Linux-audio-user January 2006

linux-audio-user@lists.linuxaudio.org

193 participants
189 discussions

[linux-audio-user] Why do I get this "static and tunnel effect. Demudi, Eidrol UA-20

by james scott

I'm lost. Been lurking here for couple of months learned a lot of stuff. Thanks, really. Now the problem. I am getting this "tunnel effect" and a sort of static sounding break up when I run my mic/pre-amp thru the computer. Computer is new, Asus MB (Sis), Intel 3 ghz IA64 processor (was cheaper at the time) gig 'o' ram ATI 128meg video (I forget which one) SATA drives. Demudi distro. Other possibly (and I hope explainable) weirdness: Using the onboard SIS sound card plays CD's great. When I recorded (CAD Condesor mic, Bellari pre-amp) in Ardour I got this sort of loud hum that seemed to absorb the center of the display wave. Lot's to learn. You can tell I am a newbie to recording. This is my first venture in to this realm. When I hook directly through the amp it sounds great. As soon as I try to go thru the computer I get this tunnel effect and sort of static that surrounds each word you speak through the mic. Like an overload is going on somewhere. Tried a Eidrol UA-20 and the effect was more noticable and could not make CD's play. Note that I got the same tunnel effect using a Shure mic with no pre-amp. No newcomer to NIX systems though having trouble keeping up with the configuration changes in Linux. Was easier in the begining days was more UNIX like. I do believe that the issue is in the computer. That there is some setting that I do not know about and cannot find. Another question is: When using the onboard sound card aumix is available. When using the Eidrol no mixer is available. Why? Is it because there is no mixer setting available on the Eidrol? Another point worthy of note: When I use the alsa debug on the Debgian menu and play a wav (without jack running) It sounds perfect. When I try to play a wav through jack with the same (and jack is running) I get a message that jack plumbing does not exist. It's there. Something is just not lined up right here and I just cannot find it. Thanks for your patience, James __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com

20 years

[linux-audio-user] notation

by Aaron

HI all, I am new to the list. I am a denemo user and am curious if anyone out there is using denemo. If yes what version, if no have you tried it. Thanks Aaron

20 years

Re: [linux-audio-user] [ANN] chuck + more @ dorkbot NYC on

by Ge Wang

> From: mik <mprims(a)skynet.be> > > it would be even more fun, if it were available for linux. ChucK is available for linux: http://chuck.cs.princeton.edu/release/ The Audicle prototype is not yet available for linux (only OSX and win32). It builds and runs on linux, and will be released for all platforms including linux when we release the source in a few months. Best, Ge!

20 years

[linux-audio-user] [ANN] chuck + more @ dorkbot NYC on Feb 1st

by Ge Wang

Greetings, ChucK/Audicle will be presented as part of the next dorkbot-nyc on Wednesday, February 1st. If you are interested in finding out more about the latest in ChucK/Audicle (or about Anton Perich's painting machine or Carrie Dashow's recent works) this should be a fun event to attend if you're in the area. In all, there will be three presentations on very different topics/works. Perhaps we will see you there. http://dorkbot.org/dorkbotnyc/01.feb.2006/ Thanks! Best, Ge!

20 years

[linux-audio-user] amd64 jackd crash report

by cdr

runs for a few minutes, then *boom* - heres a backtrace: **** alsa_pcm: xrun of at least 0.585 msecs Program received signal SIGFPE, Arithmetic exception. [Switching to Thread 49156 (LWP 14497)] #0 0x0000000000406592 in ?? () #1 0x00002aaaac332cae in alsa_driver_listen_for_clock_sync_status () from /usr/lib64/jack/jack_alsa.so #2 0x00002aaaaabc99b1 in jack_driver_nt_init () from /usr/lib/libjack.so.0 #3 0x00002aaaaae65bec in pthread_start_thread () from /lib/libpthread.so.0 #4 0x00002aaaaae65ca3 in pthread_start_thread_event () from /lib/libpthread.so.0 #5 0x00002aaaab1b0673 in clone () from /lib/libc.so.6 #6 0x0000004000000002 in ?? () generally similar to this, but not always the same, depending on the combination below: jackd 0.99 or 0.100.7 gcc 3.4.5 or 4.0.2 or 4.1.0 linux vanilla-2.6.15 or gentoo-2.6.15 (-ingo randomly freezes on one, and reboots during boot on the other) AMD a64-3000+ or turion mt-37 audio: ac'97 or echoaudio i probably havent tried ALL the combinations - proably 80% of them. some time if im feeling motivated i'll do a full -g recompile of everything.. in case that might provide more clues. i just figured i should be able to get at least one of the two machines working right. but after excessive dragon-chasing have resigned to defeat.. even if jackd didnt crash, its not like my favorite audio apps pd or chuck would work right yet :) oh, i can play mp3s in amarok thru XINE fine btw..

20 years

[linux-audio-user] multiple audio inputs

by Hans

Hello, What is the cheapest solution to get multiple line-inputs to my Audigy I card? Apart from an external mixer panel I can't find any. Suggestions? I need at least three sources to connect to the line-in on the Audigy. Cheers, Hans

20 years

[linux-audio-user] Why does JACK crash on me?

by mlang

Hi. On Debian AMD64, with jackd 0.100.0, jackd crashes more or less randomly with a floating point exception, and I have these messages in dmesg, note that the addresses are always the same. Does anyone else see these kind of hickups? jackd[6508] trap divide error rip:4061a0 rsp:418f2110 error:0 jackd[6582] trap divide error rip:4061a0 rsp:418f2110 error:0 jackd[6606] trap divide error rip:4061a0 rsp:418f2110 error:0 jackd[6786] trap divide error rip:4061a0 rsp:418f2110 error:0 jackd[6890] trap divide error rip:4061a0 rsp:418f2110 error:0 jackd[6922] trap divide error rip:4061a0 rsp:418f2110 error:0 jackd[6946] trap divide error rip:4061a0 rsp:418f2110 error:0 -- CYa, Mario

20 years

Ladspa GUIs (Was Re: [linux-audio-user] Acid type program

by Kjetil S. Matheussen

Reuben Martin: >> (Why hasn't anyone made a ladspa plugin with a GUI by the way? Its >> really simple just spawning of a gui process program.) >> > >Because you have no way of knowing if the platform you are running it > No no, you misunderstand. I said "spawning of a gui process" (I should rather have said "spawning off a gui process", but I didn't. :-) ). Well, I guess the question was more retorical. I personally think reason is that linux programmers aren't that much into bells and whistles as windows programmers. >on will have support for the toolkit needed by the GUI. It would be >nice to append the LADSPA spec to allow for a simple markup language >to describe the GUI, and then depend on the host to render that markup >language into a GUI. It would make it toolkit independent. No, that would not be nice at all. Far too complicated for the hosts, and guis would be different from host to host, and limited by the markup language What would be nice was if we used a common gui-designer like qdesigner or glade, so that someone could make an automatic gui-spawner library that used the xml-files from qdesigner or glade to make guis. That way, anyone could make/edit gui's quite easely. The idea was proposed some years ago, but no one has picked it up. Its not much work to do, but I guess no one has got the time. It must be a community project as well, because it would be useless if no one bothered to make guis for the various plug-ins or the hosts didn't support it. (well, the host-problem could be fixed automatically by making a wrapper ladspa plugin, but its not the ideal solution)

20 years

[linux-audio-user] I'm lost or the tunnel effect.

by james scott

20 years

Re: [linux-audio-user] favicon

by Rui Nuno Capela

Hi, I have just found something that I've drawn some time ago which I think is exactly what has been suggested recently. (on attach: linux-audio-favicon.ico) Enjoy. -- rncbc aka Rui Nuno Capela rncbc(a)rncbc.org

20 years

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Linux-audio-user January 2006