Linux-audio-dev November 2004

linux-audio-dev@lists.linuxaudio.org

95 participants
87 discussions

[linux-audio-dev] libsndfile-1.0.11 and SD2 files

by Erik de Castro Lopo

Hi all, A new version of libsndfile was released just yesterday. I normally don't announce new versions here, but this release has one new feature which requires a bit of a special mention. With this release, libsndfile now supports the Sound Designer II file format as used by Apple Macintosh audio programs like Protools and Digital Performer. There are a couple of caveats with this format as described here: http://www.mega-nerd.com/libsndfile/FAQ.html#Q013 I now also have a Gnu Arch (like CVS but better) repository and there are some very brief instructions for accessing it here: http://www.mega-nerd.com/libsndfile/development.html I hope to expand that page in the near future. Cheers, Erik -- +-----------------------------------------------------------+ Erik de Castro Lopo nospam(a)mega-nerd.com (Yes it's valid) +-----------------------------------------------------------+ I have found that good programmers either do not make the kind of mistakes that Ada can prevent, or insert enough checks that they catch those mistakes about as efficiently as an Ada environment can. At that point, the use of Ada gives no further productivity advantage.

19 years, 5 months

[linux-audio-dev] RE: [OT] Wired GPL Audio/MIDI sequencer

by Kjetil Svalastog Matheussen

Mathias Lundgren: > sön 2004-11-14 klockan 02.21 skrev Ivica Ico Bukvic: > > > According to the website, LADSPA will not be supported because of UI > > > issues. > > > > While we're talking about LADSPA UI stuff, has there been any progress on > > this matter? News like this one obviously point to the LADSPA's currently > > greatest weakness of not endorsing any of the UI's and/or not having a > > standard one to go by. At this point perhaps I should make a quote from the > > Half-Life game, "it's time to choose Mr. Freeman..." :-). > > > > MusE also has a framework for creating custom Qt UI:s for LADSPA > plugins. This means you can create a gui in Qt-designer, f.ex. name it > 1050.ui (1050 == Freeverb), and put it in MusE's shared plugin > directory, which is checked on startup. If there's no 1050.ui-file there > when you launch the Freeverb plugin, it goes for a standard gui, > otherwise the custom one is initialized. > > You simply give all input widgets in the gui, that manipulate a LADSPA > parameter, a name starting with "P", and set the id-property of the > widget to the parameter index of the plugin. The connection is done > automagically and there's no need to recompile the app. In fact, you > don't even need to write any code yourself to create a custom LADSPA > gui. > This is a great idea, where it should be easy to make a general library for other hosts (not necesarrily running Qt) making use of those UI's with the help of some ipc-tricks. The great question is: Does there exist many ladspa-ui files? In case there are, the motivation to make such a library is quite high. Mathias, I have CC this to the dev-list. If you answer, please only use the dev-list. --

19 years, 5 months

[linux-audio-dev] Horgan System Freeze

by mark＠kfm.co.za

Hi all Is any one else having a complete system freeze running Horgand? My setup p4 - 256 ram - slackware 10 - kernel 2.6.9. - gcc 3.4.2. There were no compile errors and the app starts up from within terminal session once it hits the screen my system is completely dead - no mouse movement, etc - have to reboot. Regards Regards Mark Mark McBride 0844146809 ____________________________________________________________________________ The information in this e-mail is confidential and is intended solely for the addressee. Access to this e-mail by anyone else is unauthorised. If you are not the intended recipient, any disclosure, copying, distribution or any action taken or omitted in reliance on this, is prohibited and may be unlawful. Whilst all reasonable steps are taken to ensure the accuracy and integrity of information and data, and to preserve the confidentiality thereof, no liability or responsibility whatsoever is accepted if information or data is corrupted or does not reach its intended destination. KFM Radio (Pty) Ltd. will not accept responsibility for unauthorised use, be it public or private, to express opinion, promote or demote individuals or groups.

19 years, 5 months

[linux-audio-dev] new song on-line

by Dave Phillips

Greetings: I've placed on-line a song I wrote and recorded with the help of Ardour, TiMidity, DOSemu & Seq+, a bunch of LADSPA plugins, a guitar, a harmonica, and my dulcet-toned vocal. It's here if you'd like to check it out: http://linux-sound.org/ardour-songs.html I'll be adding more pieces to the page Real Soon Now, but at least it's a beginning... :) Best, dp

19 years, 5 months

[linux-audio-dev] Marian UCON CX soundcard

by Marije Baalman

Hi, does anyone know whether there are ALSA drivers available for the Marian UCON CX soundcard? (for details on the card: see www.marian.de) the card is quite new, but looks very promising, especially considering its price. some Marian salesman told me in May at the AES convention that someone was working on creating linux drivers. But as I am getting closer to actually being able to buy the card, I would like to know whether it works already under linux or not. sincerely, Marije --

19 years, 5 months

[linux-audio-dev] Low-latency audio over IP

by asbjs＠stud.ntnu.no

I am working on what is called "distributed multimedia interaction", one purpose of which is to investigate possibilities for ensemble playing by remote parties, distributing the audio over IP networks. A crucial point is to achieve audio transmission with very low latency. If anyone could provide me with information on, or pointers to, open-source software for doing this, I would be grateful. (I have started to roll my own, but I can hardly defend duplicating work unnecessarily.) Other comments are of course also appreciated. With kind regards Asbjørn Sæbø -- Asbjørn Sæbø, post.doc. Centre for Quantifiable Quality of Service in Communication Systems Norwegian University of Science and Technology <URL: http://www.q2s.ntnu.no/ >

19 years, 5 months

[linux-audio-dev] Re: Low-latency audio over IP

by lazzaro

On Nov 12, 2004, at 9:05 AM, Asbjørn Sæbø wrote: > I am working on what is called "distributed multimedia interaction", > one > purpose of which is to investigate possibilities for ensemble playing > by remote parties, distributing the audio over IP networks. Listen to recordings, and see links off of the "Research Projects" section, of: http://ccrma.stanford.edu/~cc/ Also see: http://www.cim.mcgill.ca/~jer/research/rtnm/history.html Also see: http://www.cs.berkeley.edu/~lazzaro/nmp/index.html And if MIDI is a part of your system, I encourage you to look at RTP MIDI: http://www.cs.berkeley.edu/~lazzaro/sa/pubs/txt/current-rtp-midi.txt http://www.cs.berkeley.edu/~lazzaro/sa/pubs/txt/current-guide.txt and its implementation in sfront: http://www.cs.berkeley.edu/~lazzaro/sa/sfman/user/install/ index.html#download --- John Lazzaro http://www.cs.berkeley.edu/~lazzaro lazzaro [at] cs [dot] berkeley [dot] edu ---

19 years, 5 months

AW: [linux-audio-dev] Low-latency audio over IP

by lists＠nescivi.de

Hi, --- Ursprüngliche Nachricht --- > > I would be very interested in any open source development in this > > direction! > > May I ask what your interests are? Are you working at related things? > I am interested to use this for Wave Field Synthesis. In the case of larger systems for that, it is necessary to distribute the audio over a network, to process it at different computers to supply sets of speakers with the right signals. For this a low-latency network is necessary, and sample-synchronisity. See my website at: http://gigant.kgw.tu-berlin.de/~baalman/ for info on the project I am working on. sincerely, Marije

19 years, 5 months

[linux-audio-dev] [ANN] Ecasound 2.3.5 released, website addr. changed

by Kai Vehmanen

Hello all, here's version 2.3.5. Not too many changes, but still enough to warrant a new release. I also want to use this opportunity for the following: <*****IMPORTANT NOTICE*****> Ecasound website address has changed. The new address is http://www.eca.cx/ecasound This replaces the old (but still functional) website at http://www.wakkanet.fi/~kaiv/ecasound/. Note that also all the subpages have been modified. I've added some redirect pages, but the old site will only be available for a limited time. Please update any links that point to the old website. And also, my email address has changed (see from). </*****IMPORTANT NOTICE******> CVS is tagged with 'v2_3_5' as usual, and here are the full details: --- 1. Summary of changes Various Mac OS X specific build issues have been resolved. Minor changes have been made to the OSS soundcard support to avoid limitations of certain OSS drivers. Many minor updates have been made to user documentation and to build system scripts. --- 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 * With this version, Ecasound can now really be compiled for MacOS X. This has been tested on various 10.3.x systems. Also JACK support is reported to work under OS X. * Website address has changed: http://www.eca.cx/ecasound replaces the old http://www.wakkanet.fi/~kaiv/ecasound address. Please update any links that point to the old address. Full list of changes is available at <http://www.eca.cx/ecasound/history.php>. --- 4. Interface and configuration file changes None. --- 5. Contributors Patches - Accepted code, documentation and build system changes Berndtgen Manfred (1) -- ecasignalview build error Kai Vehmanen () -- various Bug Hunting - Reports that led to bugfixes (items closed) jcw (1) -- MacOS-X build errors. kito -at- gentoo-org (1) -- MacOS-X build errors. Stéphane Letz (1) -- Builds errors related to JACK and MacOS-X. Paul Marquardt (1) -- Mac OS X build errors. Raul Megelas (1) -- OSS-devices with no GETBLKSIZE support. --- 6. Links and files Web sites: http://www.eca.cx (fi) http://ecasound.seul.org (us) http://ecasound.sourceforge.net (us) Source packages: http://ecasound.seul.org/download http://ecasound.seul.org/download/ecasound-2.3.5.tar.gz md5sum: bbc0c4d12c1d21a7e71fc1bdb9fb0e2b Distributions with maintained Ecasound support: See http://www.eca.cx/download.php -- http://www.eca.cx Audio software for Linux!

19 years, 5 months

[linux-audio-dev] Fw: Call for audio submissions - Linux Open Source Sound CD

by Xavier Amatriain

Interesting > >Date: Wed, 10 Nov 2004 16:14:51 +0000 (GMT) > >From: JakeHarries(a)aol.com > >Subject: Call for audio submissions - Linux Open Source Sound CD > > > > > >Hi > >Linux users may be interested in this. > >best, > >Jake > >-------------------------------------------- > >CALL FOR AUDIO SUBMISSIONS > > > >Linux Open Source Sound CD (L.O.S.S.) > > > >[Planned release date - April 2005] > > > >Deadline for submissions: 07-Jan-05 > > > >Access Space, Sheffield's lowtech digital arts organisation, is currently calling for submissions for a CD of audio produced with open source software, and the Linux operating system. > > > >There is no specific theme for the curated works, as the concept behind the project is freedom of all elements of music manufacture, encapsulating style, production software and distribution > >techniques. We hope to receive submissions covering a broad and eclectic range of styles, to represent the dynamic nature of > >contemporary open source audio culture. Therefore, contributions are invited from musicians of all types, programmers, sound artists or artists who use sound. > > > >The LOSS CD is to be released under a Creative Commons 'Sampling Plus' license, so as well as being produced with free software, the CD will also extend the ethos of the open source movement into its method of distribution. For more information about this license, please visit http://creativecommons.org. > > > >Please do not submit tracks if you are not willing to release your work in this manner. > > > >The LOSS project will develop not only through the CD release, but also through a website, aimed at being an ongoing portal for > >producers of open source music to showcase their work. This will also offer the works for redistribution under the Creative Commons licensing mentioned above. This website will be online later in the year at http://www.access-space.org/loss. > > > > > >How to submit your proposal: > > > >[A maximum of 2 tracks per artist, each between 20 seconds and 8 minutes in length.] > > > >Send a DATA CD containing the following files: > > > >- Your audio track(s) in .wav format, 16bit, 44.1khz in either mono or stereo. > >- A text document stating your name, contact details (email and mailing address), track title, track length, the software and > >operating system used for producing the track, and a declaration that your track does not infringe any copyrights or use any > >unlicensed material. > >- An optional screenshot (in .jpg or .png format) of your software setup - which may be used for artwork purposes. > > > > > >For more information, or to mail your submission: > > > >Linux Open Source Sound CD > >Access Space > >1a Sidney Street > >Sheffield > >S1 4RG > >0114 2495522 > >www.access-space.org > >loss(a)access-space.org > > > >Access Space is UK registered charity no: 1103837 > > > >Funded by Arts Council England, Yorkshire and Digital South Yorkshire. > _______________________________________________ iua mailing list iua(a)iua.upf.es http://iua-mail.upf.es/mailman/listinfo/iua _______________________________________________ iua-mtg mailing list iua-mtg(a)iua.upf.es http://iua-mail.upf.es/mailman/listinfo/iua-mtg ------------------------ Xavier Amatriain Music Technology Group Universitat Pompeu Fabra www.iua.upf.es/~xamat -------------------------

19 years, 5 months

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Linux-audio-dev November 2004