Linux-audio-user July 2005

linux-audio-user@lists.linuxaudio.org

191 participants
230 discussions

by Kjetil Svalastog Matheussen <k.s.matheussen＠notam02.no>

Jeremiah Benham: > > When launching snd-ls I get this in a pop-up window: > > [08:30:23] dynamic-link: misc-error: file: "/tmp/fileCl5fI2.c.so", > message: "/tmp/fileCl5fI2.c.so: cannot open shared object file: No such > file or directory" > (while loading "/usr/local/snd-ls/init.scm") > ; (load "/usr/local/snd-ls/init.scm") > > at the command line it says: > > Compiling /tmp/fileCl5fI2.c > /usr/lib/gcc/x86_64-pc-linux-gnu/3.4.3/../../../../x86_64-pc-linux-gnu/bin/ld: > /tmp/ccerLFbD.o: relocation R_X86_64_32 against `a local symbol' can not > be used when making a shared object; recompile with -fPIC > /tmp/ccerLFbD.o: could not read symbols: Bad value > collect2: ld returned 1 exit status > > > What should I do? Snd-ls launches but it isn't running as it should > odviously. > Oops.... Does this work?: export CFLAGS=-fPIC /usr/local/snd-ls/snd-7/snd -noglob -noinit -l /usr/local/snd-ls/init.scm

19 years, 2 months

[linux-audio-user] demudi apt sources

by Eric Dantan Rzewnicki

[after writing this I found http://lists.agnula.org/pipermail/users/2005-June/006358.html in the agnula-users archive. many of the same points are raised, but it appears not yet corrected in the wiki.] [and now I've found and have begun reading the more recent thread: http://lists.agnula.org/pipermail/users/2005-June/006417.html still I'm wondering which of the deb lines below is correct] There seems to be some inconsistency on the agnula pages on the correct apt sources line. I want to try adding demudi to a fresh debian sarge install. Here: http://demudi.agnula.org/wiki/InstallApt it says use this: deb http://demudi.agnula.org/packages/demudi testing main and in the FAQ: http://demudi.agnula.org/wiki/DocumentsFaq#Upgradingexistinginstallations it says use this: deb http://apt.agnula.org/demudi testing main local extra Are those 2 apt sources the same? if not which is correct? These instructions from the FAQ are somewhat confusing: "* from the command line issue: # apt-get install demudi * install the tasks you are interested in. To have a look at them run: # apt-cache search demudi The task demudi installs them all." It should probably tell the user to apt-get update after editing sources.list. Also, the two statements above appear to be contradictory, or at least out of order. Installing package demudi appears to only install some pixmaps and pngs. Attempting to install any of the demudi-<foo-task> packages returns saying that it's not available and is replaced by demudi. Maybe these only work if you use taskselect? I must be missing something pretty basic here. -- Eric Dantan Rzewnicki | Systems Administrator Technical Operations Division | Radio Free Asia 2025 M Street, NW | Washington, DC 20036 | 202-530-4900 CONFIDENTIAL COMMUNICATION This e-mail message is intended only for the use of the addressee and may contain information that is privileged and confidential. Any unauthorized dissemination, distribution, or copying is strictly prohibited. If you receive this transmission in error, please contact network(a)rfa.org.

19 years, 2 months

[linux-audio-user] laptop-compatible interface?

by Matt Barber

Hello, We use an hdsp multiface on our laptop for playback and recording. It's a wonderful interface, but its connection from the box to the cardbus is a terrible liability, as the cardbus card connection is flimsy, falls out easily, and also breaks easily (we are on our third cable currently, and we may need to get a new cardbus card soon)... I'm wondering if there is any pcmcia interface at the quality level of the multiface that wouldn't have such a terrible cable connection, and which is also supported by linux. Freebob is promising, but as we understand it's not nearly at production level yet. The only other kind of thing I can think of is one of those $1000 Magma pci-to-pcmcia interfaces they use with protools, which might allow us to use a real pci device like a delta 1010, or even the hdsp with a reliable connection. They claim to be compatible with laptops running red hat 9 up to kernel 2.6.5, after which it hasn't been tested. Has anyone used something like this successfully with newer kernels/distros? Thanks, Matt Barber

19 years, 2 months

Re: [linux-audio-user] Using Linux as Bass amp

by Neal Otto Spaulding

> Date: Sat, 2 Jul 2005 11:46:40 -0400 > From: Joe Hartley <jh(a)brainiac.com> > Subject: Re: [linux-audio-user] Using Linux as Bass > amp > To: A list for linux audio users > <linux-audio-user(a)music.columbia.edu> > Message-ID: > <20050702114640.0a27768e.jh(a)brainiac.com> > Content-Type: text/plain; charset=US-ASCII > > On Sat, 2 Jul 2005 16:19:12 +0200 > Christoph Eckert <mchristoph.eckert(a)t-online.de> > wrote: > > > I just ordereed an electric bass (passive). I'd > like to > > directly plug it in into my soundcard and to use > Linux as an > > amplifier (and record it to ardour, of course). > > > > As I'm not yet familiar to basses and guitars yet, > I wonder > > what I should use for the bass. > > You're not really going to be able to do this, at > least not well. > The signal put out by the passive bass is not going > to be enough to > get a decent sound, no matter how you process it > with plugins. > > I just talked to my bass-playing son, who > recommended looking at DI > (direct input) boxes, and suggests that if you > really need to do this on > the cheap, Digitech makes a line of effects pedals > for the bass that > have both amp and mixer output jacks, and that the > mixer jack will be > OK to plug right into a soundcard. He recommends > the Bass Driver pedal, > which will give you some good sounds. If you have > an amp (either bass or > guitar), you might have an output on there that'll > do the trick as well. > > Hope this helps! > > -- > ====================================================================== > Joe Hartley - UNIX/network Consultant - > jh(a)brainiac.com > \Without deviation from the norm, "progress" is not > possible. - FZappa > Hi, This is my first post to this list (or any list for that matter) so, if something's awry, I apologize in advance. I wanted to endorse the suggestion of using a DI box to get a decent bass signal into your recording gear. I've had really good results with my bass through an inexpensive Behringer (DI-100) that runs around $35. Good luck, Neal ____________________________________________________ Yahoo! Sports Rekindle the Rivalries. Sign up for Fantasy Football http://football.fantasysports.yahoo.com

19 years, 2 months

[linux-audio-user] Realtime on 2.6.12 again

by Christoph Eckert

Hi, recently I managed to get a latency of about 16msecs on my USB device thanks to helpful people on this list (you know who you are ;-). Thihs is much better than the 48msecs I got before. I still wonder and am trying to get even less latency without xruns. Before, I used a vanilla 2.6.10 with the RT-LSM-patch applied. Meanwhile I installed a 2.6.12 with the preempt patch of INgo Molnar. Unfortunately, it didn't get better results concerning latency on my usb audio device. So I'd like to know some things: * Does a 2.6.12 with Ingo's patch require further system setup to get lower latencies, or * Should I apply futher patches and if which ones (RT-LSM has been dropped)? * What system tweaking is needed to get less latencies? Any wee small hint is much appreciated. Thanks & best regards ce

19 years, 2 months

[linux-audio-user] Mouse speed configuration & realtime restart issue

by Jerome Tuncer

I know this is not really the place to ask for it but I don't think it's worth subscribing to a new list just for this simple question. I run fluxbox on an Asus L2000D laptop. Everything is fine except that I can't set my mouse speed!! I searched the holy google but nothing turned up or the solutions didn't work ("xset m X Y" seems to only configure my touchpad and "Option Resolution x" in XF86Config-4 doesn't do anything). Anyone knows how to do that? Apart from that everything's fine except that I have to do "sudo /etc/init.d/realtime restart" everytime I want to run jack as normal user. It doesn't seem to read quite well the /etc/default/realtime when starting because this is already set to grant realtime default to all users in audio group. I run debian unstable, kernel 2.6.8.

19 years, 2 months

[linux-audio-user] Re: [ANN] Snd-ls V0.9.4.3, Mammut V0.20, Ceres V0.43 and Snd..

by Kjetil Svalastog Matheussen <k.s.matheussen＠notam02.no>

19 years, 2 months

Re: [linux-audio-user] [ANN] Snd-ls V0.9.4.3, Mammut V0.20, Ceres V0.43 and Snd RT-extension documentation updates.

by Kjetil Svalastog Matheussen <k.s.matheussen＠notam02.no>

Dave Phillips > > Please tell me more about snd-rt and CM, I'm very interested. > Hmm, well, theres no special support in CM for snd-rt,but common music (at least partly) can be loaded into SND, so you can use some of common musics functionality to schedule realtime events and control various things. I don't know CM very well though.

19 years, 2 months

[linux-audio-user] Mellotron sounds

by Brett McCoy

A little while back there was a thread about building Mellotron sound fonts, but all the links posted in that thread are dead (searched via Google). Does anyone know where these might be found? I've got this great Mellotron VST plugin but it flat out refuses to work under any of the Linux VST compatibility libraries (and the standalone version loads under Wine, but it requires ASIO to produce any sound), so am looking for something that will work under Linux. -- Brett ----------- Programmer by day, Guitarist by Night http://www.chapelperilous.net http://www.alhazred.com http://www.revelmoon.com

19 years, 2 months

[linux-audio-user] [ANN] Snd-ls V0.9.4.3, Mammut V0.20, Ceres V0.43 and Snd RT-extension documentation updates.

by Kjetil Svalastog Matheussen

***************************************************************************** 1. Snd-ls v0.9.4.3 --------------- Released 30.6.2005 About ----- Snd-ls is a distribution of the sound editor Snd. Its target is people that don't know scheme very well, and don't want to spend too much time configuring Snd. It can also serve as a quick introduction to Snd and how it can be set up. Changes from 0.9.3.0 to 0.9.4.3 -------------------------------- -Upgraded various rt-stuff. -Upgraded various rt-stuff++ -Removed jack_set_server_dir guile-binding from rt-engine.scm, because its removed from the newer versions of jack. -Updated SND to v7.14 from 19.6.2005. Many important changes. http://www.notam02.no/arkiv/src/snd/ ***************************************************************************** 2. Mammut V0.20 ------------ Mammut will FFT your sound in one single gigantic analysis (no windows). These spectral data, where the development in time is incorporated in mysterious ways, may then be transformed by different algorithms prior to resynthesis. An interesting aspect of Mammut is its completely non-intuitive sound transformation approach. Changes 0.18 -> 0.20 -------------------- -Fixed a bug in the Makefile caused by a fix in the previous release. -Fixed some bugs in the Makefile. http://www.notam02.no/arkiv/src/ ***************************************************************************** 3. Ceres V0.43 ----------- Ceres is an advanced program for displaying sonograms and for sound effects in the frequency domain. And more. Changes 0.42 -> 0.43 -------------------- -Fixed some bugs in the Makefile http://www.notam02.no/arkiv/src/ ***************************************************************************** 4. Snd RT-extension documentation ------------------------------- The realtime extension for SND makes it possible to do signal processing in realtime using guile and a special scheme-like compiled language. It has many features, as jack-support, CLM, a realtime scheduler, a compiler, busses, dynamic patching, shared variables, ladspa and more. It can also be made to work with Common Music. http://www.notam02.no/arkiv/doc/snd-rt/ --

19 years, 2 months

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Linux-audio-user July 2005