Linux-audio-user October 2003

linux-audio-user@lists.linuxaudio.org

112 participants
140 discussions

by Edouard Chalaron

Hi there, I am looking for a way to improve the sound from an old VHS tape. The tape has been played an played and played.... the osund has now some fluctuations that I'd like to get rid of. I know how to use SOX, GWC or Audacity but do not have the knowledge about sound processing. Bcast 2000 seems to have useful tools as well, but really it's above what I know (apart from gain and LPF). So if anybody has a link, an idea, a trick, anything will do at this stage :-) Thanks a lot Edouard

20 years, 7 months

[linux-audio-user] Problem with ess1938

by Davide Morano

Hi all, someone know this error: # modprobe snd-es1938 /lib/modules/2.4.20-20.9/kernel/sound/pci/snd-es1938.o: init_module: No such device Hint: insmod errors can be caused by incorrect module parameters, including invalid IO or IRQ parameters. You may find more information in syslog or the output from dmesg /lib/modules/2.4.20-20.9/kernel/sound/pci/snd-es1938.o: insmod /lib/modules/2.4.20-20.9/kernel/sound/pci/snd-es1938.o failed/lib/modules/2.4.20-20.9/kernel/sound/pci/snd-es1938.o: insmod snd-es1938 failed Please can you have some suggestions ? My system have RedHat 9.0 with kernel 2.4.20-20.9 and the soundcard is ESS1969 Many thanks, -- Davide Morano Q-Lab Team Wind Telecomunicazioni Davide.Morano(a)mail.wind.it http://wwww.libero.it

20 years, 7 months

[linux-audio-user] Echo Audio

by Austin Acton

Does anyone on this list have an Echo card installed in their machine? (Gina, Darla, Mia, etc...) If so, could you email me the output of lspci -v please? It would be greatly appreciated. Austin -- Austin Acton Synthetic Organic Chemist, Teaching Assistant, Ph.D. Candidate Department of Chemistry, York University, Toronto MandrakeLinux Volunteer Developer, homepage: www.groundstate.ca

20 years, 7 months

Re: [linux-audio-user] recording delay in Ardour...

by Taybin Rutkin

Yes, I would say that is a latency issue. On the other hand, since Ardour is multi-threaded, the GUI degrades gracefully. So it might have started recording even though the record button hasn't popped back. Taybin -----Original Message----- From: Aaron Trumm <aaron(a)nquit.com> Sent: Oct 6, 2003 9:16 PM To: linux-audio-user(a)music.columbia.edu Subject: [linux-audio-user] recording delay in Ardour... hello - I think this is a simple question - right now when I record into ardour, there's dang near a half second delay before it actually spits it back out - that delay is reflected in the recording, too - I didn't THINK this was happening yesterday... is this a latency thing? I know I haven't maximized my latency, I'm running the redhat kernel from planet ccrma, not the actual planet ccrma kernel and when I check to see if low latency is turned on, I find that I don't even have a low latency patch :) the weird thing is I SWEAR is wasn't happening yesterday :) -- -------------- Aaron Trumm NQuit www.nquit.com --------------

20 years, 7 months

[linux-audio-user] M-Audio Ozone

by Nathaniel Gray

Hi folks, I'm starting to think that the M-Audio Ozone is just the thing for me since I want to play with both instrument recording and soft synths, and I don't have much room to spare. Does anybody know how well this gizmo works with Linux? Any details are appreciated! Thanks, -Nathan -- >>>-- Nathaniel Gray -- Caltech Computer Science ------> >>>-- Mojave Project -- http://mojave.cs.caltech.edu -->

20 years, 7 months

[linux-audio-user] Funky wav file format 674f

by Pete Bessman

So I got a bunch of samples lying around from my FruityLoops days, and I want to make use of 'em. The catch is, they're not standard PCM encoded WAV files. While they are waves, they use format '674f', and I can't figure out exactly what it is. XMMS can play it, sox doesn't know what to do with it, and I've grepped the crap out of libsndfile and libaudiofile and haven't found reference to it. Anybody know anything about this? I'm about to go through the XMMS sources, so my post here might be premature, but any and all leads will be appreciated. Peace, =Pete -- You can only run configure at the top level of the Ardour source tree. You don't want to know why this is true. Don't try to work around it.

20 years, 7 months

[linux-audio-user] Information on using LADSPA plugins

by Paul Berry

Greetings all: I am trying to learn about the LADSPA plugins. I have downloaded and installed the ladspa_sdk, read the ladspa.h header file and read Dave Phillips article on the O'Reilly network. I've also added the CMT plugin library. Okay, so I've got my plugins but I need some helping making them go. I don't really understand how they work. I am trying to learn about them in a console environment, that is to say just by themselves (if that is possible, maybe that is part of the difficulty). I understand the basics of the C language and the Linux operating system but most of the information I have found seems to cover developing plugins and consequently goes right over my head. Lets say I wanted to use the sine.so plugin from the sample library to play a continuos pitch from my sound card, how would I do that? I'm confused by the need of an input file for this as I see the sine.so plugin as the source. Can the output file be a dev file? How about using the ALSA hw plugin hw:0,0 as the output, how would I do that? I've read the ALSA library documentation about plugins and LADSPA but again it goes right over my head. Anyway, I though I'd ask these questions to this list and see what came of it. I'm using recent ALSA drivers, with a 2.2.20 kernel on a very old computer (hence the desire to learn about the plugins from the console). Thank you in advance for any consideration and advice. Sincerely, Paul

20 years, 7 months

[linux-audio-user] Re: prebuilt tools/mp3 vs. etc..

by Jonathan Segel

> >On Friday 10 October 2003 23:12, Jan Depner wrote: > You work on code for supercollider? Interesting. A close friend of > > mine was working on that before it got shut down. PhD in particle >> physics. Worked at Fermi Lab prior to that. He uses Linux now as do > > I. What, exactly, was your point? oh no! I mean SuperCollider the music language app. look at http://www.audiosynth.com and help make the linux port of SC server! http://sourceforge.net/projects/supercollider/ as to my original point, it's mostly being summed up in the other thread of mp3 vs. ogg etc... >Matthias writes: >Well spoken! I think this is not only related to ogg, it's related to most of >the technology in the linux audio scene. We need to show people that it can >actually be used to create great stuff. > >IMPO Linux audio isn't ready for the average Windows/Mac-user, but there is originally, I wrote to respond to questions regarding a lack of prebuilt tools, a small user base, etc. I was giving my perspective as an educated, experienced studio and computer music user, but coming from the professional and academic worlds wherein we all used Macintosh. My point was that I was excited by the prospect of learning morel, being on the cutting edge, being in the community of Linux users, but that, even as an experienced user, I was finding it very very difficult to make the transition, but I thought it might be intersting to understand why I was learning linux. The philosophizing came in the form of questions like: "is it a good thing or a bad thing to be an elite group of users?" "do linux audio users want to exist as part of a specifically educated group or to make it useable by joe-reason user?" basically pointing out that when you become so far inside a specific knowledge base it is sometimes hard to see how opaque it may appear from outside --cf. improv or avant-garde music cliques... I was just poking the hornet's nest, as usual. please don't take this sort of response as complaining! I am really happy with the available sounds and software and you can expect a note somewhere on any releases i make from now on that linux was used. -- _________________________________________________________________ Jonathan Segel -- MAGNETIC -- PO Box 460816 S.F. CA. 94146-0816 4014 Brookdale Ave. Oakland, CA 94619 jsegel(a)magneticmotorworks.com <-----> magsatellite(a)yahoo.com http://www.MagneticMotorworks.com tel (510) 534 7825 cell (510) 484 7415 fax (425) 955 4495

20 years, 7 months

[linux-audio-user] audiophile 2496 - spdif in

by jordan muscott

Hi all, To be honest I'm posting this before investigating all possibilites myself, but i'm fast approaching the 'hugely frustrated stage'. How do I enable the spdif input on my audiophile 2496, please? A bit of googling suggested I should change the line in /usr/share/alsa/cards/ICE1712.conf from slave.channels 10 to slave.channels 20 which should enable input (and disable output since you can't have both at the same time on this card.) Correct? I'm looking at the envy24control mixer settings, and I've unmuted the spdif input channels and turned up the sliders, but no input is showing on the meters. Is there anything else I should be doing? I haven't got an .asoundrc, should I? thanks, Jordan.

20 years, 7 months

[linux-audio-user] decent (abstract ?) sequencer for use with pd ?

by Jan Baumgart

hi fellow linuxicians ! Is there any sequencer out there, that is able to control abstract musical paramenters (simply numbers, so to speak :) for synth-systems like pd, beast etc... there may be some fine midi sequencer, but sometimes note-on /offs on a 32-grid just ain't enough to control something like grain-loop machine, or whatever.... I'm having something in mind, what could be something like a OSC(open sound control) sequencer...with programmable event/signal templates like /start or /stop ... and nifty curve-based drawing tools, like those found in sequencer with decent automation-handling (eg. logic,protools,...) I'm just wondering if there's anything like that out there or maybe a fitting (sequencer) develompent-library.. cheers ! jan. -- NEU FÜR ALLE - GMX MediaCenter - für Fotos, Musik, Dateien... Fotoalbum, File Sharing, MMS, Multimedia-Gruß, GMX FotoService Jetzt kostenlos anmelden unter http://www.gmx.net +++ GMX - die erste Adresse für Mail, Message, More! +++

20 years, 7 months

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Linux-audio-user October 2003