Linux-audio-dev

linux-audio-dev@lists.linuxaudio.org

3 participants
7520 discussions

[linux-audio-dev] Cross compiling the kernel

by Lee Revell

Hello, All I am trying to do is compile an x86_64 kernel on i386 machine. It dos not work: $ ARCH=x86_64 make oldconfig <no errors> $ ARCH=x86_64 make CHK include/linux/version.h SPLIT include/linux/autoconf.h -> include/config/* CC arch/x86_64/kernel/asm-offsets.s arch/x86_64/kernel/asm-offsets.c:1: error: code model 'kernel' not supported in the 32 bit mode make[1]: *** [arch/x86_64/kernel/asm-offsets.s] Error 1 make: *** [prepare0] Error 2 What gives? Do I need a different compiler to build for x86_64? Shouldn't this Just Work? Lee

20 years

[linux-audio-dev] Proffessionals?

by james＠dis-dot-dat.net

Hi everyone, Can anyone give me any examples of Free audio software being used by professionals? Anywhere where it performs better, or simply doesn't cost two or more body parts to use? Quick answers get bonus points. James -- "I'd crawl over an acre of 'Visual This++' and 'Integrated Development That' to get to gcc, Emacs, and gdb. Thank you." (By Vance Petree, Virginia Power)

20 years

[linux-audio-dev] Replacement for my M-Audio Audiophile USB

by Richard Smith

After several frustrating weeks playing with my Audiophile USB I'mgoing to punt and get something else. For the archives: ALSA users interested in high-end capture should_not_ buy this device.(FWIW it sucks in windows too) - Its only a USB 1.1 device and 24bit 96k is half-duplex only.- Its (almost) S24_3BE so you have to use plughw or jackd has to bepatched to use it. I say almost because the few times I did get thecard to record something I had to reorder the byte data to get it notto sound like white noise.- As of ALSA 1.0.10 capture is broken. So I'm looking for a replacement. I bought this card because it had areally good recording specs (I just missed the half-duplex part) and Idont' need a pro-multi channel since all I'm tyring to do is recordLPs to CD. Can someone recommend a 24bit 96kHz full-duplex card that they thinkhas good enough recording specs for LP's that not going to cause me topull all my hair out trying to work with ALSA. --Richard A. Smith

20 years

[linux-audio-dev] ANN: "Modern Computer Music and DSP Programming Tools" Workshop in Mainz/Germany

by Albert Graef

Dear LAD'ers, our Department of Music-Informatics at the Johannes Gutenberg University of Mainz is organizing a little workshop with introductory courses on Faust, SuperCollider and Q by Yann Orlarey (Grame, Lyon), Stefan Kersten (TU Berlin) and me. The workshop is sponsored by the "Interdisciplinary Working Group of Music and Arts Informatics" of the Johannes Gutenberg University, so it's free, and takes place at the Institute of Musicology (Philosophicum, Jakob-Welder-Weg 18 on the campus) on Tuesday, Dec 20th 2005, from 14:00 h to 18:00 h. If you'd like to participate, then please *please* register (just mail me at Dr.Graef(a)t-online.de or my secretary, Mrs. Felicitas Volke, at volke(a)uni-mainz.de). Registration is free but mandatory, as we can only accommodate a limited number of participants. If you register, please also indicate whether you can bring your own laptop, as the Linux PC and MIDI equipment available for the workshop is even more restricted than the amount of available chairs, coffee and Christmas cookies. ;-) More information can be found in the attached text file. Information on how to find us on the campus is available at http://www.uni-mainz.de/zentral/75.php. You can also contact me at Dr.Graef(a)t-online.de if you have any further questions. Please feel free to pass this around to your friends, colleagues and other mailing lists as you see fit. Cheers, Albert Graef -- Dr. Albert Gr"af Dept. of Music-Informatics, University of Mainz, Germany Email: Dr.Graef(a)t-online.de, ag(a)muwiinfa.geschichte.uni-mainz.de WWW: http://www.musikinformatik.uni-mainz.de/ag Workshop Modern Computer Music and DSP Programming Tools Location: Johannes Gutenberg-Universität Mainz, Philosophicum, Jakob-Welder-Weg 18, Alter Fakultätssaal (Room P 01-185) Date: Tuesday, Dec 20th 2005, from 14:00 h to 18:00 h Workshop language: English The number of participants is limited, (free) registration is required. Registration: Tel.: +49 (0)6131 3925142, Email: volke(a)uni-mainz.de Programme: 14:00 h Albert Gräf (University of Mainz): Functional Multimedia Programming with Q 15:00 h Yann Orlarey (Grame): FAUST Coffee Break 16:00 h Stefan Kersten (Technical University of Berlin): SuperCollider 18:00 h End 14:00 h Albert Gräf: Functional Multimedia Programming with Q This presentation gives a hands-on introduction to the equational programming language "Q", and some of its facilities for multimedia programming. Q can best be described as a kind of modern-style "functional scripting language." Q's multimedia library comprises interfaces to Grame's MidiShare and Faust, as well as an OSC-based SuperCollider interface, and thus provides the necessary tools to create advanced computer music applications in the context of a very-high-level, non-imperative programming language. Albert Gräf is head of the Dept. of Music-Informatics at the Institute of Musicology of the Johannes Gutenberg University Mainz. His research interests include the mathematical theory of music and advanced functional programming tools for computer music and other real-time multimedia applications. 15:00 h Yann Orlarey: FAUST FAUST (Functional AUdio STreams) is a programming language for real-time signal processing and synthesis that targets sample-level high-performance signal processing applications and audio plugins. FAUST proposes an innovative approach to signal processing that combines two programming models: functional programming and block diagram composition, in a highly structured textual syntax that can be compiled into efficient C/C++ code. The presentation will give an overview of the main features of the language and its compiler through several simple and practical examples. Composer and researcher in computer music, Yann Orlarey is currently the Scientific Director of Grame - Centre National de Création Musicale in France. His main research interests are music programming languages, with a particular focus on lambda-calculus and functional programming, and real-time distributed systems. He is the author and co-author of various musical softwares and systems including MidiShare. 16:00 h Stefan Kersten: SuperCollider SuperCollider is a real-time synthesis engine and object oriented composition language. This course introduces the architecture and the working environment on OSX and Linux and provides an introduction to basic synthesis techniques and sequencing strategies. Stefan Kersten (*1978) is currently studying communication and computer science at the Technical University of Berlin. He has ported SuperCollider to Linux and is the author of SCUM, SuperCollider's GUI module for Linux. He uses SuperCollider for most of his projects in research and music.

20 years

[linux-audio-dev] 2.4.x patches?

by Tim Goetze

http://www.zip.com.au/~akpm/ (and schedlat.html below it) seems to have gone 404. Is anyone out there mirroring it? Thanks, Tim

20 years

[linux-audio-dev] RELEASE jack-audio-connection-kit-0.100.7

by Taybin Rutkin

Minor bug fixes since last release. Notable changes: * Attempt to let client timeout option work again on realtime mode * Let jackd quit gracefully when USB soundcard or power cable is unplugged * Better support for US428 USB soundcard * SSE/E3DNow mixing support. Disabled by default. Enable with -- enable-dynsimd JACK is available at http://jackit.sf.net and our new website http:// jackaudio.org.

20 years

[linux-audio-dev] jack_callback <-> rest of the world

by Richard Spindler

Hi, I have two questions concerning the jack callback, 1. what is the preferred way of feeding data from disk to the callback? Is there a general design pattern agreed upon? Best Practices? 2. What is the preferred way to notify the non-realtime thread that something happened in the jack-callback? A condition variable? How to avoid blocking? How do you do it? I read the tutorial at http://userpages.umbc.edu/~berman3/ , it uses mutex+condition, is it okay to do this? Are there better ways? thx -Richard

20 years

[linux-audio-dev] more on my tascam problem...

by Arnold Krille

Hi all, some weeks ago I sent some mails ranting about problems getting my tascam us-122 to run on a turion64 running gentoo. As time has gone and new kernels arrived I have reached a state where I can play (synths, effects, ardour, etc) and "record" ie. sent the incoming audio to effects and back out. But: If I want to record to disk I get the same old error (should not be here with counts=0) again and sound stops completely. The computer freezes if I try to restart jackd... Some tests showed that this doesn't happen if I record into ram (using /dev/shm to save the recordings). I modified the driver to give some more debug and to not stop at the first error (see the attached usbusx2yaudio.c for details) but still after some more function-calls the driver stops working. Sadly there isn't much documentation in the source so I am a bit lost there. Can someone give my some hints? Thanks in advance, Arnold -- visit http://dillenburg.dyndns.org/~arnold/ --- Wenn man mit Raubkopien Bands wie Brosis oder Britney Spears wirklich verhindern könnte, würde ich mir noch heute einen Stapel Brenner und einen Sack Rohlinge kaufen.

20 years

[linux-audio-dev] Re: [admin] attention gmail users [...]

by lazzaro

On Dec 1, 2005, at 9:05 AM, linux-audio-dev- request(a)music.columbia.edu wrote: > > it seems that gmail has an unfortunate default setting that some > people > are not aware of... gmail users, please fix your settings! To be specific, in Settings, choose the "use UTF-8" option for "Outgoing message encoding" on the General page. --- John Lazzaro http://www.cs.berkeley.edu/~lazzaro lazzaro [at] cs [dot] berkeley [dot] edu ---

20 years

[linux-audio-dev] [admin] attention gmail users: please fix your message format!

by Joern Nettingsmeier

hi everyone! lately there are a number of gmail users filling up the moderation queues with "message has a suspicious header" bounces. this is almost always due to people trying to send non-text/plain content, which for a number of very good reasons is banned on linux-audio-*. it seems that gmail has an unfortunate default setting that some people are not aware of... gmail users, please fix your settings! best, jörn

20 years

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Linux-audio-dev