Linux-audio-user February 2008

linux-audio-user@lists.linuxaudio.org

143 participants
139 discussions

Re: [LAU] [Alsa-user] el cheapo soundcard search

by Frank Barknecht

Hallo, Bill Unruh hat gesagt: // Bill Unruh wrote: > > I''m looking for a cheap (50 ~ 100 euros) soundcard with: > > 6 - 8 outputs > > 6-8 outputs? Why? To drive 6-8 speakers? ;) > And why 48KHz? 44.1 is standrd CD. 48 ist standard DVD. And standard jackd. ;) CIao -- Frank Barknecht _ ______footils.org__

16 years, 2 months

el cheapo soundcard search

by cb

Sorry for crossposting Hello, since i can't find a way to search the LAU archive and the knowledge that the soundcard list is outdated, this will be my prefered way to asked the oracle ;=) I''m looking for a cheap (50 ~ 100 euros) soundcard with: 6 - 8 outputs 1 - 2 inputs 24bit 48 kHz, alsa usable any suggestions thanks c~

16 years, 2 months

ardour2/

by s s

When I want to start ardour2 I'll get @debian:~$ ardour2 WARNING: Your system has a limit for maximum amount of locked memory! This might cause Ardour to run out of memory before your system runs out of memory. You can view the memory limit with 'ulimit -l', and it is normally controlled by /etc/security/limits.conf /usr/local/lib/ardour2/ardour-2.1: error while loading shared libraries: libFLAC.so.7: cannot open shared object file: No such file or directory My /etc/security/limits.conf: @audio - rtprio 95 @audio - memlock 512000 @audio - nice -19 thanks in advance, _________________________________________________________________ Express yourself instantly with MSN Messenger! Download today it's FREE! http://messenger.msn.click-url.com/go/onm00200471ave/direct/01/

16 years, 2 months

Re: [LAU] xrun killing: ubuntu realtime kernel, layla 3g card combining ADAT and analog i/o

by Sean Corbett

> I do not know if this page could explain your troubles (I'm not sure the > info is recent): > > http://www.sound-man.co.uk/linuxaudio/kernel.html > > > Thanks, that was very informative... it all seems to be *almost* related, but not quite. A lot of the "multiple sound card problem" description seemed familiar, but my system is 32 bit, so I'm not sure how applicable that is. I have installed Alsa 1.0.16 and fixed some mistakes i made prioritizing the IRQ thread. It seems much better (the biggest difference came when correctly getting the interrupt for my card set to real time), but i still get about 5 xruns per minute at 1024 frames. cat /proc/interrupts tells me there are a couple of other devices on the same interrupt with my card... three in fact, two USB controllers and one ethernet controller... will that matter? any way to change it if so? I'm starting to think I might be out of luck... Thanks again for the help though, this has all been very educational.

16 years, 2 months

Notation formats

by Simon Williams

Hello everyone. I would like to start storing music (as in scores) in a electronic format. There seem to be quite a few of them around. I want something that's free, open, and in common use. What formats do people on this list use? Thanks in advance. Simon

16 years, 2 months

Live Performance Distro Guide

by Christian Delahousse

Hi guys, I was wondering if there was an in depth guide about linux distrobutions optimized for live music performance. So far, I haven't found much comparative info. I'm just looking for a good solution to use my laptop live for signal processing and use Max/MSP with a midi foot controller. The thing I'm worried about is my laptop's performance, so I'm avoiding bloated distros. I'll only be using this for live stuff, so I don't need any extra stuff. Thanks -Chris

16 years, 2 months

Timecode and delay calculators

by Raphaël Doursenaud

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi, Do some of you know good calculators for Timecode (SMPTE/EBU) and delay/tempo calculations/conversions? I've searched the internet for such tools and found some java apps but I'd rather prefer native softwares. If there are not, I may hack something ... someday ;) Thanks Raphaël Doursenaud -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFHrDBraZKmNAdXaVURAiNgAJ9S7pXeC24zxUSYoti4/osUNjXzxACgm67B XPHeYUJRwSJMN2se3xsMDCs= =+97l -----END PGP SIGNATURE-----

16 years, 2 months

Drum patterns

by charles.fleche＠free.fr

Hello everybody, I don't know if it's the place to ask such a question as it is not really linux related , but you guys are nice and can give good advices. I'm looking for a website / forum where I could learn the basic drum patterns of modern music. I'm no drummer, but I'd like to start playing around with Hydrogen. I can reproduce patterns from rock bands like AC/DC where the drum lines are pretty straightforward. It can be pretty difficult for other kind of music. And to be honest, knowing some basic rhythms would help me to spot them in the music I like. Thank you for any advice ! Charles

16 years, 2 months

[jack] not running

by Studio 32

Hey, I used to run jack without a problem using 64studio, but it doesn't work on Debian LEnny with the Musix 2.6.23.rt4 kernel. This are the messages: [code] Copyright 2001-2005 Paul Davis and others. jackd comes with ABSOLUTELY NO WARRANTY This is free software, and you are welcome to redistribute it under certain conditions; see the file COPYING for details JACK compiled with System V SHM support. server `default' registered cannot use real-time scheduling (FIFO at priority 10) [for thread -1210673488, from thread -1210673488] (1: Operation not permitted) cannot create engine cleaning up shared memory cleaning up files unregistering server `default' 20:23:59.176 JACK was stopped successfully. 20:23:59.176 Post-shutdown script... 20:23:59.179 killall jackd jackd: geen proces afgebroken 20:23:59.408 Post-shutdown script terminated with exit status=256. 20:24:00.748 Startup script... 20:24:00.756 artsshell -q terminate JACK tmpdir identified as [/dev/shm] 20:24:01.071 Startup script terminated with exit status=256. 20:24:01.073 JACK is starting... 20:24:01.075 /usr/bin/jackd -v -R -dalsa -ddefault -r44100 -p256 -n2 -m 20:24:01.096 JACK was started with PID=5103 (0x13ef). getting driver descriptor from /usr/lib/jack/jack_alsa.so getting driver descriptor from /usr/lib/jack/jack_dummy.so getting driver descriptor from /usr/lib/jack/jack_freebob.so getting driver descriptor from /usr/lib/jack/jack_oss.so jackd 0.103.0 Copyright 2001-2005 Paul Davis and others. jackd comes with ABSOLUTELY NO WARRANTY This is free software, and you are welcome to redistribute it under certain conditions; see the file COPYING for details JACK compiled with System V SHM support. server `default' registered cannot use real-time scheduling (FIFO at priority 10) [for thread -1210636624, from thread -1210636624] (1: Operation not permitted) cannot create engine cleaning up shared memory cleaning up files unregistering server `default' 20:24:01.115 JACK was stopped successfully. 20:24:01.116 Post-shutdown script... 20:24:01.116 killall jackd jackd: geen proces afgebroken 20:24:01.342 Post-shutdown script terminated with exit status=256. 20:24:03.146 Could not connect to JACK server as client. Please check the messages window for more info. JACK tmpdir identified as [/dev/shm] [/code] Some help is needed here... regards, _________________________________________________________________ Express yourself instantly with MSN Messenger! Download today it's FREE! http://messenger.msn.click-url.com/go/onm00200471ave/direct/01/

16 years, 2 months

Re: [LAU] [LAD] CLAM 1.2 'GSoCket plugged-in release'

by Yann Orlarey

Very impressive release ! Congratulation to the CLAM team. Yann dgarcia(a)iua.upf.edu a écrit : > We are jubilous to announce CLAM 1.2 'GSoCket plugged-in release'. > We had to wait for some months to make this release as we had to > redeploy the multiplatform release infrastructure [1]. Thus, the > feature buffer for this release is pretty full. It incorporates both, > the results of the Summer of Code [2] students work and the > involvement of David and Pau with Barcelona Media Foundation Audio > Research Lab[3]. > > We want to thank the involvement of GSoC students Hernan Hordiales[4], > Bennet Kolasinsky[5], Greg Kellum[6], Andreas Calvo, Roman Goj[7] and > Abe Kazemzadeh, Google Inc, and Barcelona Media audio lab members > for their precious involvement in CLAM. > > [1] http://clam.iua.upf.edu/testfarm/ > [2] http://clam.iua.upf.edu/wikis/clam/index.php/GSoC_2007 > [3] http://www.barcelonamedia.org/index.php/linies/10/en > [4] http://h.ordia.com.ar > [5] http://bennettdoesclam.blogspot.com > [6] http://gregkellum.com > [7] http://ro-baczek.blogspot.com > > A summarized list of changes follows. See also the CHANGES files[8] > for details, or the development screenshots[9] for a visual guided tour. > As usual binary packages for Windows, MacOSX and several flavors of Linux > are available to download. > > [8] http://iua-share.upf.edu/svn/clam/trunk/CLAM/CHANGES > [9] http://clam.iua.upf.edu/wikis/clam/index.php/Development_screenshots > > > Summary of changes: > > The most exciting feature is the new plugin system (acalvo) > which enables third party algorithms to be distributed separately > from the core binaries. LADSPA plugins support has been enhanced > and a first iteration on FAUST[10] integration. The wiki[11] contains > very nice how-to's that cover most of that. > > [10] http://faust.grame.fr/ > [11] http://clam.iua.upf.edu/wikis/clam > > Most of the GSoC work come as plugins: a SMS Synthesizer (gkellum), > a Voice synthesis/analysis (akazem) and some some cool guitar effects > (hordia). Also not included as plugins but in the main repository > several enhancements have been done on the SMS transformations (hordia) > and the tonal analysis (rgoj). > > Some interesting work has been done on the Barcelona Media Audio Lab > on having a system to simulate 3D room acoustics which can be reproduced > on several exhibition systems. Some precomputed room databases are > available to try. Check the wiki NetworkEditor Tutorial for more > information. > > Regarding the applications, Network Editor incorporates new usability > enhancements, a new on-line Tutorial and a new Spectrogram like view. > The Annotator received Bennet Kolasinsky attention improving its the > flexibility of its interface, the practical effects are multiple > segmentation and low-level descriptors panes and that we are pretty > close to visualization and auralization plugins. > > Enjoy. > The CLAM Team > > > > _______________________________________________ > Linux-audio-dev mailing list > Linux-audio-dev(a)lists.linuxaudio.org > http://lists.linuxaudio.org/mailman/listinfo/linux-audio-dev > >

16 years, 2 months

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Linux-audio-user February 2008