Linux-audio-user November 2008

linux-audio-user@lists.linuxaudio.org

174 participants
151 discussions

by alex stone

A quick Q. A friend is building up a little linux box for testing apps. (He's putting his toe in the linux waters for the first time.) He'd like to use a cheap usb audio unit for sound. Any reccomendations, or experiences? He did mention he was looking at some sort of Behringer unit. I appreciate this is a vague Q, but he's looking for something stable, rather than cutting edge. Any help or tips would be appreciated. Alex.

16 years, 10 months

Soundproblems on Ubuntu

by rosea grammostola

I've some soundproblems on Ubuntu hardy. How does it work with the midi driver in qjackctl setup? When I choose seq and start jack, my system freezes... Should i install something or put something in my /etc/modules? When I start Rosegarden 7.2, my system freezes ('can t make connection device (can t read the message very well)) and yes qjackctl is running when I start it. When I start audacious: $ audacious Failed to load plugin (/usr/lib/audacious/Input/amidi-plug.so): /usr/lib/audacious/Input/amidi-plug.so: undefined symbol: audacious_drct_get_playing Exaille, totem vlc etc works ok. When gdm show up, I hear a beep, no ubuntu-tune after login... Real time kernel in hardy Maudio audiophile 24/96 pci Thanks in advance, \r

16 years, 10 months

The perfect distro for linux audio...

by Crypto

Hi @ll, I thought that it might be worth mentioning sidux as a distro for linux audio. I do not want to start up another of these "my distro simply is best" threads and I try to keep things outlined briefly. I know that people at ubuntu have been doing a great job in that ubuntu is a nice beginner's distro but looking at recent postings about some audio specific problems I have to say that this might well be a ubuntu made problem, caused by their attempts in making things work for ubuntu (and ubuntu only). It means that a genuine debian package might not have caused the problem but the ubuntu specific adjustments might have. There are very good reasons to have a closer look at sidux. Amongst other things: there are packages for dssi-vst, RT kernel, Rosegarden etc. which can be installed conveniently via apt-get. Sidux can be found here: http://www.sidux.com See what this distro is all about. The sidux manual is covering all important aspects of an install and there is a lively irc-based chat for immediate and helping support as well. You can browse the support forum for users named brummer and makke to get their postings about some audio packages and RT kernels. One of the most important advantages of sidux is that it is not just another distro that seeks its own way of doing but instead it is 99,9% pure debian with all of debian's advantages, including the *.deb package system. Unlike ubuntu there are only very few packages that are sidux-only specific (mostly some scripts to make life easier with the standard debian packages) and that is what makes it much more "debian compatible" than ubuntu. I have never been able to compile a kernel successfully let alone optimize it for RT operation, so it was of great relief for me to simply install it in parallel to my "ordinary" kernel. Compiling audio applications myself has ended in great frustration to me so it was a relief to see there are the packages available that I need. Regards, Crypto.

16 years, 11 months

netjack now supports compression via celt

by torbenh＠gmx.de

hi. latest jack-svn features celt support in netjack. celt is a low-latency lossy codec closing the gap between speex and vorbis. you need to d/l celt-0.5.0 from http://www.celt-codec.org and might need to execute ./autogen.sh in your jack checkout. this now makes netjack operation over internet possible, i have also improved alsa_in and alsa_out. but still need to do some testing, to make them more robust for this usecase. -- torben Hohn

16 years, 11 months

dssi-vst set path

by rosea grammostola

I've dssi-vst installed and have a dssi-vst.so in /usr/local/lib/dssi And I' ve a folder with Addictive drums /home/user/Addictive drums And a /home/jack/Addictive Drums.dll file (maybe I copied it from .wine/ somewhere...) And I've a file: /home/jack/.dssi-vst/Addictive Drums.dll.cache It complains that I've to set the right paths, where should I place the files and how set the paths? thanks in advance, \r

16 years, 11 months

Compile from svn rep

by Cassiel

Hi you all, I am experiencing a strange behaviour when compiling ardour from source using gcc-4.3 on a i386 dual core machine running debian testing. Compile process stops at g++ -o libs/surfaces/mackie/route_signal.os -c -Woverloaded-virtual -DGTK_NEW_TOOLTIP_API -DPACKAGE=\"ardour_mackie\" -DLIBSIGC_DISABLE_DEPRECATED -DDATA_DIR=\"/usr/local/share\" -DCONFIG_DIR=\"/usr/local/etc\" -DLOCALEDIR=\"/usr/local/share/locale\" -O3 -fomit-frame-pointer -ffast-math -fstrength-reduce -pipe -DARCH_X86 -mmmx -march=i686 -msse -mfpmath=sse -DUSE_XMMINTRIN -DBUILD_SSE_OPTIMIZATIONS -Wall -DHAVE_LIBLO -Ilibs -DENABLE_NLS -D_REENTRANT -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -pthread -fPIC -Ilibs/pbd -I/usr/include/glib-2.0 -Ilibs/surfaces/control_protocol -Ilibs/libsndfile -Ilibs/midi++2 -Ilibs/ardour -Ilibs/sigc++2 -Ilibs/glibmm2 -I/usr/lib/glib-2.0/include -Ilibs/surfaces/mackie -I/usr/include/libxml2 -Ilibs/libsndfile/src libs/surfaces/mackie/route_signal.cc /usr/include/c++/4.3/bits/vector.tcc: In member function ‚Äòvoid std::vector<_Tp, _Alloc>::_M_insert_aux(__gnu_cxx::__normal_iterator<typename std::_Vector_base<_Tp, _Alloc>::_Tp_alloc_type::pointer, std::vector<_Tp, _Alloc> >, const _Tp&) [with _Tp = sigc::connection, _Alloc = std::allocator<sigc::connection>]‚Äô: /usr/include/c++/4.3/bits/vector.tcc:283: internal compiler error: in compute_idf, at tree-into-ssa.c:1029 Please submit a full bug report, with preprocessed source if appropriate. See <file:///usr/share/doc/gcc-4.3/README.Bugs> for instructions. scons: *** [libs/surfaces/mackie/route_signal.os] Error 1 scons: building terminated because of errors. Furthermore, the error does not occur when compiling on my amd64 dual core machine running debian testing too using gcc-4.3. I googled around and it seems this problem could be related to fipa-* optimization options but didn't understand where fipa-* comes into play using scons... Any suggestion? regards raffaele

16 years, 11 months

wine and sound

by rosea grammostola

Hi, I'm experimenting a bit with commercial software and wine. I'm not want to use it myself but want to show my friends what is possible. I'm following this howto: http://www.davehayes.org/2007/04/27/howto-reaper-on-ubuntu-linux-with-winea… But when I start wine I get: ~$ winecfg fixme:mixer:ALSA_MixerInit No master control found on M Audio Audiophile 24/96, disabling mixer When I hit the sound tab, my system (ubuntu hardy) freezes and I've to reboot What could this be? \r

16 years, 11 months

looking for a spectrum analyzer

by cunnilinux himself

hello community, please recommend me some software spectrum analyzers for linux. /* the only thing i worked with quite a long time ago was cool edit on windoze */ thanx in advance. -- sex, bike, open source!

16 years, 11 months

Quantise a MIDI track using a second track as a template?

by shane richards

I want to lock in my terrible keyboard bass playing with drums. I also want to get the drum groove locked in to a real drummer's timing. I know on other platforms they have a thing called "MIDI Groove Templates", which are basically MIDI tracks where the rhythm data from one track is used as a quantisation base for another track. 1) Could the MIDI->MIDI quantisation perhaps be done via a mididings script? 2) To get the initial timing info, I want to take an audio track, - maybe some nice Steve Gadd or Vinnie Colaiuta drumming - and extract the rhythm to a midi file for the timing info. Would perhaps WAON be suitable for this? I'll probably answer these myself, but some group input/creativity would be welcome. - shane SavedURI :Hide URLhttp://adsfree01.mail.com/scripts/mail/compose.mail?reply=1&msg_uid=1227…

16 years, 11 months

two ubuntu questions

by shane richards

From: Dave Phillips <dlphillips(a)woh.rr.com> >Ditto for the rtirq script. Where do I put it so that it's autoloaded at >boot ? '/etc/init.d' And use "BUM" Boot Up Manager ('apt-get bum') to manage your init scripts. - shane

16 years, 11 months

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Linux-audio-user November 2008