message > that shows at the window messages, that doesn't have influence with > the normal function of jackd. > > > > Paul Davis escribió: > >> On Fri, 2005-11-11 at 17:33 +0100, Carlos Pino wrote: >> >> >>> Yeah,you are right .I complied jackd as you say and the "cannot >>> write to jackstart sync pipe 4 (Bad file descriptor)" message >>> doesn't appears anymore.Now the problem is with ardour,that >>> doesn't want to start after thhis compilation. >>> Here is the output : >>> >> >> >> my guess is that you have just committed the cardinal sin of setting up >> your system so that there are two versions of JACK installed.you >> started one, and ardour is trying to start the other. i wish we could >> detect this situation and report it more accurately, but we don't know >> how to right now. you should never ever have more than 1 JACK install on >> a machine unless you are confident that you know everything there is to >> know about JACK, and perhaps not even then. >> >> > Ok it will be present in the future. > >> when you recompiled JACK, did you remove the old version first? >> > I did many things in the procces and probably no.At the second time > I remove all about jack and try again.But if I remove the compilation > installed and do an apt-get install jackd,everything goes back to the > fine working but the "cannot write to jackstart sync pipe 4 (Bad file > descriptor)" message return. > >> what >> --prefix= argument did you give configure? >> >> > First I did --prefix=/usr and later leave blank to use the default > settings > > Now I'm at the begin again,I removed all the jack staff and have the > source code to try to compile.I will read more about this and see what > happens. > >> --p >> >> >> >> > Again thank you very much for your interest. > > Saludos from Spain > Cheers > -- Carlos. > Hi again Paul and everyone at the list,after recompile jack I'd recompile ardour and qjackctl.Everything is working better now . To compile jack I did: configure --prefix=/usr --enable-posix-shm --with-default-tmpdir=/mnt/ramfs For Ardour I did: scons PREFIX=/usr BUILD_SSE_OPTIMIZATIONS=1 USE_SSE_EVERYWHERE=0 KSI=0 For qjackctl : configure --prefix=/usr Thanks a lot. Saludos Cheers -- Carlos

19 years

[linux-audio-user] jackd has interruptions

by I. I. Ooisen

my jackd has too many interruptions. any tips on how to make it run smoother? __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com

19 years

[linux-audio-user] Ardour mixer plugins

by Marcel Karras

Hello, I have two questions abouts the ardour mixer settings. 1. I applied two patches to a guitar track and can listen to the modified signal as long as I'm not recording. What do I have to do in order to monitor the signal after having passed these two plugins? 2. Can anyone of you suggest a good rock guitar plugin setting? I'm currently using "freeverb"+"foldover distortion" - the result is okay, but somehow not enough. Thanks in advance - Marcel Karras -- ------------------------------------------------------------------------ Contact: toka(a)freebits.de karma(a)informatik.tu-chemnitz.de http://www.freebits.de http://www.tu-chemnitz.de Unix, Linux && OpenSource Student of Chemnitz University of Technology ------------------------------------------------------------------------

19 years

[linux-audio-user] Sony Rooted Kit - get yer cheque book out

by studio-64

Hi This seems to be rolling on! http://yro.slashdot.org/article.pl?sid=05/11/10/0024259 Cheers Bob Bearmusic hearmymusic.co.uk <http:www.hearmymusic.co.uk>

19 years

[linux-audio-user] Update on savihost + Vsti's under wine

by Nigel Henry

Hi Mark. Right. Here goes. This is on FC2, not Gentoo. I'll have a go on Gentoo when I get the time. Wine is version 0.9-1fc2winehq, savihost is version 1.23. I borrowed mfc42.dll from my XP install and put it in .wine/drive_c/windows/system32. Savihost.exe I put in the program files, and also put Lin-Plugs FreeAlpha synth's .dll in there. Renamed savihosts .exe to FreeAlpha, and it worked first go. Now FreeAlpha synth has a separate file for it's patches. it will only use the default patch that is on the synth But it works. I've been trying a lot of freebie synths, and notice that they use a lot of cpu. Ksim is showing, when idle, between 70 & 80% cpu useage, and yet the synth itself only shows less than 5% cpu useage. VirSyn's MicroTERA. a free synth uses 100% cpu. Not enough to freeze the mouse, and even though I did get some sounds out of it, it would not load the sound bank. Native Instruments Reactor Session One 4.0, another freebie fully operational synth. When installed, this has a .exe and a .dll. Running the .exe brings up the GUI, but the only menu item that works is the one for sample rate, so cannot connect usb midi keyboard or audio output. The .dll through savihost works fine, but again at idle, is showing 50% cpu on Ksim, and the synth is showing about 18.8%. The complete patch bank is available on this synth. Single notes play ok, but push the cpu on Ksim to about 95%. Chords push the cpu useage to 100%+ and become quite broken up. All in all, I'm very happy with the way this is going. Hardly anything worked on wine-20041019-1fc2winehq, but 0.9-1fc2winehq has certainly made more things work. One observation. I tried crystal.dll on numerous occasions, and it would not open. At that time only mfc42.dll was in the system32 directory. After installing Reactor Session One synth, and perhaps something else, more .dll's turned up in system32. I thought I'd try crystal synth again, and this time it worked. The extra .dll's are listed below. msvcirt.dll MSVCP60.DLL Msvcrt.dll Here are a few of the freebie synths I tried, and which worked ok with savihost. Triangle I & Triangle II from http://www.rgcaudio.com Interruptor Dub Siren from http://www.interruptor.ch JXPlugins JX220 from http://www.jxplugins.co.uk LFObia Mocheese from http://www.electronicscene.com/elektracidz LRsynths Trionimox from http://www.alphastrike.de Psychic Modulation Pandemonium from http://www.psychicmodulation.com Tobybear Screamer from http://www.tobybear.de LinPlug Free Alpha from http://www.linplug.com I'd be really interested in knowing why these synths use so much cpu when just lying idle. Nigel. Machine: Aiii-friend 1.3Ghz, 1GB Ram, Audigy2 soundblaster, Built-in Cyberblade i1 graphics.

19 years

[linux-audio-user] Ingo's RT patch: please tell this newbie the best jack settings

by thewade

Hello, I have given up on the mainstream Fedora 4 kernel and am trying to build 2.6.14-rt5. So far I can get it built and running, but without jack it seems. I am wondering what are the best settings for jack using Ingo's RT patch: how do I make the most of the patch? (I am trying to use CONFIG_PREEMPT_RT=y) I use qjackctl and my .jackrc is: /usr/local/bin/jackd -u -dalsa -dhw:1 -r48000 -p128 -n2 -m -H -M hw:1 corresponds to the card number from /proc/asound/cards associated with my RME Hammerfall Multiface. I may have to change my .asoundrc as in the mainstream kernel cards 0 and 1 are switched for some reason (if that is what is sotpping jackd). The only message I get is something to the effect of NTpolltime timed out, or something... My biggest question is not how to get jackd working - I will fix that. I am curious how to get PD running on my machine processing complex patches but with a latency of 5.33 msec (128 frame buffer size I think) or less. I would even settle fo 10msec (256) with no XRUNS. Thank you all for your help! -thewade

19 years

[linux-audio-user] lash-enabled sample player

by Atte André Jensen

Hi I'm the happy user of om/lash/jack. Occationally I'd like to trigger samples (multisamples would be nice, although single samples would be ok if their pitch can be altered). What are my options if I'd like to keep things session-able from lash? -- peace, love & harmony Atte http://www.atte.dk

19 years

[linux-audio-user] Vocoder

by Lorenzo Bicci

Hi everybody! I've found a software Linux vocoder (http://www.sirlab.de/linux/download_vocoder.html) which is available both as a LADSPA plugin and a standalone program. I've got an old Pentium 166MMX with 64MB RAM which is unused, and i'd like to use it as a live vocoder. It would be cool to bring it on the stage, plug a keyboard and a microphone in its audio board(s), turn it on without any display, mouse or keyboard and have it already working as a vocoder. Unfortunately I have no idea of how to make it. I don't know how to make the vocoder (plugin or standalone) start and work automatically after the boot, possibly without having to start a graphical interface (which would be heavy for the poor P166 and totally unuseful, since there's no display). Any idea about how to realise such a thing? Bye, Lorenzo

19 years

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Linux-audio-user November 2005