Linux-audio-dev October 2004

linux-audio-dev@lists.linuxaudio.org

68 participants
60 discussions

[linux-audio-dev] How to automate hdsploader on 2.6 kernel?

by ico＠fuse.net

Hi all, In the light of my upcoming presentation at ICMC, I am wondering whether it is possible to somehow automatically start hdsploader as soon as the snd-hdsp cardbus has been connected? I tried adding the snd-hdsp executable shellscript to the /etc/hotplug/pci folder but that apparently did absolutely nothing and since there is no suggested syntax for the pci.usermap file (at least not under the mandrake), I have no idea how to make hotplug aware of it. Furthermore, it seems that hotplug has very little or nothing to do with the cardbus as nowehere in the hotplug script do I find the syntax for this dmesg output: PCI: Enabling device 0000:02:00.0 (0080 -> 0082) ACPI: PCI interrupt 0000:02:00.0[A] -> GSI 17 (level, low) -> IRQ 17 Hammerfall-DSP: no Digiface or Multiface connected! card initialization pending : waiting for firmware Hence, I've been wondering what do I need to do to automate hdsploader as soon as the cardbus has been connected? I would greatly appreciate any help I can get! Best wishes, Ico

19 years, 5 months

[linux-audio-dev] [ANN] realtime-lsm-0.8.3 beta test

by Jack O'Quin

The realtime Linux Security Module is an installable kernel module that enables realtime capabilities for any 2.6 kernel without needing to directly patch the kernel. It was originally written by Torben Hohn and Jack O'Quin, who make no warranty concerning the safety, security or even stability of your system when using it. It is provided under the provisions of the GPL. We are preparing a new version of this LSM for inclusion in an upcoming 2.6.x kernel version. Special thanks to Jody McIntyre and Chris Wright for many improvements to the LSM, and to Lee Revell for patiently shepherding it through the kernel patch acceptance process. No one *needs* to use this new version, the older ones work fine. But it would help for some of you to download a beta version and try it out. Two test files are available, use either one. The first is a tarball[1] for building stand-alone, like previous LSM releases. This version no longer supports kernels earlier than 2.6.4. The second is a patch[2] for the current (2.6.10-rc1-mm2) development kernel. This patch should apply cleanly against any recent kernel since 2.6.9-mm1, and should work with some earlier ones with a little fiddling. [1] http://www.joq.us/realtime/realtime-lsm-0.8.3.tar.gz [2] http://www.joq.us/realtime/linux-2.6.10-rc1-mm2-rt2.patch.gz There are some small changes to the user interface. (*) The `allcaps' option is no longer supported. It was an unnecessary security exposure to include in standard kernel sources. Consequently, you will not be able to use the `jackstart' command with this version, unless you are running a recent CVS version of JACK (>=0.99.2). There is really no need for `jackstart' with realtime-lsm, invoking `jackd' directly works fine. (*) Recent kernels (>=2.6.9-mm1) externalize module parameters in sysfs. With this feature, realtime-lsm options can be queried and set via files in /sys/module/realtime/parameters, each named after the corresponding parameter (any, gid, mlock). Please report directly to me (i.e. mostly off-list) any problems or successes you have with this version. Thanks, -- joq

19 years, 5 months

[linux-audio-dev] LilyPond 2.4 released - print music beautifully

by Han-Wen Nienhuys

Dear music enthusiasts, LilyPond version 2.4 was released today! LilyPond is a program for making beautiful music notation. It is open source/free software, and is available for all popular operating systems. It runs on most Unix flavors --including Linux and MacOS X-- and MS Windows. Use it for your music as well! With this release, LilyPond does not rely anymore on TeX to do titling and page layout, but distributes page breaks optimally by itself to produce evenly spaced pages, while respecting user specified turning points. The slur formatting code has been completely rewritten, and now yields classical engraving quality results for most cases. In addition, version 2.4 adds fret diagrams, a safe execution mode for webserver use, a further simplified input format, better typography for ledger lines, many bugfixes and a fully revised and updated manual. Grab it at http://lilypond.org A big thank-you goes out to our contributors: Carl Sorensen David Svoboda Guy Gascoigne-Piggford Heikki Junes Hendrik Maryns Kristof Bastiaensen Mats Bengtsson Michael Welsh Duggan Peter Lutek Werner Lemberg Also thanks to our bug-hunters: Antti Kaihola, Bertalan Fodor, Brian Clements, Christian Hitz, Christoph Ludwig, Christophe Papazian, Daniel Berjón Díez, Dave Phillips, David Bobroff, David Brandon, Doug Asherman, Ed Jackson, Heinz Stolba, Jefferson dos Santos Felix, Karl Hammar, Marco Gusy, Martin Norbäck, Matthias Neeracher, Maurizio Tomasi, Michael Kiermaier, Pascal Legris, Peter Rosenbeck, Russ Ross, Stephen Pollei, Thomas Scharlowski, Will Oram, Yuval Harel, Happy music printing, The LilyPond development team, Han-Wen Nienhuys & Jan Nieuwenhuizen Core development Graham Percival Documentation Editor Erik Sandberg Bugmeister Pedro Kroeger Build meister -- Han-Wen Nienhuys | hanwen(a)xs4all.nl | http://www.xs4all.nl/~hanwen

19 years, 5 months

[linux-audio-dev] Call for Participation: ICMC 2005

by Pau Arumi

apologies for crossposting) ------------------------------------------------------------ ICMC 2005 -- Free Sound International Computer Music Conference September 5-9, 2005. Barcelona, Spain http://www.icmc2005.org/ ------------------------------------------------------------ SUMMARY OF DEADLINES Music, video, and installations -- February 5, 2005 Papers, posters, and demonstrations -- March 5, 2005 Panels, workshops and special events -- April 5th, 2005 Exhibitors -- June 5th, 2005 CALL FOR PARTICIPATION The Phonos Foundation, the Pompeu Fabra University of Barcelona, and the Higher School of Music of Catalonia in conjunction with the International Computer Music Association, is proud to announce ICMC 2005. The conference will take place in Barcelona, Spain, from the 5th to 9th of September 2005, with pre-conference workshops on September 1st and 2nd. ICMC is the pre-eminent annual gathering of computer music practitioners from around the world. Its unique interleaving of professional paper presentations and concerts of new computer music compositions creates a vital synthesis of science, technology, and the art of music. By choosing 'free sound' as this year's leitmotif, we aim to emphasise the idea of freeing sound from its current aesthetic, technical and legal confines. We wish to promote an open discussion on the extent to which sound is considered a community asset -- an asset that belongs to society and cannot be privatised. Thus, we encourage contributions that emphasise these and related topics. We invite original contributions in all areas of the computer music field in a number of formats. However, we are also open to any proposal, and encourage all submissions, including those that do not fit the categories below. We issue the following calls: * Call for music, video, and installations (deadline February 5, 2005) We invite submissions of electroacoustic music, video, and installation works that reflect the diversity of the field. Opportunities exist to combine digital resources with a variety of instrumental ensembles. For further details visit http://www.icmc2005.org/index.php?selectedPage=76 * Call for papers, posters, and demonstrations (deadline March 5, 2005) We invite submissions for papers, posters, and demonstrations examining the aesthetic, compositional, educational, musicological, scientific, or technological aspects of computer music and digital audio. For further information visit http://www.icmc2005.org/index.php?selectedPage=73 * Call for panels, workshops and special events (deadline April 5th, 2005) We invite proposals for panel sessions, workshops and special events, especially those with relevance to the conference theme of 'free sound'. * Call for exhibitors (deadline June 5th, 2005) The conference will provide a forum for the world's leading music technology companies to showcase their latest product information and for schools and institutions to highlight their educational programs. We invite submissions from interested parties. To promote the idea of 'free sound', the organisers of ICMC 2005 are setting up the Free Sound Project, a website dedicated to the sharing and usage of copyleft [1] sounds. Thus, we are making a special call for copyleft sounds with no specific deadline. For more information, visit http://www.icmc2005.org/ in the near future. For detailed information on the conference, and submission formats, visit http://www.icmc2005.org/ To keep up to date with all of the latest news and information about ICMC 2005 please subscribe to our mailing list by visiting http://www.icmc2005.org/index.php?selectedPage=64 We are looking forward to your contributions! The ICMC 2005 Team --- [1] http://www.gnu.org/copyleft/copyleft.html

19 years, 5 months

[linux-audio-dev] Linux soundapps site updated

by Dave Phillips

Greetings: The latest edition is on-line at these fine URLs: http://linux-sound.org (USA) http://linuxsound.atnet.at (Europe) http://linuxsound.jp (Japan) This update will be the last I'll do for a while, probably until sometime next year. Sorry, I just have too much going on right now. Best regards, Dave Phillips

19 years, 5 months

[linux-audio-dev] [ANN] Ecasound 2.3.4 released

by Kai Vehmanen

Hello everybody, it's again time for a new Ecasound release. Full details follow: --- 1. Summary of changes Serious bugs in multitrack sync code, ECI C implementation and big-endian platform support have been fixed. Support has been added for input and output of FLAC, AAC and M4A files. Improvements have been made to both FreeBSD and Mac OS X support. Many minor improvements to ECI implementations and user documentation. --- 2. What is Ecasound? Ecasound is a software package designed for multitrack audio processing. It can be used for simple tasks like audio playback, recording and format conversions, as well as for multitrack effect processing, mixing, recording and signal recycling. Ecasound supports a wide range of audio inputs, outputs and effect algorithms. Effects and audio objects can be combined in various ways, and their parameters can be controlled by operator objects like oscillators and MIDI-CCs. A versatile console mode user-interface is included in the package. Primary platform for running Ecasound is GNU/Linux. Ecasound can also be run on many UNIX-derived systems such as FreeBSD, Mac OS X and Solaris. Limited support for Windows is available through Cygwin. Ecasound is licensed under the GPL. The Ecasound Control Interface (ECI) is licensed under the LGPL. --- 3. Changes since last release * FLAC support added. The 'flac' tools is used for both encoding and decoding. * AAC/M4A/MP4 support added. The 'faad' and 'faac' tools are used for encoding and decoding. * Improved support for both FreeBSD and Mac OS X. Ecasound should now compile out-of-the-box on recent releases of these systems. * A critical bug was fixed in multitrack-offset calculation code. This bug was triggered by ALSA devices that limit playback period count to two (for example rme9652 and cs4281). * Minor fixes to both mp3 and ogg input support. * Many improvements to the C ECI implementation: Bug which caused losses of sync between clients and the engine was fixed. Float return values are now returned with higher precision. These improvements affect all ECI implementations that are based on libecasoundc (Perl, Python, PHP interfaces). Full list of changes is available at <http://www.wakkanet.fi/~kaiv/ecasound/history.html>. --- 4. Interface and configuration file changes None. --- 5. Contributors Patches - Accepted code, documentation and build system changes Jesse Chappell (5) -- Bugfix to sync-loss problem in C ECI impl, improvements to libsndfile support and other bugfixes. Sean Bolton (1) -- MacOS X compability patch Adam Linson (1) -- ecasound-iam(1) update Kai Vehmanen () -- various Bug Hunting - Reports that led to bugfixes (items closed) Eric Dantan Rzewnicki (2) -- bugs in FLAC support, manpage errors Jesse Chappell (1) -- Bugs in C ECI impl. Winkler Paul (1) -- error in engine state after 'run' Feature suggestions - Ideas that led to new features (items) Didier Bellamy -- AAC input/output support --- 6. Links and files Web sites: http://www.eca.cx http://www.eca.cx/ecasound Source packages: http://ecasound.seul.org/download http://ecasound.seul.org/download/ecasound-2.3.4.tar.gz md5sum: 4d8e319b6c231acfe4884cc24114cace Distributions with maintained Ecasound support: See http://www.wakkanet.fi/~kaiv/ecasound/download.html -- http://www.eca.cx Audio software for Linux!

19 years, 5 months

[linux-audio-dev] [ANN] TimeMachine 0.3.0

by Steve Harris

http://plugin.org.uk/timemachine/ Timemachine is a JACK app for recording sounds that have just happened. It can also be used as a generic JACK sound recorder. Read the website for more retails. This version adds: Interactive command line mode by Mario Lang (no X11 needed) Generates WAV as well as W64 files, extension is now right Can specify JACK ports to connect to on the command line Enjoy, Steve

19 years, 6 months

[linux-audio-dev] icmc2004--Coral Gables,Florida

by guerrier

WORKSHOP 1: REAL-TIME SYNTHESIS AND AUDIO PROCESSING USING PD Miller Puckette, University of California at San Diego, USA Sunday, October 31, 1:00 PM - 3:30 PM USD 40 / EUR 32,50 Pure Data (Pd), available for Mac, Windows, and linux, offers real-time audio processing and synthesis, a Max-like GUI, and a very high degree of integration between control, audio, video, and I/O operations, in an extremely light package. This workshop, intended for people familiar with software synthesis but not assuming any particular technological background, will show what Pd is like and how to get started with it. Time permitting, the more shown. Miller Puckette was the top scorer in the 1979-1980 William Lowell Putnam Mathematics competition and was awarded Putnam and NSF fellowships to study mathematics at MIT and Harvard, where he finished his Ph.D. in 1986 under Andrew Gleason. From 1979 through 1986 Puckette also studied computer music with Barry Vercoe at the MIT Media Lab. He then joined IRCAM in Paris, where he wrote the Max graphic programming language, which has become the lingua franca of live computer music. In 1994 Puckette joined UCSD where he is now professor of music and associate director of the Center for Research in Computing and the Arts. Puckette's research interests include human-machine interaction strategies and real-time audio and video processing. http://www.icmc2004.org/

19 years, 6 months

[linux-audio-dev] ANNOUNCE: Polypaudio 0.6

by Lennart Poettering

Hi! I am happy to announce polypaudio 0.6. Chnages: - TCP wrappers support - don't load the complete sound file into memory when playing back using pa_play_file() - autoload API changes; - don't load all sound files as FLOAT32 - shorten default buffers - client-side latency interpolation - add new user volume metrics - add module-tunnel, module-null-sink, module-match and new tool paplay - new API version macros - many client API improvements - correctly lock cookie file generation - correctly lock daemon autospawning - print daemon layout to STDERR on SIGHUP - new options for pacat: allow sample type specification In related news: I released gst-polyp 0.1, the first incarnation of a polypaudio driver for GStreamer: http://0pointer.de/lennart/projects/gst-polyp/ Lennart -- name { Lennart Poettering } loc { Hamburg - Germany } mail { mzft (at) 0pointer (dot) de } gpg { 1A015CC4 } www { http://0pointer.de/lennart/ } icq# { 11060553 }

19 years, 6 months

[linux-audio-dev] new Quick Toot on-line

by Dave Phillips

Greetings: The Quick Toot series has acquired another fine tutorial, this one from Ron Parker. It's all about "loud" mastering, you can find it and read all about it here: http://www.djcj.org/LAU/quicktoots/toots/Loudness/ Thanks Ron ! Best regards, dp

19 years, 6 months

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Linux-audio-dev October 2004